RNZI on 13730 kHz

[Mitsuru Ito]

hi all,
I heard just now that RNZI was testing on 13730KHz
yesterday and today.(26/05 and 27/05)
The time was not sure around 04hrs to 07hrs UTC.
Got few audio in Tokyo.

[Mitsuru Ito]

hi all,
I am getting good signal on 13730KHZ in Japan.
I took log file 10mins.but the signal is coming very good now.

[dk8cb]

I only get an occasional chunk of audio, signal strength was better before but then there was also VoA in French (with african accent), presumably transmitting to Africa until 21:30 UTC on 13725 kHz.

See screenshot for what I get at the moment.

Roland

[Digger]

Why not start a 13.730 MHz new thread?! In kHz of course

[dk8cb]

Why not start a 13.730 MHz new thread?! In kHz of course
Done. Posts moved.

Roland

[Mitsuru Ito]

Hi all,
thanks for changing thread OM.
I took 60mins log file.
The signal was masked at around 22hrs UTC.
Because one southeast asian station came on 13725KHz.

[dk8cb]

Now, with the signal getting weaker and VoA again on 13725 since 22:00 UTC, there's no more chance for audio.

Roland

[Mitsuru Ito]

Hi all,
I feel very strong QRM on 13725KHZ in Japan.
It is 20dB over S-9.
The signal of RNZI is masked by this signal completely.
I hard name of this station just now.
This is Voice of America I am not sure about the language.
I guess Indonesian language.

[dk8cb]

The signal of RNZI is masked by this signal completely.
I hard name of this station just now.
This is Voice of America I am not sure about the language.
I guess Indonesian language.

Indonesian sounds different. It sounded more like one of the languages spoken in one of the countries south of China (eg Burma, Thailand, Laos, Cambodia or Vietnam), but it is beyond my knowledge which one it is exactly.

Roland

[Owdjim]

The ILG database lists VOA from Tinian in Cambodian from 2200-2230, Vietnamese 2230-2330 & Special English 2330-2400. 250kW beamed 279 degrees.

RNZI is only around 6-7 dB snr here at the moment.

Cheers, Chris

[Owdjim]

Since 0027 the SNR has been varying between 5 & 25dB! I wonder what they are doing?!

Cheers, Chris

[Mitsuru Ito]

Hi all,
The lunguge of 22:00 to 22:30 of VOA was Khmer.
<-chris
How far from transmitting site??
Is it 100km to 500km??
I guess wave skip at your location.

[Owdjim]

Hi all,
How far from transmitting site??
Is it 100km to 500km??
I guess wave skip at your location.

Yes, I think you are right.

I am 295 km south of the transmitter.

Here's another log file, from the DRT-1 instead of the FRG-100.

Cheers, Chris

[Mitsuru Ito]

hi all,
RNZI is testing yet.
But thay stoped DRM mode at 04:22,
Then they are testing AM mode this morment on-
same frequency 13730KHz.
Maybe thay are testing today like as yesterday.

[Digger]

Hi all,

Just by chance I checked the e-mail late in the evening and saw Mitsuru-san's entry. I had to stay on my Long Wire, and I let Dream record on its own. There was AM on the side, which made reception impossible. Anyway, yet another record distance.

A few words regarding the log: Dream had switched itself off or had crashed 560 minutes (> 9 hours 20 minutes or so) into the logging. :mad: . No idea what happened.

There wasn't a single trace of DRM in my log after the 251th minute, or after 0141 UTC. I therefore cut the log short. The reception at the start point was not good enough to produce a station label. All I got was "English", "Varied" and "ID:36".

Thrilling anyway!

Terje

[Mitsuru Ito]

hi all,
RNZI test again after AM mode testing

[Owdjim]

Hi All

Noted RNZI on 13730 kHz briefly again today.

Cheers, Chris

[Owdjim]

Hi All

Here's the latest news from Adrian @ RNZI

Cheers, Chris

DRM test transmissions from RNZI are now on these frequencies:

1850-0700 UTC 13730 kHz [0650-1900 NZT]
0700-1850 UTC 6095 kHz [1900-0750 NZT]

All going well we will publish a DRM schedule later this week to take
effect from Sunday 4 June.

Feedback on reception quality good or bad will be most helpful !!



Adrian Sainsbury
Technical Manager
Radio New Zealand International
P O Box 123
Wellington

Tel: +64 4 474 1430
Fax: +64 4 474 1433
Mobile: +64 (0) 274 504 578
Web: www.rnzi.com (http://www.rnzi.com/)

[Digger]

Hi,

Fragments of DRM on this QRG during the night. The Long Wire picked up lots of RF causing IMD in the receiver. Therefore I tried the 17 MHz Ferrite Rod Antenna instead, aware of that it is actually not meant to operate on 13 MHz. Tonight I'll try the Long Wire with a simple Antenna Tuner instead.



