View Full Version : RNZI on 15720
Alan Johnson
05-06-2006, 01:32
My results for today - overall good. Pleasant audio.
Brendan1
05-06-2006, 02:14
Here's my report for today's 15720 broadcast so far - still putting in 17-19 dB as of writing.
The new schedule looks to be pretty good here in Tucson. 7145 fades out in the morning though, and until this freq comes up, there is nothing heard.
Brendan
WA7HL
Brendan1
06-06-2006, 06:22
15720 not noted on-air until 0149Z 06-06-2006. Transmitter appeared to go off air a couple of times as well, and the frequency was running well after scheduled 0458Z switch to 9440. Even analog 13730 was running late too, not sure what is going on. Perhaps they are fine tuning frequencies and hours coverage?
Evening log attached.
Brendan
Tucson
The transmitter is still running at 06:34 UTC with a very weak signal into Munich. Signal on my dipole is so weak that there is not the slightest chance for audio.
Roland
Brendan1
07-06-2006, 16:41
Didn't find RNZI on 15720 until very late in the scheduled time slot, and heard RNZI AM signal for a couple of short periods instead of DRM. And THEN, I fell asleep at the keyboard, and didn't switch over to 9440 in time. Oh well. Chart does show a transmitter outage, so Rangitaiki may be having issues. Good copy of course.
Brendan
Tucson US
Brendan1
08-06-2006, 02:51
Somewhat late coming up on frequency, and then, POOF!, off air about 15 minutes ago. Analog 13730 is also off, so it could indicate site outage.
This log includes thunderstorms/lightning activity from approximately 2300Z until 0100Z.
Brendan
Tucson
Mitsuru Ito
09-06-2006, 00:08
Hi all,
The signal was stoped 2times for about 90mins.
Signal become to bit weak this morment 0:00hrs UTC.
It is less than S-7.
Brendan1
09-06-2006, 04:23
No thunderstorms today, but the solar weather is perhaps kicking-in instead. No outages today for this broadcast, but the speed took a suspicious change from 14.58 kBps to 16.48 kBps between approximately 0300Z and 0344Z. The audio was noticeably better at the higher speed, but either speed is still better than the analog parallel on 13730.
Brendan WA7HL
Tucson
Alan Johnson
09-06-2006, 04:54
My results for tonight - I think I can hear a difference between 14 kBps and 16 kBps but can't compare side-by-side. No music during my listening time tonight. The signal strength and SNR nose-dived after I stopped recording at 0450.
Mitsuru Ito
09-06-2006, 05:11
hi all,
This PNG is after 12hrs JST(03-04:58 UTC)in Japan
.The signal was stabilaized.
AM (with more power, I guess) worked but DRM didn't, I only got an SNR of around 8 dB.
Roland
Brendan1
04-07-2006, 02:07
Not great - in and out since I tuned in at 2300Z. Had to test some computer gear, so this log ended early. Coming in fine at this time.
Mitsuru Ito
04-07-2006, 07:16
Hi all,
This is PNG file of this afternoon.
Short Log from the morning before leaving for work.
Bernd, DF9RB
Mitsuru Ito
05-07-2006, 05:09
hi all,
this is PNG file of this afternoon.
Hello,
nothing on July 5th, only a trace of signal on July 6th.
Bernd , DF9RB
Mitsuru Ito
06-07-2006, 05:10
hi all,
this is PNG file of this afternoon.
Today's 15720 kHz reception report. The signal disappeared shortly after the scheduled start. I left the log running (unattended) and it shows that the signal came back up at about 03:00 and disappeared again at 04:37.
-Zyg-
Mitsuru Ito
07-07-2006, 07:16
hi all,
These are PNG files of this morning-
and afternoon.
Last night's and this morning's unattended report.
Looks like the propagation was poor.
Too weak for audio, the impulse response also looked as if there was a pre-echo.
Roland
Brendan1
10-07-2006, 04:07
Not bad overall tonight, but a little up and down from time to time.
Bad this morning.
Bernd, DF9RB
This is my best SNR ever. Thanks RNZI!
Signal increased - then I had to leave for work
Bernd, DF9RB
Brendan1
12-07-2006, 03:13
Signal has been weakening for last hour or so - propagation looks to be shifting early.
Mitsuru Ito
12-07-2006, 07:13
hi all,
This is PNG file of this afternoon-
with new DBM Mixer.
I was changing condition sometimes -
before 03:34 UTC.
SNR up to 35 dB with the HAM-Yagi, last 5 minutes with the EWE
Bernd, DF9RB
Brendan1
16-07-2006, 02:41
Some noise is creating havoc with 15720 today. My double track log tells the tale: red for Dream, and green for DRMSWR. Several transmitter outages too. All in all, a poor day.
73
2240z to 0457z. Ups and downs.
Mitsuru Ito
18-07-2006, 05:11
hi all,
I found signal at 04:30UTC.
I took LOG file about 30mins.
But bitrate was 10.08Kbps.
I think modulation was 16QAM.
