RNZI on 9440 kHz

[Owdjim]

Hi All

As of 0500 UTC June 4, RNZI has started up on 9440 kHz using 16.5 kbps AAC SBR mono audio. I'll add the log plot later, but I'm only seeing 8-9 dB here 300 km away.

I'm not sure if anyone has posted it here yet, but here is the RNZI DRM schedule effective June 4:

04 June 2006 - 03 September 2006
UTC NZ Time kHz Mode Primary Target
1300 - 1650 0100 - 0450 6095 DRM All Pacific, Fiji, Niue, Samoa, Cook Islands
1651 - 1850 0451 - 0650 7145 DRM All Pacific, Fiji, Niue, Samoa, Cook Islands
1851 - 2250 0651 - 1035 13730 DRM All Pacific
2251 - 0458 1036 - 1658 15720 DRM All Pacific
0459 - 0658 1659 - 1858 9440 DRM All Pacific
0659 - 1300 1859 - 0059 7145 DRM All Pacific

Cheers, Chris

[Baldo34]

Reception is also possible in Europe. Unfortunately no audio.
See screenshot.
73, Klaus

[Mitsuru Ito]

Hi all,
I got about less than 50% audio.
There were no audios beginning.
7145KHZ is only syc there is very very strong signal on 7140KHZ.
The strong signal is coming from N.K.

[Brendan1]

Hi everyone!

I was able to copy RNZI on 9440 quite well here in the southwestern US. I've attached the screen view of my reception period. DRM was actually far superior to RNZI analog on 9615 at the same time: DRM must be using much more power!

Good, copiable DRM signals are hard to get here in the US, and RNZI now has one of the best around. I can hardly ever get RCI from Sackville (on any frequency), so at last my investment in DRM can pay off!

Regards,

Brendan

edit: post moved, Simone

[Brendan1]

I originally posted this report on the RNZI 7145 thread by mistake.

Great reception here in the southwestern US. RNZI analog almost inaudible, but DRM was much, much stronger - higher output power?

73's

Brendan

[Brendan1]

Excellent copy on 31 meters tonight. Nothing of 7145 at 0659Z, but RNZI analog can be heard on 6095, very weak.

73's for tonight!

Brendan

[Mitsuru Ito]

hi all,
I got audio 20mins longer than yesterday.

[Brendan1]

Near perfect, except for the missing first 15 minutes - I forgot to change frequencies! Quite stable right up to the end.

Brendan Tucson

[Mitsuru Ito]

hi all,
Broardcats started at 14:33.
The signal was not strong.
audio was less than 60mins.

[Mitsuru Ito]

Hi all,
There is bit QSB beging S5 to S9.

[Alan Johnson]

I could stay up late tonight and got these results - maybe RNZI should try a higher bit rate and even stereo with reception like this!

[Mitsuru Ito]

hi all,
I got audio about 30mins.

[Brendan1]

I didn't copy the entire broadcast, but what I did was near perfect. I agree with Alan: RNZI, you should go higher rate and try P-Stereo!

Brendan WA7HL
Tucson

[Brendan1]

Last night was excellent! I only logged 30 minutes or so, but I know it would have been good for the entire period. Raised the antenna to about 4 meters or so, and it's now clear of the house - that seems to have made a difference.

Brendan WA7HL
Tucson

[Brendan1]

About as good a DRM broadcast as you'll find in NA. Still going strong, I just want to go to bed! :) The bellbirds of the interval signal at the beginning of the broadcast were incredibly clear - almost like being in the forest with them.

[Mitsuru Ito]

Hi all,
This PNG file of this afernoon.
The signal was not able to synchronize-
at bignning.

[Mitsuru Ito]

hi all,
This is PNG file of this morning.

[Mitsuru Ito]

hi all,
Thsi is PNG file of this afternoon.

[Mitsuru Ito]

hi all,
This is PNG file of this afternoon.

[Mitsuru Ito]

hi all,
this is PNG file of this morning.

[Digger]

Hi,

Traces of DRM here, but again we're "blessed" by TRT +20 kHz with their "clothespin-on-the-nose" modulation, splattering 30 kHz in all directions. There is AM -10 kHz also plus a lot of QRN this morning.