Terje

[Owdjim]

Hi All

Here's my log of 13730 kHz today from 295 km away from the transmitter. All ground-wave propagation I guess...

Cheers, Chris

[Mitsuru Ito]

Hi all,
Log file of today.
My computer was freazed by some reason.
So I restarted my computer again,
there are 2 png files.

[Mitsuru Ito]

hi all,
This is png file of opening propagation in this morning.
I can listun echo of kiwi bird of I.S.
Guss big dinamic range of audio.

[dk8cb]

MER is too low for any audio here.

Roland

[Digger]

Hi,

Just a short report. RNZI sighted.... On the Long Wire.... Oh, now at 2200 UTC QRM from -5 kHz.... :mad: No sound here either...

Terje

PS: I changed the short log to the overnight log. I cut the bit from 0400 - 0532 UTC, as Moosbrunn seem to start up at 0400 UTC and it was coming in strong at 0530 UTC this morning. The break in the night I cannot explain.

[Mitsuru Ito]

hi all,
my computer was not freazed.
I put clooling fan on the computer.
anyway the signal was not so strong at begiinning.
I checked 6095KHZ just now.
the signal was not coming this morment.

[Owdjim]

Hi All

Here's my log of 13730 kHz for today. I left my receiver logging while I was at work. Signal peaked up nicely in the early evening. The audio is not very good though.

Cheers, Chris

[dk8cb]

I also gave it another try a little later last night.
No audio and a low SNR. The TX seems to have left the air at 23:58 UTC, see screenshot.

The screenshot wrongly states that the loop was used, in fact I used the dipole.

Roland

[df9rb]

Hi all,

just for fun I switched to this frequency - what a surprise!
In the beginning I tried several antennas but the only one with audio is my HAM-yagi. Signal around 1 mV RMS
That is real DRM.... aceptable audio quality - much better than it would be possible in AM over this distance!!!!!!!
Now I started Dream on my Laptop for a overnight (or should I say: dayligth) log which will follow tomorrow.

Bernd, DF9RB

[Mitsuru Ito]

hi all,
The signal came same as yesterday.
begining was very very weak.
It was only sync.
But signal became to strong S-9 and-
SNR is more than 25dB thismorment.

[dk8cb]

Seems, I'm always a bit too late for this, it looks as if SNR might have been higher prior to my logging period.

Roland

[FritzWue]

I was a little late, changed from CVC Santiago Chile, see left snr/cda diagram.
Some very short bits of audio, will try earlier tomorrow.
(Had to change my sig....) :rolleyes:

[Digger]

Hi,

I did the same, switched from Voz to 13 MHz. The best result is with the 17 MHz BBF antenna (ferrite), but it has to be adjusted for this QRG. However, here is an intermediate report...

I will append it tomorrow (if the HP8640 behaves :p )

Terje


PS: The log until 0400 UTC when Moosbrunn goes on air. Caught some fragments of a woman's voice, but not possible to understand what was said. Used the internal Local Oscilator instead of the HP8640 (in case it would unlock during the night - hi).

[Alan Johnson]

My results for this evening.

[df9rb]

Approx. 2 hours audio in Germany during the night. (Coordinates at my laptop were set wrong (still Tokyo coordinates set), real distance 18300 km)

Bernd, DF9RB

[Mitsuru Ito]

hi all,
the signal came good ,same as yesterday.

[Alan Johnson]

No detectable signal tonight ( June 1) from 0200 to 0245 UTC. Poor propagation or is the transmitter off?

[Mitsuru Ito]

hi Alan,
RNZI is off air today.
Maybe they will start 05:00UTC.
2hrs later.

[Mitsuru Ito]

hi all,
this is PNG file of before VOA started broardcat
on 13725KHZ.
VOA is very strong this morment.(10dB orver S9)

[Alan Johnson]

Checked for the DRM transmission on 13730 at 0210 UTC 2 June and was surprised to find RNZI in AM mode on this frequency - very weak AM signal on 15720 khz.

The signal stopped at 0214 and 15720 was at good strength at 0218. Nothing on 13730 up to 0305.

About 0309 15720 dropped out and 13730 was back in AM mode.

[df9rb]

Acceptable!

[Mitsuru Ito]

Hi all,
The signal came for AM mode,after AM mode changed DRM.
There are no stopping audios.

[Digger]

Hi,

Still need to look into my equipment. However, QRM from adjacent channels at times, so even with 14 dB SNR there is no sound. I cut the rest of the overnight log, as it was empty after 2330 UTC.