Brendan1
18-07-2006, 06:24
I found RNZI a little later than Mitsuru... They had been on 9440 before that, but I only monitored that for about 15 minutes before they dropped it for 15720.
I wasn't listening live, but the speed does show as 10.08 kBps - I've never seen a datarate that slow for a DRM broadcast.
Mitsuru Ito
19-07-2006, 02:14
hi all,
Just I checked on 15720KHZ now.
The modulation returned to 64QAM from 16QAM.
the time is 02:14 UTC 19/07/2006
Brendan1
19-07-2006, 05:27
An interesting day. I have two logs, one short, the other fairly long. RNZI went from 10.08 kBps back up to 14.58 kBps, and 64 QAM as well. The first log was at the low rate and does reflect a thunderstorm moving in to the area as well.
The 2nd log confirms Mitsuru San's observation in his last message. It started at 10.08 kBps and shifts to 14.58 kBps at 0214Z. The audio at first was nearly as bad as yesterdays, with skipping segments degrading quality. But, between 0210 and 0250Z, the audio cleared up (no, it was still screwing up at 14.58/64 QAM, with good SNR: studio problem?), and is now back to previous levels and bandwidth.
A lot of changes in one broadcast!
Today's (unattended) 15720 kHz reception. With the solar flux at 71 the signal level is about as expected.
-Zyg-
Brendan1
20-07-2006, 01:39
Well, it didn't start out all that bad - but at 0136Z RNZI DRM is off air still. Analog voice on 13730 is now on, but it was off earlier, just after I noticed DRM had dropped off. I do understand that the fall and winter weather in NZ have been pretty bad, with lots of rainfall and blizzards on both islands, so this could be weather related difficulties.
73
Last night's 15720 kHz reception report. I noticed that the signal was a little higher in strength earlier than it had been in the last few days but it disappeared at 22:35.
-Zyg-
Here the morning log.
Bernd, DF9RB
Mitsuru Ito
21-07-2006, 05:14
hi all,
it was 14.58Kbps at 22:36UTC.
But When it was 04:56UTC bitrate was 17.46Kbps-
on display.
I tried to take log file but got only data of FDC e.t.c.
I am not sure when did thay chjange bitrate.
I am tring to get log file on 9440KHZ now.
I
Brendan1
21-07-2006, 07:23
I copied only a little of today's broadcast - it generally takes a couple of hours for the band to settle down at my QTH anyway. I don't what caused the big gap right in the middle - I wasn't actively listening or watching the computer. Perhaps it was a datarate change? And then, at 0321Z, I checked the screen and it was analog voice! I stopped the log then. Ten minutes later or so, back to DRM. Hmmmm...
73
Today's (this morning's) 15720 kHz reception report.
-Zyg-
Brendan1
22-07-2006, 05:04
Got quite some time in today except for the first half-hour or so. Average signal levels for this broadcast, and the big dropouts didn't help.
Today's reception report. Conditions obviously were not good!
Today's 15720 kHz reception report. Conditions still poor.
Brendan1
24-07-2006, 05:11
Here's tonight's log. Very typical, first couple of hours bad, the rest excellent to problematic. Some lightning though, although it wasn't very long or intense.
This frequency is a real odd one for me on the West Coast o the USA. It seems I have my highest SNR here (got my best 33.3 here), but truly inconsistent audio and overall signal. I also notice that it sometimes pays to switch from my 80M dipole to my R-7 vertical (this seems the case on any freqs over 11MHz.)
So here is what I got from 22-23 July.
The new bitrate for RNZI is WORLDS better. The Jazz right now (14:45 24Jul 6095kHz) is absolutely amazing!
Now if only AF4MP, WA7HL and I could convince the radio manufacturers to sell us DRM capable radios in the USA :D
Brendan1
25-07-2006, 05:28
Better conditions today - good audio started earlier than yesterday. No QRN today.
Today's unattended 15720 kHz reception report. Conditions appear better, but are still not good.
Brendan1
26-07-2006, 05:01
T-storms after about an hour, and at the end of today's broadcast. Maybe we'll get some rain...
73 for tonight!
Brendan1
27-07-2006, 03:59
Slightly shortened for tonight. Good start, and then bad things happened. I'm glad somebody else was getting the strange dropouts on RNZI - I was beginning to think I had a troublesome computer or local QRM. BUT, if others are getting it as well, then it isn't local. Whew!
73 for now.
Today's 15720 kHz reception report. The signal was up and down, almost looked as if the transmitter was being worked on.
Brendan1
28-07-2006, 05:54
Once again, life got in the way of the hobby. Another late start, but a timely finish. Looks like there was a transmitter (or exciter?) outage around 03:33Z or so. SNR maintained itself a little, but the frames really dropped...hmmmm... Or the sun god expressed his anger momentarily.
Brendan1
31-07-2006, 05:05
Reception was a little off (see log). Started off at 17.38 kBps, but shifted to 17.46 kBps sometime during the transmission (I wasn't watching...). Also was set to AAC+, and not the usual AAC. Text message is also reading "This is Radio New Zealand International" instead of the usual "This is a test transmission..." message. Not to mention the now usual dropouts!