Terje

[Mitsuru Ito]

hi all,
these are PNG of this afternoon.
Dream freezed at 05:40 UTC.
Then I restrart dream at 06:25 UTC.

[Mitsuru Ito]

hi all,
this is PNG file of this afternoon.

[Mitsuru Ito]

hi all,
this is PNG file of this morning.

[Mitsuru Ito]

hi all,
This is PNG file of this afternoon.

[Mitsuru Ito]

hi all,
these are ONG files of today.
The signal was very weak this-
afternoon(06:09-06:57 UTC)

[Mitsuru Ito]

hi all,
These are PNG files of today.

[Mitsuru Ito]

hi all,
These are PNG files of today.
I took only 30mins morning.
The signal was very weak and-
no audios afternoon.

[Brendan1]

Not a good evening - 9440 is usually the best DRM signal for me and this was a very poor night. Two track monitoring again- both Dream and DRMSWR running in parallel, and DRMSWR did a better job until it all went down the drain.

73 for now.

[Mitsuru Ito]

hi all,
RNZI is broardcatuing on 9440KHZ insted of 6095KHZ-
this morment.
thay stoped ontime at 07:00UTC.
But thay rebrardcating soon.
Thay are brardcating more than 6hrs.

[Brendan1]

I got some recording time in last night - not bad at all. I can report that at 1400Z RNZI is still going on 9440, very nice signal too. I'm recording at the moment, and will post later.

[Brendan1]

RNZI did well, but I shut down when the SNR got too low to decode.

As of 1707Z, RNZI is still going on 9440. Was supposed to have switched to 7145 by now. A weak SNR, only about 6-6.5 dB.

[fibber]

Here is my log for the 9440 overtime broadcast. Ups and downs!
0458z to 1426z

[Mitsuru Ito]

hi all,
this PNG file is after that time.
It is 20:36 UTC on 17th July.
Signal is on 9440KHZ yet.
I checked 9440KHZ around 15:30 UTC.
there was signal yet.
But I shut down my computer.
I guess there was signal on 9440KHZ-
upto this morment from 15:30..
I will record until signal stop on 9440KHZ.

[Mitsuru Ito]

hi all
Audio faded out at 21:20 UTC.
But there is signal on 9440KHZ yet.
Dream can syncrhronize on 9440KHZ-
up to now.

[AF4MP]

Today's reception (unattended) did not follow schedule!

[Brendan1]

Here is the log for the first 67 minutes or so of 9440. Still on, but it's time for bed.

This was being sent at 10.08 kBps - very slow. But that is not the real issue: this was the nastiest audio I've heard on DRM. There was a "skipping" quality to the audio, somewhat like a bad scratch on a vinyl record causing the record to skip. Segments of audio were being "spliced" back in a few milliseconds out of order. You can follow the presentation, but it is not very pleasant. Very low fidelity as well. Dream only showed about 3 kHz of audio bandwidth.

Also, despite being about the highest SNR broadcast I've ever decoded, the audio kept dropping out every so often. Combined with the audio problem, it was a little tortured listening to it.

[Mitsuru Ito]

hi all,
I have for gotten to take LOG file.
as you know mudulation has chaned to 16QAM from 64QAM.
I was able to ghet audio with low SNR.
normaly I got sound after 05Hrs UTC.
But today I got audio before 05Hrs UTC.
PNG file is only ending few mins.
I guess RNZI changed bourate and modulation to
10.08Kbops/16QAM from 64QAM from -
transition on 15720KHZ of today.

[AF4MP]

This is the 9440 kHz reception log for the night ( I was asleep). The graph does indicate the lower voice bit rate as mentioned by Brendan and Mitsuru.

-Zyg-

[Mitsuru Ito]

hi all,
This is 16QAM's PNG file of this morning.

[Mitsuru Ito]

hi all,
this is PNG file of this afternoon.
I have lost datas of bitrate and station name.
The signal was 64QAM and 14.58Kbps.