Terje

[df9rb]

Hi all,

jingel came in at 18:59 but then an AM-station started and no more sync.
The AM-station stopped at 19:59 with good SNR from RNZI then.
at 20:34 I switched to the 30 m long wire, at 20:44 to the ALA1530, at 20:53 to the EWE-antenna and then back to the yagi.

Bernd, DF9RB

[dk8cb]

Unfortunately. the old Siemens E403 has developed a fault and being currently in the progress of repairing it, I had to use the Sangean ATS-803A. But surprise, my dipole gave me a signal from which some audio could be obtained. I was as excited as the sports reporter in the studio at Radio New Zealand who reported about the big yachting event which is currently going on.

Roland

[df9rb]

Log from 21:10 to 22:00 UT. A few minutes before 22:00 5 kHz down a station started in AM which "killed" the RNZI-signal

Bernd, DF9RB

[Mitsuru Ito]

Hi all,
I did not get signal of RNZI 19:30.
But i found the signal of RNZI few mins-
before 20Hrs UTC.
So I took log when RNZI started I.S.

[Sixten]

Hi all.

Her is log for RNZI but signal start on S8 ,drop down after 27 min.

[df9rb]

Hi all,

again quite stable for at least 1 hour to Europe. On 15720 you can listen to the same programm in AM (apporx. 5 seconds ahead). The difference in quality is amazing - no audible fading, no distortion, better audio spectrum - all if DRM is the mode but with with one severe disadvantage - You can follow the AM-transmission with a wire antenna but not the transmission in DRM (tested at 21:23 UTC). After 21:45 only the AM transmission satisfied.

Bernd, DF9RB

[dk8cb]

Despite the not so high bitrate, audio sounded quite nice when it could be decoded.
With the better E403 receiver in pieces on the table, I had to use the ATS-803A.

Roland

[Digger]

Hi,

Got some sound, but very intermittent. Cut the log short, as there was only the occasional 1 dB SNR with long intervals during the night.

Terje

[df9rb]

Hi,

I just recorded a report of RNZI about RNZI DRM test transmission to the Pacific. If someone has the possiblity to publish this recording on the internet I can make this file available (2.6 Mb in wma-format, 31 Mb in wav). A part of the report is a comparison between AM and DRM. In my opinion this comparison in not very favorable for DRM!!!!


Bernd, DF9RB

[df9rb]

Hi,

here todays report. I would say as usual.....

Bernd, DF9RB

[dk8cb]

Hi,

I also listened to the report and Adrian Sainsbury talking about the new "digital" transmitter. Working deep inside my better receiver with voltmeter and soldering iron at the same time, I had to use the ATS-803A which suffers from intermodulation if desired signals are too weak. Also with my antenna being just a dipole, I did not get as much as Bernd. Still enough to follow the news and the report about the new transmitter which I recorded as well.

Roland

[Mitsuru Ito]

hi all,
todat the signal was strong about S-9.
But SNR was bit lower than ordinary days.

[df9rb]

Acceptable audio decoding after RCI switched of at 19:59. The parallel AM-transmission on 15720 was only hardly to understand.

Bernd, DF9RB

[Digger]

Hi,

Hm, need to do some more homework... :confused:

Terje

[df9rb]

Condx recovered... Signal better than yesterday. I attached a screenshot of the impuls response. The impulse looks like an envelope of many pulses with very short delays. I presume a multihop propagation between different layers into Europe.

Some audio interruptions despite good SNR - from transmitter???

Bernd, DF9RB

[Digger]

Hi all,

THe Ferrite Antenna BBF17M gave the best results; the Long Wire was no good at all. Still no sound tonight. 15.720 MHz AM was better last night, but still OK to listen to now at 2130 UTC.

Terje

[Mitsuru Ito]

Hi all,
The signal was coming with good SNR Iin Japan.
But before of transmittion signal was on 6095KHZ.

[Brendan1]

13730 was terrible today. Not one spoken word...

Brendan, Tucson

[df9rb]

I switched over to the EWE antenna after I stopped logging with the ham yagi antenna (20:30 UT). SNR decreased to approx. 16 dB but still audio!

Bernd, DF9RB

[Mitsuru Ito]

hi all,
The signal is coming strong in Japan.

[Digger]

Hi,

Gave up 2122UTC. A couple of words were caught on a wav file.

Terje

[dk8cb]

Today signal was the strongest I have seen so far from this transmission. Unfortunately the better receiver is in pieces at the moment, so I had to use the portable which produces too many intermodulation products. Still, something could be detected tonight, perhaps it would have been a perfect result on the better receiver.

I know that New Zealand is on the other side of the dateline, but as date and time are being sent along with the data stream in UTC, "Friday, June 9th" was of course wrong as it was still thursday (UTC) when I took the attached screenshot.