73
It may be just me, but it seems that the audio quality has improved drastically!
I chose "audio spectrum" in the evaluation menu and noticed music showing response at over 11k! The music sounded better than I recalled which is why I went to the audio display. Looks like 17.46 kbps and EEP AAC+. Still in mono.
Any comments? The music is sounding great. I love the "Kiwi" popular stuff. Even the oldies and "classic rock" I've been hearing is a real joy.
Brendan1
31-07-2006, 09:16
I stupidly forgot to add a comment about the bandwidth! I found the same thing, more than 10 kHz of bandwidth, with a very noticeable increase in fidelity. If that is the difference between AAC and AAC+, I'll take it!
Brendan1
01-08-2006, 04:58
Not very stable reception - mostly due to lightning in the area. :(
73!
Today's 15720 kHz reception. Obviously not the optimum frequency at this time for the SE USA.
-Zyg-
Brendan1
03-08-2006, 05:00
No signal at scheduled start time, only found it at 0436Z when I checked it. Good SNR, but no audio! Actual patterns in the waterfall were visible, like the encoder was stuck. Very strange...
73
This morning's (unattended) 15720 kHz reception report.
The transmission started later than scheduled.
-Zyg-
Brendan1
04-08-2006, 05:03
Looks like the transmitter is back to normal. This frequency did start late, but late is better than never... Back to the low-fi 14.58 kBps speed with only about 5 kHz of bandwidth. Otherwise, normality has been restored. It also looks like there may have been some short transmitter outages as well.
73
This morning's (unattended) 15720 kHz reception. Continues to be very poor.
It may be just me, but it seems that the audio quality has improved drastically!
I chose "audio spectrum" in the evaluation menu and noticed music showing response at over 11k! The music sounded better than I recalled which is why I went to the audio display. Looks like 17.46 kbps and EEP AAC+. Still in mono.
Any comments? The music is sounding great. I love the "Kiwi" popular stuff. Even the oldies and "classic rock" I've been hearing is a real joy.
After a day of missing broadcasts, RNZI dropped the bitrate.
It appears they are back to the old bitrate now. At one point I noticed that were using AAC rather than AAC+. You can guess that the audio sounded even worse. 14.58 kbps isn't terrible, but no comparison to 17.46 AAC+.
RNZI, if you are reading this, switch back to 17.46kbps PLEASE! It is a DRASTIC improvement! Listening to music at 17.46kbps nearly rivals local FM!
Brendan1
05-08-2006, 05:09
Well, this broadcast started at 14.58, but changed at some early point to 17.46 AAC+. Things were decidedly better, although as usual the grayline transition here was less than great (that early, not-so-good data in my log). They didn't make it on time either at 2236Z, I didn't see them up until 2300Z.
73
I noted (as Brenden pointed out) that the bitrate is up again. Thanks RNZI :)
Now on to something completely different. Are any of the US DRMers also Satellite Radio fans? I recently acquired a Sirius portable for my car. I'm enjoying all the channels, but am quite dissapointed in the audio quality.
I turned on one of the News channels and my wife immediately said "does it always sound underwater?" She was right, it was quite bubbly. Much like (but worse) than Radio Kuwait on DRM. Now RNZI, CBC, RNW , HCJB & all the stuff tested for NAB sounds/sounded LOADS better.
I even noticed that the less-compressed music channels on Sirius aren't all that hot. I heard "Let's Dance by Chris Montez" and whatever form of Stereo they were using rendered it almost unlistenable. That song has "abused stereo" from the 60s (keyboard in one channel, voice in the other) and when the lyrics came in, the voice completely knocked out the keyboard. Yikes!
My point is this: audio quality (with all the "new" technology) seems to be a thing of the past. This current generation of kids will never know the warmth of full frequency. Hell, makes me want to get out an LP and listen to mids and highs again. Don't get me started on the quality of cell-phone audio :eek:
I certainly applaud improvements such as AAC+ and the like, and for shortwave anything better than 14kbps aac+ is a big improvement over analogue AM. I guess I expected more from Satellite radio. I'll likely listen to WRN and Old Time Radio shows rather than music on Sirius anyway.
Rant off. Any comments? I guess I oughta move this to another board.
Brendan1
06-08-2006, 05:04
I don't know what caused the less than good conditions today. Not very stable at all. Solar conditions don't seem to be the problem: SFI of 70, K index of 1 currently with no noted disturbances. 9440 is currently booming in at 20 db SNR.
Oh, and they started late too!
73 for now.
This morning's very poor reception report.
Brendan1
08-08-2006, 05:08
Up, down, and all around: that's todays' log. Not much different from my other logs... I did see audio bandwidth changes, from 5 kHZ up to 10 kHz and back and forth. I was actually watching the audio bandwidth display in Dream when at 0150Z it went from 5 up to 10, and it was immediately audible. Very interesting.
73
Brendan1
09-08-2006, 04:43
Some days it just doesn't pay: lightning for the last 5 hours really cut into the signal today. For that reason I cut it short tonight. Not much to be done about the bolts of plasma right overhead...