[Mitsuru Ito]

hi all,
thsi is PNG file of this morning in Japan.
(18:59UTC to 19:50UTC)
I was not able to get audio this afternoon
These are no synchronizing signals too.
(04:59UTC to 06:58 UTC)

[Mitsuru Ito]

Hi all,
I have forgotten to take LOG this morning,
So there is only PNG file of this afternoon.
But Bite rate was 17.46KBps this afternoon.
I did not fell any defference of audio to-
comper 14.58Kbos's program..

[Brendan1]

Here's how tonight's broadcast went. A lot of dropouts, and I don't know why. No thunderstorms today...

[Mitsuru Ito]

hi all,
this is PNG file of this morning.
this grapnic chart likes as graphic chart-
of yesterday's afternoon.

[Mitsuru Ito]

hi all,
this is PNG file of this afternoon.

[Brendan1]

Wasn't all that bad last night, and I recorded the entire broadcast. I don't know what caused all of the dropouts - no lightning in the area, probably just propagation conditions.

[Mitsuru Ito]

hi all,
these are PNG files of this morning, afternoon-
and evening.
even this time the signal is on 9440khz.
I can get audio few secs this moment 11:14 UTC.

[fibber]

Sounds GREAT and I love the longer sked on this freq. Looks like overall audio was 97.69%. Not bad! :)

[Mitsuru Ito]

hi all,
it is very good signal in USA,fiibber.
this is PNG file of this moring in Japan.
I have forgotten to tune frequency of -
my LOOP antenna.
So I tuned frequency antenna at 19:32 UTC.

[Mitsuru Ito]

hi all,
This is PNG file of this afternoon.

[AF4MP]

This morning's unattended 9440 kHz reception report.

[Mitsuru Ito]

hi all,
thsi is PNG file of this afternoon.
I have forgotten to take LOG thismorning.

[Brendan1]

Not a bad report - although I don't know what is causing the dropouts every 10 minutes or so. Since they are (apparently) evenly spaced, it may be something artificial causing them. I will have to investigate to see if I can find the source.

[Mitsuru Ito]

hi all,
this is PNG file of this morning.
The signal was strong about S-8 in Japan.

[Mitsuru Ito]

hi all,
thsi is PNG file of this afternoon.
I do not understand why signal was too-
weak this afternoon.
But the signal was strong this morning.

[AF4MP]

This morning's (unattended) reception. Looks good, although there are some periodic blips (I don't think it's my computer).

-Zyg-

[fibber]

Looks like there is a pattern to the dropouts and I noticed the same thing on 6095 later in the night/morning. Looks like (from other posters) RNZI might be having a little exciter problem again.

[df9rb]

Hi,

I think there would have been much more audio if RNZI wouldn t be squeezed between two AM-Stations 5 up and down .....

Bernd, DF9RB

[Mitsuru Ito]

hi all,
this is PNG file of this morning.

[Mitsuru Ito]

hi all,
this is PNG file of this afternoon.

[Mitsuru Ito]

hi all,
this is PNG file of this morning.
I do not understand why -
SNR and audio were moving ups and downs.
Those conditions were moved about every 2mins.

[Brendan1]

Hello Mitsuru!

I have seen this occur on every RNZI frequency - someone else speculated earlier that they may actually have an exciter problem that is causing this to happen. Not a good sign!

73

[Mitsuru Ito]

hi all,
this is PNG file of this morning.

[AF4MP]

This morning's (unattended) reception report.

[Brendan1]

Stayed up late and snagged 9440 tonight. Great reception as always on 31 meters!

73's to all!

[Mitsuru Ito]

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

[Mitsuru Ito]

Hi all,
These are PNG files of this morning-
and afternoon in Japan.

[Mitsuru Ito]

hi all,
this is PNG file of this morning.
I was not able to get signal this afternoon.
(04:59-06:58 UTC)

[Brendan1]

Copied 42 minutes of the broadcast tonight - excellent copy. The transmitter dips are gone. Between the 15720 broadcast and this, RNZI changed the AAC to AAC+, and the audio bandwidth was increased to 10 kHZ. Much better.

73 to all!