Roland

[Brendan1]

13730 just isn't making it to my QTH. My antenna is not high or large, so that may be part of the problem here. I'll have to work on it as best I can.

Brendan WA7HL
Tucson

[df9rb]

Audio decoding started after RCI switched of at 19:59. At 20:15 I switched to the EWE antenna - but a lot of audio interruptions today with this antenna - back to the yagi at the end.

Bernd, DF9RB

[Mitsuru Ito]

hi all,
I checked for 30mins on 13730KHz.

[Mitsuru Ito]

Hi all,
I was not able to fains signal on 9440KHZ
at 18:51-19:50.
But I found signal on 13730KHZ at 19:30.

[df9rb]

Nearly perfect for 2 hours.
Before 20:00 RCI is exactly on frequency, at 22:00 5 kHz down a stations (VOA?, unknown language) starts.
Own location still wrong. I though I changed from Tokyo to Germany but ..???

Bernd, DF9RB

[Brendan1]

Here are two logs for 13730 today - had to break in two for no good reason!
It appears RNZI has a new sked for technical reasons, thanks OwdJim! Still going strong at this time (0312Z).

Brendan WA7HL
Tucson

[dk8cb]

Even the portable receiver produced quite a bit of audio for some time.

Roland

[df9rb]

Hi all,

perhaps the usual dateline problem between Pacific and Europe????
I hope not. This frequency and time is the window to Europe.
Signal is also strong on 15720 in AM.

Bernd, DF9RB

[Mitsuru Ito]

hi all,
signal is strong in Japan too.
signal started AM-mode at 19:51 UTC.
I am not sure when signal changed DRM.
Maybe it was between 19:55 to 20:15.

[dk8cb]

It seems, I tuned in too late because reception was quite good when I started listening but later declined.

And citing Bernd, "the usual dateline problem" could also be watched again when - before midnight UTC - the date was shown as Monday but time was shown in UTC (where it really was Sunday still).

Roland

[Brendan1]

is when I first noticed RNZI 13730 with DRM on the 11th. This log is from somewhat later (nothing worth recording earlier), and shows how less than good today has been.

Brendan WA7HL
Tucson

[Mitsuru Ito]

hi all,
The signal came with good audio in Japan.
But signal stoped at few mins at 06:35 UTC.

[Brendan1]

Here's tonight's log starting at 2258Z and running until a few minutes ago.

I have made an antenna change - raising it 2 meters more away from the house. Reception is better overall, so my logs should be more consistent.

73's to all

[Mitsuru Ito]

hi all,
The signal was not strong today.
and with QSB.

[Brendan1]

My chart looks much like Mitsuru's, at least for the last 5 hours or so! First few hours are no good, as usual. The signal did drop off very quickly tonight though - almost nothing to see on the waterfall, much less decode.

[Mitsuru Ito]

hi all,
This is PNG file of this afternoon.

[Mitsuru Ito]

Hi all,
The signal stoped 04:10 to 05:23 UTC.
Affter that, signal was coming with good audio.

[Alan Johnson]

My results for this evening.

[Mitsuru Ito]

hi all,
My receiver was not working yesterday.
I fixed it,then I took log today.
Condition was not so bad today.

[AF4MP]

Here is this evenings report. Audio started to decode about an hour after sunset. Signal strength peaked to about S9 +20dB.

[Mitsuru Ito]

hi all,
This is PNG file of this afternoon in Japan.
I got good SNR about 27dB(26.9dB).
The signal was S-9 at peak.

[Mitsuru Ito]

hi all,
I think there were no transimittion yesterday.
This is PNG file of this afternoon.
The signal was S-9 at peak too.

[Brendan1]

13730 didn't start up on time, but when they did it was very good. I turned the log off early, but during the last hour it started to go downhill badly.

73's

[Mitsuru Ito]

hi all,
I took this PNG file this afternoon.
I do not why at about 04:50 UTC,
LEDs of SDC-CRC and MSC-CRC were not lighting at all
when audio level tracing at level 8.

[AF4MP]

Reception report during the shortest night of the year...

[Mitsuru Ito]

hi all,
I have started to take log file at 15hrs UTC-
this afternoon.
The signal was already coming with audio.
signal was bit weaker than yesterday.
Sgnal strenges was S-7 at peak. today.

[AF4MP]

Last night's reception...

[Brendan1]

First log shows how bad T-storms will disrupt DRM, and the second shows just how good it is when they go away! Between the QRM for the first few hours and the lightning it just wasn't good at all. Overall, propagation conditions were pretty good yesterday, at least here.

[Mitsuru Ito]

Hi all,
This is PNG file of this afternoon.
There was QSB.