73
Brendan1
10-08-2006, 05:14
Lightning again. No rain (which we really need), just clouds and electrical interference. Die blitzen did diminish a little about halfway through the log.
RNZI started off today at 11.42 kBps, with an audio bandwidth of about 3.5 kHz, very lo-fi. My cell phone sounds better! By around 0100Z they were up to 17.38 (not 17.46!) kBps, and a bandwidth of at least 11.5 kHz. One thing I did notice at the start of my log was that the DRM exciter seemed to be frozen: FAC was dancing across the screen, but SDC and MDC were frozen and there was no decoding. Recurring patterns could be seen in the waterfall waveform, and then it went to normal not long afterwards (about 5 minutes). Strange... If you look closely, it looks like the "dips" are back - they are visible in the clearest section of the log.
73
I wasn't sure if it was my PC doing odd things or the source. Anyway, I have noted that you get a strong signal with only FAC, and then I rebooted and found it was still the same way.
I think their exciter has a few bugs. Perhaps they are loading updates or patches and that is why the recent improvement in audio quality. 3.5k audio bandwidth is quite sad for DRM, unless of course it is so robust that it continues to decode WAY down into the noise :-)
Brendan1
11-08-2006, 07:13
No lo-fi noted today: entire bcst was 11.5 kHz audio bandwidth. I don't see any dips on the frames line, they may just be lower in amplitude (see my 9440 log for 11 August). Also, it looks like the speed is still being adjusted: 17.28 today, not 17.38 or 17.46. Still sounds good though! :D
Brendan1
12-08-2006, 05:11
Some distant lightning today - that pretty much sums up the broadcast. Can't really tell if the dips are still there or not.
73
Brendan1
14-08-2006, 05:06
Worse than normal day, and lightning is not really to blame. Perhaps propagation condx? No visible dips today either. And, for some unknown reason, the bcst is still going at 0505Z on 15720. Asleep at the switch?
73
Brendan1
15-08-2006, 06:37
Long schedule today/tonight. They didn't switch over to 9440, but just kept on going and as of 0635Z still going on 15720. Lightning again, early, and closer than yesterday, which affected my log pretty badly.
Today's 15720 kHz reception report. Solar conditions were marginally better and so was the reception. When the audio was decoding it sounded very good.
-Zyg-
FritzWue
16-08-2006, 05:32
No audio here although the signal had a good waterfall plot.
Wide impulse and high doppler at 2.7 Hz.
Maybe I'm a little too far away from the target area.
Brendan1
16-08-2006, 15:29
No lightning yesterday, but overall condx were not very good either.
Brendan1
18-08-2006, 05:37
Not a bad afternoon/evening. No QRN today. Yesterday's lack of a broadcast had me check the RNZI website, and they will be doing a biweekly DRM transmitter maintenance period on Thursdays New Zealand time from here on out during the 15720 broadcast.
73
Brendan1
19-08-2006, 14:28
Big drops today. Solar conditions must have been in flux.
Brendan1
20-08-2006, 16:22
Less then great, a big fadeout at the end, and the transmitter had dropped out by 0445Z. It also looks like the "dips" were back, starting just before 0100Z and continuing for some time afterwards.
Brendan1
22-08-2006, 05:15
RNZI website indicated an off-air today for maintenance, and by golly, they were right. I looked at the site only when they didn't come up on time. It appears this was unscheduled as well. All told though, it was a better than usual day for RNZI. I have no idea what caused the big drop towards the end. Only some minor QRN very early before the log started.
Today's 15720 kHz (unattended) reception report. Very poor.
Not the best solar conditions and there were thunderstorms in the area.
Brendan1
23-08-2006, 06:07
Hmm, disappointing log tonight. No lightning or other QRN, just bad condx I guess.
Brendan1
24-08-2006, 22:02
A little later than usual posting this log. Nothing different to report, except for that amazing dropout at around 0315Z.
Brendan1
25-08-2006, 05:00
Worst log in days, if not weeks. No local QRN.
Today's 15720 kHz reception report (unattended). Conditions continue to be poor.
Brendan1
29-08-2006, 05:03
Well, once the grayline gets out of the way, things always get better. It also looks like the transmitter dips are back, big time. Note that RNZI has been at 17.28 kBps for several days now instead of 17.46.
Not too bad for me on this freq. A few big drops but overall, better than normal. 9440 is a better freq for me I think. I wish they would run that frequency longer. 6095 seems to be plagued with co-channel analogue that really wipes them out. When I wake up at about 0630 Pacific time, I have some in & out copy for about an hour until the QRM is too severe and decode dies.
Brendan1
30-08-2006, 19:49
I agree with Chris, as my experience just about exactly parallels his. Yesterday was not very good. This freq also faded much earlier than usual.
Brendan1
01-09-2006, 05:16
Into a new month already. A really good log today. The large drop just before 0126Z is odd, as my twilight has not yet begun - that's around 0150Z currently, and that matches the big return to a good SNR. The layers must be dropping/changing fast right about then.