[Mitsuru Ito]

Hi all,
These are PNG files of this morning and-
afternoon in Japan.

[Mitsuru Ito]

Hi all,
This is PNG file of this morning.
Condition was very poor.
audio was not coming when SNR was bigger-
than 15dB.

[Brendan1]

Great start, but noticeable drops at the end. Probably an all-time high for SNR for my QTH actually during the first hour. Normally 9440 has an excellent signal with no drops, so condx are fluctuating somewhat across all the bands tonight.

73

[Mitsuru Ito]

hi all,
this is PNG file of this afternoon.

[AF4MP]

This morning's 9440 kHz (unattended) reception report. The SNR dropped off during the end here too (see Brendan's report above).

-Zyg-

[Baldo34]

Quite good signal (with audio) in Europe this morning.
See screenshot.
73, Klaus

[Mitsuru Ito]

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

[AF4MP]

This morning's (unattended) 9440 kHz reception report.

Looks good.

[fibber]

See my capture. This is of Aug 9 and Aug 10 broadcasts.

[Brendan1]

Not too bad, and it looks like the 'dips' are slightly diminished over previous observations. Signal strength was excellent however, and that may kept the dips from being so obvious.

[AF4MP]

No 9440 kHz signal detected (near Atlanta, GA) this morning. :confused:

[FritzWue]

Signal strong enough and without interference here but simply too distorted at this distance:

[AF4MP]

This morning's (unattended) 9440 kHz reception report.

Looks like the transmitter had a 6dB drop in output power half way through the transmission.

-Zyg-

[AF4MP]

This morning's (unattended) 9440 kHz reception report.

[Brendan1]

An atypical night for 9440 for me: not very good. We had no QRN, just interesting conditions perhaps.

[feinstei]

Superb reception of RNZI's signon (with the call of the New Zealand bellbird) at 0459 and then the ending of a program about the intersection of art and science. News at 0501 followed.

Flawless reception in Detroit, MI with SNR at 20 to 22 dB using TenTec RX-350, Butternut ham vertical and DRM Software Radio 2.0.


Is there a tutorial on how to create the PNG files that I see people posting up here?

[Brendan1]

The PNG files are generated by DreamCalc, a freeware program found at this site: http://home.arcor.de/carsten.knuetter/drm.htm

Carsten has done a great job with this program, it is now on version 6.2. He is also a regular contributor to the reception reports as well, and is very helpful.

[Brendan1]

A short one tonight. Excellent condx on 31 meters tonight. I don't know if the xmitter took a bit of a drop or what happened.

[fibber]

After a day or so of 17.28K, RNZI is back up to 17.46K and sounding awesome!

Here is my 20060823 log.

[FritzWue]

No audio, too much interference from some totally distorted AM station on 9460 kHz.

[AF4MP]

This morning's (unattended) 9440 kHz reception report. SNR down...

[fibber]

03 September – 29 October 2006
Times in UTC

1751 – 1850
9440
DRM
Fiji, Niue, Samoa, Cook Islands

[AF4MP]

This morning's (unattended) 9440 kHz reception report. Looks good, but it is in the middle of the night for us!

[Brendan1]

I say attempt because absolutely nothing was there this time of day for my QTH. Dream and DRMSWR detected nothing at all, and the waveform was not visible on the Dream waterfall. So, no log to post. 15720 is now coming in at around 11 dB SNR.

[FritzWue]

Signal was "best" when they switched off, more on 15720kHz.

[tradio99]

RNZI today 18-18.50 with 1 second of audio

[Digger]

About one second of sound here too. No, about two seconds to be fair.

[mitajohn]

Hi all,

With a signal on the meter below 23 dBuV, several minutes of decoded audio received from the Pacific...very rare here.

[Digger]

Still no luck on this frequency here. Towards the end there was AM in the middle of the channel.

[mitajohn]

Hi all,

Another rare reception from the Pacific but unfortunately it last only 10 mins.

[Digger]

Sighted but not heard... At 0630 UTC co-channel AM QRM started.

[mitajohn]

Hi all,

Another rare reception from the Pacific for ~70 mins with a signal just over 0 meter...