[Mitsuru Ito]

hi all,
These are today's PNG files.
The signal was not so strong today.

[AF4MP]

Last nights/this mornings reception report. Not sure what the upward blip in the audio plot means, but I did record some audio (WAV) to the hard drive at about that time.

During the good reception period it felt as if I was in New Zealand listening to the local National Radio and not thousands of miles away listening on shortwave!

-Zyg-

[fibber]

Wow! Ain't this great! Thanks to RNZI for so much fun. I'll echo another post, this is like being a "local" in New Zealand!

:)

[Mitsuru Ito]

hi all,
I gave up to get audio in the morning.(from 22:40 UTC)
But I got few secs audio with signal of VOAl on 13725KHZ.
Signal of VOA is very strong S was about 10dB orver S9.
Today RNZI's signal stoped 23:02 UTC.

[Brendan1]

They've been off-air a lot the last several days, and today has been no exception. Went off-air just before the hour, and now there is analog on the frequency. Still, not bad copy today. The first hours were a dead loss due to thunder storms passing through, and a couple of outages at Rangitaiki.

73's!

[Mitsuru Ito]

hi all,
These are PNG files of this aftenoon.
I am not sure when they restarted broadrcasting.
I guess thay restrated at around 04:30 UTC.

[AF4MP]

Last night's (unattended) reception report.

[dk8cb]

SNR is just a bit too low for more than a few bits of audio. I bet if it were a mode A transmission, it would work for me!

Roland

[Mitsuru Ito]

Hi all,
I hope RNZI reterned ordinary schedule.
But signal was suppressed by signal of VOA at 22:00 UTC.

[Mitsuru Ito]

hi all,
This is PNG file of this afternoon.

[AF4MP]

Today's (unattended) reception report.

[Brendan1]

All dropouts during the first several hours were caused by a series of t-storms moving through - and it could be this way nearly every day until September! Oh well... Not bad once the storms went away, although I'm not sure what happened with the big drop out - perhaps an off-air moment? The VOA that is near-channel (-5 kHz) from 0000 to 0100Z really wipes out reception, and then another VOA from 0130 to 0200 (+5 kHz) doesn't help either! Last night's log attached...

[dk8cb]

Too low an SNR for audio. Interference from VoA, 5 kHz down, is also significant.

Roland

[Mitsuru Ito]

hi all,
These are PNG files of this morning and afternoon.

[AF4MP]

Today's reception report...

[Brendan1]

Solar conditions were up yesterday, so naturally the first few hours were not as good as usual. Once 0200Z came around and all the QRM disappeared, things got quite a bit better.

[Mitsuru Ito]

hi all,
These are PNG files of this morning and afternoon.

[AF4MP]

Today's reception report (unattended)...

[Brendan1]

Some lightning early, but going away later.

[dk8cb]

The earlier, the better.

Roland

[Mitsuru Ito]

hi all,
This isPNG file of this morning in Japan.

[df9rb]

First 45 minutes OK

Bernd, DF9RB

[df9rb]

Hello all,

this frequency also good for Europe in the morning. The parallel AM-transmission on 15720 is 15 to 20 dB stronger. It would be interessting to try 15720 in DRM at this time.

Bernd, DF9RB

[FritzWue]

...and here is the rest of the story (transmission): :D

[Mitsuru Ito]

hi all,
this is PNG file of this afternoon.

[AF4MP]

Today's reception report. A long unattended log as I didn't get up in time to switch it off.

There was some adjacent channel interference at the beginning.

[Mitsuru Ito]

hi all,
This is PNG file of this morning-
before VOA came on 13725KHZ.

[dk8cb]

Quite a good signal for a long period, then signal went down.
Inspite of the lower number of audio frames shown in the log for the DRMSWR, audio from it was almost continuous and more constant than from Dream.
RNZI seemed to have problems at times concerning audio as there were several moments without audio despite perfect reception. But this may also have originated at the studio.

Roland

[df9rb]

Until 20:18 I used the wrong antenna. At 20:18 I switched over to the Ham yagi. The audio interruptions were surely originated at the studio as there was also no audio during these periodes on the parallel AM-transmission on 15720.
The transmission was very up-to-date. 10 seconds after the soccer game France - Brazil has ended the result has been reported.....
At 22:00 a strong station 5 kHz down started.

Bernd, DF9RB

[Brendan1]

No, RNZI is still on, but the band just dropped out from under their transmission - see the log file attached. Interesting to watch it using the waterfall in Dream, and see the signal become attenuated and fluttery within an hour.