03 September – 29 October 2006
Times in UTC
1851 – 0658
15720
DRM
All Pacific
Brendan1
02-09-2006, 04:16
Thanks for the schedule update Chris! Here's this evening's log. Needed to reboot the machine, so that is why the log is a little short.
Brendan1
03-09-2006, 05:13
Still going after 0500Z, but I'm not staying up until local midnight. Some QRN/lightning earlier today, but l suspect the bad reception is due more to the low solar flux of 76 and a K value of 2 here in NA. Fadeouts were pretty serious as the log shows.
Here is the West Coast report on this freq for the new schedule.
Brendan1
03-09-2006, 23:57
Well, here is the first five hours of the new RNZI sked for 15720 from my QTH. Much what I expected, but interesting for the data gathered nevertheless. I am currently recording the last hours of the sked.
Brendan1
04-09-2006, 05:07
The next five hours of 15720. Sorry to say I'm skipping the last two, but hey, 10 out of 12 hours logged is probably enough. Maybe next weekend I'll go for all 12.
:D
Brendan, you have better results from the left coast!
Here is this morning's (unattended) reception report from the SE USA...
Brendan1
05-09-2006, 03:04
The first 8 hours of 12 tonight. Interesting overall sinusoidal pattern to the SNR over this long a period. It is the daylight hours that have the highest variability in SNR and propagation (1855 to 0145Z), the evening hours are the best.
This morning's 15720 kHz reception. Not good.
Brendan1
06-09-2006, 02:11
This log covers from 1200 to 1900 local time. Sunset was at 1842 local (0142Z) and as usual the SNR began to recover following that sunset. This is one of the poorest logs I've had in a good while. No local QRN either. Solar flux is 80, and the K index is 2 currently. Just one of those days I guess.
At 0445Z, there is only the slightest trace of a waveform visible on Dream's waterfall. No data is being decoded as the signal strength is so low. This is very bad compared to other nights at this time when it has been as high as 18dB right up until the "old" schedule end at 0458Z.
Brendan1
06-09-2006, 23:00
Odd pattern today, somewhat reversed from previous days. I am having lightning in the area currently, that may explain the problems at the end of the log. RNZI also shut down at 2248Z for their transmitter maintenance period.
FritzWue
08-09-2006, 08:17
Probably too late, signal slowly fading out, good audio quality:
Brendan1
08-09-2006, 15:10
Tried to put this up last night, but the server wasn't responding. While not a complete log interesting nevertheless. Condx were pretty good.
At 0448Z however, the xmtr apparently went down (and I stopped logging). By 0515Z, a very weak waveform was visible, like they were on low power. In stages they came back up in power but never at the level before the outage.
SNR was down about 8 dB. They're still off: this morning on 6095 there's nothing.
Brendan1
09-09-2006, 05:11
Two parts to the log: had to reboot. Currently the waveform is too low in SNR to decode anything at this time. Almost looks like they're operating at low power again. The first log is about as crazy as any I've seen: very little stability in the frames decoded until dark has fallen when it steadies up.
Brendan1
10-09-2006, 05:13
Well, here's a long log at last. Not quite the entire transmission, but close. RNZI has faded away completely here, with no decoding possible for the last two hours.
FritzWue
10-09-2006, 19:59
Again a little bit of audio:
FritzWue
11-09-2006, 10:25
...and this was the result with typical wide impulse shape at the following morning:
Brendan1
12-09-2006, 03:09
Well, here's most of todays bcst. I've marked a period of when it appeared the DRM modem was locked up and nothing was transmitted. The little dancing dots on the constellation were not dancing at all. They've since recovered.
Brendan1
12-09-2006, 23:42
First it was Microsquishy and a security update: only the first hour or so before I had to reboot. Now, it's lightning that promises to be around all night. Not a good day. Nor is RNZI doing too well at this point. Very low SNR at this time.
Brendan1
14-09-2006, 19:16
Here's a long one. RNZI apparently went off-air well before scheduled change. Looking at the log, it appears the transmitter started faulting before they completely dropped.
Brendan1
16-09-2006, 04:21
I was logging CBC this afternoon, and didn't start this one until after that one was over. Not a great session, fairly low signal strength until sunset. A lot of disruption until fadeout just a few minutes ago. Propagation is down from yesterday.
Brendan1
19-09-2006, 01:39
Only a few afternoon (for me) hours logged. Quite typical.
Brendan1
19-09-2006, 05:48
Well, here's the hours of grayline transition and fadeout at my QTH. With the seasonal changes occurring, the frequency is definitely shutting down earlier here in the desert. There is actually less decodable time currently than even just a couple of weeks ago. :(
Brendan1
20-09-2006, 04:01
Had to split things in two (again), so here's what I got today. All told, not very good. Already faded out too, earlier than a couple of nights ago.
Brendan1
21-09-2006, 01:44
Well, RNZI went off air before 0100Z, and they are still off. Here is the afternoon log. Very much up/down all afternoon. Propagation conditions sure are sporadic right now.
Brendan1
22-09-2006, 05:50
Fadeout came very early tonight, only 90 minutes after local sunset. Pretty bad copy too, with no nice long segments as usual. I know that propagation indicators are quite low right now, earlier today it was SFI of 71, and K index of 1. Not good at all.
But only a little....
Bernd, DF9RB
Brendan1
24-09-2006, 04:51
Partial log tonight. Not very good either. They may even have gone off air, because this would be a very early closing of the frequency.
Alan Johnson
26-09-2006, 02:38
Pretty good until Winradio crashed (happens rarely on my system), but it looks like the signal was beginning to deteriorate anyway.
Brendan1
28-09-2006, 02:54
No use trying to get the rest of the broadcast from here: completely gone now, no waveform visible at all on Dream. The frequency is definitely shutting down much earlier now. This log covers the transition from full sun until after sunset (now 0113Z).
Brendan1
29-09-2006, 05:11
Didn't get the whole broadcast today, but this is still longer than yesterday. The downward trend continues.
Brendan1
30-09-2006, 04:03
All of the broadcast that is possible at my QTH. Already faded out. Being 11,000 km away shows with the variable signal levels, and only the shortest decodable periods possible now. :(
Much stronger signal than on 7145 kHz today in Seoul, Korea.
Simone
A weaker signal and many dropouts this morning.
Simone
(currently in Seoul/ Korea)
Brendan1
03-10-2006, 07:27
Here is a log for the entire broadcast. As can be seen, plenty of un-decodable time. Propagation was actually better: the signal was there for the entire time, instead of fading out after about 0100Z. Just not steady enough.
Not a strong signal this morning, but mostly OK for listening.
Simone
(currently in Seoul/Korea)
Brendan1
04-10-2006, 23:50
RNZI went off air around 2308Z. Looked to have been having DRM encoder problems, as the SDC and MSC were locked up before going off air. Off air still.
Not very good reception today.
No signal this morning and still no signal when I tried a few minutes ago :(
Simone
(currently in Seoul/ Korea)
Great results this afternoon
Simone
(currently in Seoul, Korea)
Adrian of RNZI says they are operating "one bitrate 24 hrs a day" but I am seeing different listings. Maybe it is DReaM?
:confused:
Brendan1
06-10-2006, 23:59
I can confirm the 17.30 kBps rate here, using both Dream and DRMSWR. Started observing at 2353Z, 6 Oct 06. I've noticed the datarate for the last several transmissions has slipped down to 17.38 kBps from 17.46, but 17.30 is new.
I'm getting a little less than 5 kHz of audio bandwidth when the SNR comes up high enough for decode.
Hi fibber, Brendan,
the new 17.30 kbps is the same with DRM SWR and Dream, because the new configuration does not contain text messages anymore, see attachment, so settings at the CS have definitely been changed.
As usual only a weak signal here in the morning.
Simone
(currently in Seoul/ Korea)
Brendan1
07-10-2006, 03:41
Started this log at 0000Z, one hour before local sunset. Things are getting progressively worse for RNZI at my QTH. Currently, as of 0337Z, RNZI is in analog mode for some reason.
Some dropouts in the first half of my log this afternoon but not too bad for listening, audio bandwidth (about 11kHz) and audio quality were OK for this bitrate, RNZI still using the configuration without text messages.
Simone
(currently in Seoul/ Korea)
I just emailed this post URL to Adrian so he doesn't think I'M crazy!
Brendan1
07-10-2006, 20:29
It could be a mass hallucination, and we listeners are out of our minds. Seriously, three widely separated loggers reporting the same speed indicates technical issues somewhere in the datastream. Currently logging CBC, will check in with RNZI at 2345Z later today.
Brendan1
08-10-2006, 04:31
Well here's a fine kettle of fish: I watched RNZI change speeds three times during this log. It started at 17.30 (no text), went up to 17.40 (still no text), and ended at 17.46 (with text). Also saw (on the waveform) some changes occur during the broadcast with the SNR dropping out completely (first observed at 0350Z) and then coming back up immediately, this happened at least two times that I saw. Looking at the SNR trace, it would appear that this change happened several times prior to 0350Z. There was no interruption to the waveform/carrier: only the very thin dividing line mid-waveform changed, going from thin to fat and then back. Strange... Perhaps the staff was "adjusting" the encoder? Propagation was better tonight: disrupted during the ionospheric layer change, better after dark, with a very steep dropoff.
Hi.
Her is my best DX in DRM, log of last 30min. and CDA of 89% . RNZL come in very good this morning . S5 from start up to S8 .
:) :)
Alan Johnson
09-10-2006, 00:12
very rocky today.
Brendan1
09-10-2006, 02:02
Not good at all: lightning rolling into the local area, no use in further logging. Signal strength is quite low, with very bad results. One of my worst logs for this frequency. Rocky doesn't quite describe it, Alan.
Hi,
After Sixten's successful logging in Sweden the other day, the conditions went down the drain. A trace of signal appeared just before sign-off in Switzerland. :(
Terje
Hi.
Propagation was bad this morning. No sound.