A big question: can someone direct me on getting Dream setup with my QTH? I am at a loss at how to do so, because I really like to use Dream over DRMSWR. DRMSWR works fine, no problems at all. The Dream software itself works very well indeed, but it is the log data I have a problem with. DRM Calc gives me an error message (of an invalid QTH) when using my Dream log data and won't calculate the distance et cetera. Any tips would be greatly appreciated.

[df9rb]

Today the reception suffered badly from a station (ROI?) on the same frequency. At 5:05 I tried longpath - but the signal is coming definitively short path.

Bernd, DF9RB

[Digger]

Hi,

No luck here on the Long Wire.


Terje

[Mitsuru Ito]

hi all,
This is PNG file of this afternoon.

[AF4MP]

A big question: can someone direct me on getting Dream setup with my QTH?

DRM Calc gives me an error message (of an invalid QTH) when using my Dream log data and won't calculate the distance et cetera. Any tips would be greatly appreciated.

Brendan,

According to the instructions: "The latest versions of Dream are able to save your own coordinates in the dream.ini file in the Dream folder. Please use this format 50°05'N 8°41'E in WGS84. If you don't put your coordinates into the dream.ini file, the coordinates the distance and direction results are not valid!"

-Zyg-

[Brendan1]

Not too bad, but lightning is now moving in, and it will only get worse. You can see the dropouts in the last few minutes of the log. Thanks again to all for the help getting my coordinates input into Dream - everything works like a charm.

[Mitsuru Ito]

hi all,
This is PNG file of this afternoon.

[dk8cb]

Almost continuous audio on the DRMSWR for over an hour. No audio after about 21:06 with a weaker signal and increasing interference from VoA, so I stopped logging and tuned the receiver to somewhere else.

Roland

[Mitsuru Ito]

hi all,
This is PNG file of this morning.

[Mitsuru Ito]

hi all,
This is PNG file of this morning.

[Digger]

Hi,

The longwire antenna picks up too much rubbish from the environment. After I changed to the Ferrite Antenna (optimised for 17 MHz) the reception improved, but it was still not enough to get any continuous sound.


Terje

[dk8cb]

There's no trace of a DRM signal here tonight.

Roland

[Mitsuru Ito]

hi all,
I had been waiting on 13730KHZ at 19:51 UTC.
But the signal was coming.
And I found signal on 9440KHZ at 20hrs UTC.

[dk8cb]

Quite a good signal into Munich today.

Roland

[Digger]

Not quite so lucky here....


Terje

[dk8cb]

Not much audio today. The channel's background noise level including noise from distant thunderstorms seemed to be rather high.

Roland

[dk8cb]

Rather good for a while with constant audio. Later, signal strength decreased a little, interference from VoA came on and the SNR went down below what would have been required for continuous audio.

Roland

[df9rb]

Hi all,

with the HAM yagi the signal is for one hour longer decodeable.
I presume it is the little higher gain than the dipole and mainly the attenuation of VOA 5 kHz down.
The interruption at 21:18 was caused by a faulty click in station dialog.

Bernd, DF9RB

[df9rb]

Hi,

signal today around 1mV from the Ham-Yagi, 30 µV from the EWE-antenna.

Bernd, DF9RB

[dk8cb]

I only started logging after the end of the World Cup final. Signal was good but there was interference from an AM station with a very strong carrier on 13735 kHz. I have not yet identified the station. Decoding was almost impossible until the station went off the air shortly before 21:00 UTC. If I can trust the uncalibrated meter on my 30 years old 'boatanchor' (weighing 40 kgs) Siemens E403 receiver, RNZI's signal strength on my dipole is also around 30 µV.
After 22:00 UTC, VoA on 13725 kHz with its broadcast in Khmer (?) had obviously changed beam direction and became very strong which did not allow any further audio to be decoded.

Roland

[Digger]

I started logging even a bit later than Roland, but with AM present less than 10 kHz from the wanted signal, my Yaesu just doesn't work with DRM. After 2235 UTC there was nothing in the log.

By the way, the 16 m Long Wire produced a maximum SNR about 8 dB, whereas the Ferrite Antenna (max. sensitivity at 17 MHz) pushed SNR up to 15 dB and over.

Terje

[df9rb]

Close to 100 % audio. I think reception is suffering a little from distant thunderstorms. A lot of peaks can be seen in Waterfall diagramm.

Bernd, DF9RB

[dk8cb]

Again better audio on the DRMSW, almost continuos despite the worse looking result in the comparison report.
Nothing after VoA had come on.

Does RNZI repeat its domestic programme on different days? This was the second occasion that I heard the report about a visit on a volcanic island...

Roland

[Digger]

A log from 20 UTC when Canada left the QRG until 2234 UTC when the DRM signal disappeared. At that time the receiver was unattended. RNZI is listed for this frequency until 05 UTC. Unfortunately, no audio here last night.