Brendan1
10-10-2006, 03:59
Nothing unusual today: same old up and down SNR. I can hardly wait for the upcoming NZ summer schedule changes. I do find it odd that the highest SNR period coincides with the grayline here.
Hi.
Propagation today was up and down . Only CDA is 57%.ok.
HI.
Propagation not so good today .
Hi,
Just for your information, no trace of signal here yesterday and today... :(
Terje
Brendan1
12-10-2006, 03:42
Well, here's the last 149 minutes of RNZI. Basically this log covers from sunset until just a few minutes ago. Par for the course these days.
Hi.
Very bad from start for I have wrong antenna 10Mhz verticl to reciver. But so switch over to 14 Mhz dipole give better signal, hi.
Hi.
Very bad propagation today ,no sound .Only max S5 in QSB.
Brendan1
15-10-2006, 03:11
Today's log is an improvement over the last few weeks. Good steady signal, then a quick fadeout as the band closes. I started logging just after local sunset here.
Hi all.
Very bad propagation today ,only CDA of 17%ok
Hi all.
Bad propagation today ,only CDA of 41%ok.
Brendan1
21-10-2006, 21:40
Not very good prop into NA today. Log just shows decreasing SNR all the way... I may try again later.
Brendan1
22-10-2006, 03:06
Well, here's the second part of my RNZI logging for today. Fairly good right after local sunset, but a fast decline afterwards.
Hi.
Log this morning, propagation not so good. Only CDA 50%of 33min.
Hi.
Good propagation this morning. CDA 74%ok from 58min. Signal come up 0610UTC.
:)
Hi all.
Good propagation this morning. CDA 87%ok from 40min. Signal come up 0615UTC
:)
Hi all.
Super propagation this morning. I tune up my reciver 0545 UTC and RNZI play like my locka FM station. CDA 99%ok from 68min.
:) :)
Hi all.
Propagation good this morning, but QSB so only CDA 93% ok log is 60min.
HI.
Good propagation this morning. CDA 75%ok from 44min. Signal come up 0625UTC. Close down 0700UTC
:)
Hi all.
Good propagation this morning. Signal come up 0605UTC. Short brake in transmission 0615UTC.
:)
A little audio decoded this morning. Getting better shortly before the end.
Bernd, DF9RB
Hi all.
Good propagation this morning. Signal come up 0625UTC. SNR21db to close down.
:)
Unattended Log. Not too good a frequency compared with the 17675khz in the morning which is much better in south east asia.
Compared to 17675kHz in the other day, signal is quite weak. Gradually gaining strength in the course of logging .BTW:I enter the wrong frequency, should be 15720kHz.
Hi all.
Super propagation this morning to close down.
:)
Hi all.
Perfect propagation this morning also to close down.
:)
Hi All
I was quite suprised to find RNZI on 15720 kHz booming in here today. Normally I think the signal goes straight over me.
Cheers, Chris
Fabulous signal here in Northeast USA tonight.... solid 20dB SNR and almost perfect audio as time went toward 0200. I'm listening to RNW right now on 31m, but am going to leave the receiver on 15720 from 0300 to shutdown and post the plot.
It's really nice to hear RNZI so clearly--- for a long time close to 15 years ago I used to catch the early morning 31m grayline opening, but between me being sleepy and conditions, it sometimes wasn't so good!
Fabulous signal here in Northeast USA tonight.... solid 20dB SNR and almost perfect audio as time went toward 0200.
Oh well, no RNZI by 0300 but here's the 0100 to 0200 block.
Alan Johnson
14-04-2007, 02:29
Summertime must be on the way! Good results for the few minutes I listened before RNW at 0200 UTC.
Alan Johnson
16-04-2007, 03:09
Only a few snippets of decoded audio with SNR peaks to around 12 dB. Shamefully, I tuned down to 13730 kHz to listen in analog.
Alan Johnson
17-04-2007, 04:04
What a difference a day makes!
Alan Johnson
18-04-2007, 03:00
It would appear that the transmitter intermittently drops out.
15720 has very good daily propogation into New England. Fades out around 0300 UTC.
I like the 14.5Kb/s seems very robust and rarely drops out.
While monitoring RNZI on 15720 the DRM signal disappeared, I double checked the schedule. I then noticed they dropped to analog on 15720. Now as I type the analog signal has disappeared and the DRM is back. I guess they are having technical problems.
Very nice reception tonight from RNZ to the Pacific Northwest tonight. Average of 30.4 dB SNR over a one hour span.
73,
Mark
Some audio in Europe this morning.
Bernd, DF9RB
FritzWue
23-07-2007, 05:04
Just a little bit of RNZI at the end. This transmission is missing in my DREAM schedule.
FritzWue
24-07-2007, 05:03
Again the last few minutes.
FritzWue
25-07-2007, 05:22
Just not enough for a little bit of audio.
Alan Johnson
26-07-2007, 04:37
I have the advantage of being closer to the beam. A SNR of almost 32 dB!
FritzWue
26-07-2007, 05:29
Not bad here either today! :D
FritzWue
31-07-2007, 05:08
Audio until close down. :)
Alan Johnson
16-08-2007, 04:07
Solid copy tonight. Still don't know why I can't graph the frame rate when I use the Winradio.
FritzWue
21-08-2007, 06:15
A short ping of audio just before the end.
FritzWue
23-08-2007, 06:28
A little less today, so no audio ping.
Alan Johnson
16-09-2007, 04:12
Good until 0400 - then (I assume) propagation dropped out. Will check 31 mtr at 0500. Took a break at 0200 for RNW.
Alan Johnson
20-10-2007, 02:50
Strong start, but it didn't last long. I'll try to check the 31 mtr frequency later.
Hi all.
Signal from RNZI come up her 0633 UTC so from this time to stop CDA 74% ok
:)
Hi all.
Good signal this morning log 48min . CDA 75%ok.
Signal come up her 0620 UTC .
:)
Good signal this morning from 0620 UTC.
:)
FritzWue
05-11-2007, 07:06
.....here also good! :)
FritzWue
08-11-2007, 07:07
Good during the last 30 minutes
Good until the end of the transmission.
Bernd, DF9RB
FritzWue
15-11-2007, 07:35
That's what I call good reception! :)
FritzWue
19-11-2007, 09:25
What a difference :eek: not good today
Alan Johnson
01-04-2008, 03:14
I tried this just for fun - hopefully this will get better as summer approaches.
Alan Johnson
21-04-2008, 04:13
Not too bad.
Mitsuru Ito
25-04-2008, 22:26
Hi all
RNZI chnged frequency from 13840KHz.
The signal is atrong too in Japan.
I guess baeming 325degs this morment(22 hrs UTC)
DE JA2QDX M.Ito
Mitsuru Ito
29-04-2008, 00:24
Hi all
The sinal kept good stability.
DE JA2QDX M.Ito
Some signal seen here, but around 21:45 UTC the spook was over. I cut the log short, as after 21:50 UTC there was nothing at all to see in the log file.
Alan Johnson
12-05-2008, 14:04
Very good for the hour I had.
Alan Johnson
19-05-2008, 03:35
Not perfect, but not bad.
Alan Johnson
25-05-2008, 04:57
Very good for the hour that I tuned in.
Alan Johnson
25-05-2008, 04:57
Very good for the hour that I tuned in.
Brendan1
04-06-2008, 15:49
This was supposed to be 13840 according to RNZI's webpage schedule, but I haven't logged a thing there since the supposed change. On the off chance they might simply be continuing here, I logged this last night. Score!
Brendan1
05-06-2008, 15:40
I would have had a longer log, but RNZI had an announcement on their webpage that they would be doing transmitter maintenance today (NZT), so this was all there was to be logged. Still no 13840, although the website says that's what is supposed to be on during this time period.
Brendan1
06-06-2008, 15:39
Nice log last night, they were up for the entire period of 0100 to 0300 UTC.
Alan Johnson
07-06-2008, 04:19
Good signal tonight - too bad about the Perseus/VAC dropouts. Schedule still shows they should be on 13730 kHz from 0159 to 0258 UTC.
Brendan1
07-06-2008, 15:15
Yeah, the schedule remains a mystery. I wonder if the intended relaying broadcasters gave some feedback as to staying on 15720 for the duration?
Not as good as previous evenings unfortunately. :(
Alan Johnson
08-06-2008, 05:01
A bit rocky tonight, but not surprising, given an A index of 10 and a K index of 3.
Brendan1
08-06-2008, 20:41
"Rocky" was the operative word up here too. :(
Alan Johnson
09-06-2008, 02:59
Less rocky tonight, pretty good in fact.
Brendan1
09-06-2008, 15:24
Not too shabby here either, although the band appears to have faded out early.
Alan Johnson
10-06-2008, 04:24
Good tonight, looks like the band was starting to go just before the end of the transmission.
Brendan1
10-06-2008, 17:32
A slow takeoff here, but an excellent finish. :)
Brendan1
12-06-2008, 15:31
Propagation was definitely off last night. :(
Brendan1
13-06-2008, 17:23
Not very good conditions, almost nothing at all.
Brendan1
14-06-2008, 15:53
What happened? :confused:
Alan Johnson
15-06-2008, 04:32
Very good tonight, too bad about the Perseus/VAC dropouts.
Alan Johnson
16-06-2008, 03:01
Very good tonight - I restarted Perseus prior to logging to minimize dropouts.
Hello,
RNZI is back again into Europe. Signal was between S8 - S9.
Now they transmitt on 9870 kHz. Signal is S7 here on a clear channel but SNR only about 11 dB with no audio.
Bernd, DF9RB
Mitsuru Ito
22-04-2009, 07:24
hi all
I have not gotten log for this frecuency long time.
I took tis 20:50 to04:57 for 8hrs.
DE JA2QDX M.Ito
Alan Johnson
26-04-2009, 22:59
I came across this today. The receiver had been tuned to RNZI for evening listening in AM mode. This is something to listen to during the 2200 to 2300 gap in RCI's transmission. The band started to fade about 2245.
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