Terje


PS: Thanks Roland; that explains it.

[dk8cb]

A log from 20 UTC ... until 2234 UTC when the DRM signal disappeared. ... RNZI is listed for this frequency until 05 UTC.

At 22:34 UTC, RNZI's AM (15720 kHz) and DRM transmitters (13730 kHz) go off the air to swap frequencies. Two minutes later, DRM continues on 15720 kHz and the AM service is resumed on 13730 kHz.

Roland

[dk8cb]

At the beginning, signal was stronger (around 100 µV) than what I have seen from RNZI before, however it soon became weaker and there was interference from VoA as well.

May I suggest that despite the theoretically worse performance, mode A be tried once? In practice, it has been proven that it often works better than mode B.

Roland

[Brendan1]

I haven't been able to get RNZI logged until today for this frequency and time, i.e. the 'resumed' summer schedule. Very erratic reception to say the least.

[dk8cb]

Not so great tonight. I did not even get a station label at the beginning.

Roland

[dk8cb]

Not so bad at the beginning.

Roland

[dk8cb]

Not worth further logging here. RNZI's signal is too weak today.

Roland

[dk8cb]

Quite good for a while.

Roland

[df9rb]

Quite good.


Bernd, DF9RB

[dk8cb]

Not bad for a while.

Roland

[dk8cb]

Not a trace of a signal here in Munich today. Neither in DRM on 13730 nor in AM on 15720 kHz.
No transmissions?

Roland

[Brendan1]

Nothing here in NA either at the moment, either analog or DRM.

[dk8cb]

Nothing here in NA either at the moment, either analog or DRM.

In another thread and from a post by Mitsuru Ito, I read that 9440 kHz was used for DRM in defiance of RNZI's normal schedule. When I tried this frequency, there was a strong AM signal on it with what sounded like Bollywood film music.
So no chance to receive RNZI's DRM signal then.

Roland

[dk8cb]

A weak signal today and an absolutely awful sound with dropouts and a much too low bitrate, listen to the attachment.

Roland

[dk8cb]

Seems I missed the better part by tuning in too late.

Roland

[df9rb]

Log from this evening.

Bernd, DF9RB

[dk8cb]

Signal was already too weak when I tuned in.

Roland

[df9rb]

17 kbps at the limit today and useless because the audiorange only up to 5 kHz.

Bernd, DF9RB

[df9rb]

Condx improved....

Bernd, DF9RB

[Mitsuru Ito]

hi all,
this is PNG file of this morning.
bit reate changed 14.58Kbps to 11.64Kbps-
at 20:30 UTC 25/07/06.

[FritzWue]

Driving from near Olpe to Gescher on the A45, A2, A31.
My DRM radio was a little bit quiet that evening... :rolleyes:

[DE8MSH]

Not much, but hey it's New Zealand in Bremen... :D

[Brendan1]

Typical log for my location this time of day and this frequency: not all that good, but this isn't about me, it's for the hobby! :D

73!

[Brendan1]

Not a good day on 13730, not at all.

73

[dk8cb]

Just too weak over here.

Roland

[dk8cb]

Again too weak for audio.

Roland

[FritzWue]

too low snr for audio, service label was there, just started log too early.

[df9rb]

Only a short opening to Europe today (I started logging after audio decoding started). 14 kbps was much better for Europe. With 14 kbps decoding was possible down to 12 db SNR.

Bernd, DF9RB

[dk8cb]

It looks very much as if I have tuned in a bit too late today.

Roland

[FritzWue]

No luck, even DREAM crashed.... :(

[df9rb]

Hello,

after several days with no audio nearly 100 % audio today. Some interruptions after the "flash" through the spectrum..(RNZI_flash). Is this perhaps an ionosphere sounder???
I could observe this flash two times within 30 minutes.

Bernd, DF9RB

[df9rb]

Audio only for 25 minutes.

Bernd, DF9RB

[FritzWue]

No audio here, perhaps I was a little late:

[df9rb]

Hello,

perhaps I came home a little late... So only a few minutes of RNZI.

Bernd, Df9RB

[df9rb]

Signal at the limit in Europe but not too many drop outs.

Bernd, DF9RB

[df9rb]

Hi,

short listening to RNZI before going to bed....
The two drop outs were caused by the combination of my soundcard and Dream 1.10.2

Bernd

[Alan Johnson]

Overall good results.

Alan

[Alan Johnson]

Lousy tonight.

[Brendan1]

Not very good last night.

[Brendan1]

Must have been transmitter maintenance last night - nothing logged.

[Brendan1]

Nice improvement, and not just compared to the non-log of last night.

[Brendan1]

A retreat from the night of the 4th.

[Brendan1]

Conditions were troubled again last evening.

[Brendan1]

The bottom really dropped out last night. :(

[Brendan1]

Still lacking cooperation from the propagation gods. :rolleyes: Anyone know what they would like for a sacrifice?

[Brendan1]

Not so good, again!

[Brendan1]

Definitely better propagation last evening, much better signal levels than I've seen in a while here.

[Brendan1]

Back to 'normal,' which means much less than stellar. :(

[Alan Johnson]

A little better - I wonder if the A index of 20 was responsible?

[Alan Johnson]

Much poorer tonight - A index was 12.

[Brendan1]

Worse than Alan's results over the last couple of days.

[Brendan1]

Very bad propagation yesterday.

[Brendan1]

Not much luck last night.

[Brendan1]

No data to show, propagation was negligible last evening. Not one little pip of SNR anywhere in the two hour block I log nightly. Worst result ever.

[Brendan1]

Got something last night, still pretty rough reception though.

[Brendan1]

Didn't get started on time, but something is better than nothing.

[Brendan1]

A little better.

[Brendan1]

Interesting pattern to the SNR trace last night, haven't seen this in a while.

[Alan Johnson]

Not very good at all.

[Brendan1]

Even worse farther north. :eek:

[Alan Johnson]

A little better in the second half, but not great.

[Brendan1]

Wow, what a cliff! I don't know what happened, but that's an incredible rise in SNR at 0158.

[Brendan1]

Hmm, fairly disappointing yet again.

[Brendan1]

Disappointed again - signal 'rot' has set in once more.

[Brendan1]

Hmm, some decoding time last night, so propagation is shifting again.

[Brendan1]

Not very good once again. :(

[Brendan1]

Better than most of my logs for this frequency. Something's changing... :o

[Brendan1]

Not as good as the usual 'bad' log, something killed the early portion.

[Brendan1]

I wish the SNR graph was opposite the reality: only a little bit at the beginning and the end? Please, someone send better conditions soon!

[Brendan1]

Not good at all, conditions simply aren't very steady in this timeframe for me.

[Brendan1]

About like yesterday...

[Brendan1]

Only a couple of blips to detract from the very straight line of 'nothing.' :rolleyes:

[Brendan1]

Some usable minutes towards the end: that's a change!

[Brendan1]

It only gets good at the end unfortunately.

[Brendan1]

Not very good last night. :mad:

[Alan Johnson]

This is pretty ugly. :mad:

[Brendan1]

Not very good conditions most nights right now.

[Brendan1]

Missed the 9th, sorry! Done with catching up here.

[Brendan1]

Not bad last night.

[Brendan1]

Somewhat better reception right now. I am using a different direction now, pointing just about due west and not southwest, which would seem more likely for good reception. Odd...:confused:

[Brendan1]

Actual bearing now is 310/130 degrees true for the loop. All of my logs show higher signal strengths, not just RNZI! I'm leaving it there for now. ;)

[Brendan1]

Off-air until about 0122, then it fluctuated a bit until the band steadied up.

[Brendan1]

Some disruption to the band last night, but once it opened up, it was really good.

[Alan Johnson]

Not very good for me tonight.

[Brendan1]

There was a bad patch in the middle, but very nice otherwise.

[Brendan1]

The band shut down a little early last night, which is not normal.

[Brendan1]

An off day, not that good.

[Brendan1]

Good old transmitter maintenance kept RNZI off-air until 0241Z, so my log reflects that very short period of "uptime."

[Brendan1]

Not very steady conditions last night.

[Brendan1]

Transmitter went out on the 23rd, but last night was extremely good! :D

[Brendan1]

Not all that bad last night.

[Brendan1]

Looks like something happened at Rangitaiki...

[Brendan1]

Sorry about the break in the log, needed to re-boot the PC. Somewhat variable last evening, not sure why.:rolleyes:

[Brendan1]

Not bad! :)

[Brendan1]

Could have been better, but not bad all the same.

[Brendan1]

Posted to wrong thread...please ignore!

[Brendan1]

Somewhat variable reception, but I'll take it. ;)

[Alan Johnson]

Took a while to start, but then pretty good, although I'm unsure what the big dip was due to.

[Brendan1]

Disappointing on the 2nd; was trying to bag MOI Kuwait last night during this time slot, not much luck there.

[Brendan1]

Not bad, considering propagation had been hampered most of the day.

[Brendan1]

Somewhat variable, which is par for the course. :rolleyes:

[Brendan1]

Reception is still off a little here. :(

[Alan Johnson]

Looks like 16 dB SNR is the magic number ;)

[Brendan1]

Yup, 16dB is a good one!

[Brendan1]

The 11th was not so good, last night was a little better.