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Old 06-08-2019, 10:59   #1
Owdjim
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KTWR on 11995 kHz

No decoding of KTWR on 11995 kHz, 1026-1054 UTC, Tuesday August 6th.
Supposedly beamed this way towards Australiasia, but with strong auroral activity for the last day the bands here have been a mess.

73 Chris
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File Type: png 11995-190806-1026-1054-Owdjim.png (40.2 KB, 50 views)
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Elad FDM-DUOr, KiwiSDR, FRG-100/DRM receivers + Wellbrook ALA1530S+ loop antenna
DRM receiver museum: CT Digital World Traveller, Morphy Richards 27024, Newstar DR111, Roberts MP-40, UniWave Di-Wave 100
My DRM webpage: http://www.owdjim.gen.nz/chris/radio/DRM/
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Old 07-08-2019, 02:48   #2
Braccini
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Quote:
Originally Posted by Owdjim
No decoding of KTWR on 11995 kHz, 1026-1054 UTC, Tuesday August 6th.
Supposedly beamed this way towards Australiasia, but with strong auroral activity for the last day the bands here have been a mess.

73 Chris
Davi DX (Belo Horizonte - Brasil): https://youtu.be/JpDS3ZQOnJQ

Medium signal in southeast of Brazil. But no signal here in South of Brazil. 73!
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Last edited by Braccini : 07-08-2019 at 02:54.
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Old 08-08-2019, 01:05   #3
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KTWR on 11995 kHz

KTWR DRM (Label: Channel 1 Audio) towards China, logged for 29 minutes from 1026-1055 UTC. A weak signal. Max. 11,01 dB SNR and 7,71% decoded audio. 18,44 kbps, EEP, AAC, Mono, English, Religion, Guam, ID:1001. Mode A/10, 2s, 4/16 QAM, P:1/0, A:1/D:0, Time stamp: Wed. Aug.7 10:28:00 UTC+0. Audio BW: 5000 Hz. Audio quality: Good, but too many drop-outs. Result: Bad reception in Japan. Solar wind speed: 530,4 km/sec, a bit down from this morning.
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File Type: png 11995-190807-1026-1055-Hatori.png (39.7 KB, 31 views)
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Old 08-08-2019, 12:24   #4
MARCEL
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Very bad propagation, no signal in FRANCE
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Old 09-08-2019, 00:33   #5
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KTWR on 11995 kHz

KTWR DRM (Channel 1 Audio) towards Japan and Korea, logged for 29 minutes from 1026-1055 UTC. A quite good signal around 40 dBV in strength. Max. 23,47 dB SNR and 97,95% decoded audio. Data: 18,44 kbps, EEP, AAC, Mono, English, Religion, Guam, ID:1001. Mode A/10, 2s, 4/16 QAM, P:1/0, A:1/D:0, Timestamp: Thu. Aug.8 10:37:00 UTC+0
Audio BW: 5000 Hz. Audio quality: Good, with just a few drop-outs. Result: Very good reception in Japan. The solar wind speed was still high: 436 km/sec, a bit down from this morning.


KTWR logged for 18 minutes from 1034-1052 UTC with the Newstar DR-111. The clock in the DR-111 is not correct. Lately it has begun acting strangely. Max. 20,0 dB SNR and 97,43% decoded audio. Result: Very good reception on the telescopic antenna inside my house in Japan.
Attached Images
File Type: png 11995-190808-1026-1055-Hatori.png (38.9 KB, 47 views)
File Type: png 11995-190808-1034-1052-Hatori.png (37.7 KB, 41 views)
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Last edited by Digger : 09-08-2019 at 00:58. Reason: Added a DR-111 log
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Old 13-08-2019, 11:03   #6
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KTWR on 11995 kHz

KTWR (Channel 1 Audio) to ANZ/South Pacific, a weak from the back of the beam signal in Shizuoka. Logged for 28 minutes from 1027-1056 UTC. A very weak signal. Max. 8,30 dB SNR and 0,00% decoded audio.

Configuration: 20,06 kbps, Channel 1 Audio, EEP, AAC, Mono, English, Religion, Guam, ID:1002
Technical: Mode B/10 kHz, 2s, 16/64 QAM, P:2/0, Audio: 1 / Data:0, Time stamp: Tue 13. Aug 10:27:00 UTC+0

Result: Bad eception in Japan and no decoded audio at all (as expected).
Solar wind speed: 454.4 km/sec, a bit up from the last few days.
Attached Images
File Type: png 11995-190813-1027-1056-Hatori.png (37.2 KB, 32 views)
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Old 13-08-2019, 12:50   #7
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Forgot to set my recording software before going out this evening, so I have no idea if this signal made it to NZ. It probably did, with 100% decoding!
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DRM receiver museum: CT Digital World Traveller, Morphy Richards 27024, Newstar DR111, Roberts MP-40, UniWave Di-Wave 100
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Old 15-08-2019, 00:21   #8
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KTWR DRM (Channel 1 Audio) towards China, logged for 29 minutes from 1026-1055 UTC. A weak signal around 30 dBV in strength. Max. 10,31 dB SNR and 0,00% decoded audio.

Configuration: 20,06 kbps, EEP, AAC, Mono, English, Religion, Guam, ID:1002
Mode B/10, 2s, 16/64 QAM, P:2/0, A:1/D:0 Timestamp: Wed. Aug.14 10:31:00 UTC+0

Result: Poor reception in Japan.
Attached Images
File Type: png 11995-190814-1026-1053-Hatori.png (37.7 KB, 28 views)
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Old 16-08-2019, 00:48   #9
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15th August 2019

Two logs, one with the DR-111 and one with the FRG-7700. This is the first time I got better results with the DR-111 with a telescopic antenna than on my old workhorse FRG-7700!

KTWR DRM (Channel 1 Audio) towards Japan and Korea, logged for 28 minutes from 102-1054 UTC. (The clock in the DR-111 log for some reason runs slow when logging). The DR-111 was sitting on a table inside the house using its telescopic antenna. Text messages: Open Bible Stories. The ten plagues. Steve Lossing (not necessarily in that order). Max. 19,00 dB SNR and 81,91% decoded audio. Surprisingly good and better than with the FRG-7700! Result: Quite good reception on the telescopic antenna inside my house in Japan.

KTWR DRM (Channel 1 Audio) towards Japan, logged for 29 minutes from 1026-1055 UTC. A moderately strong signal with Fading around 48-48 dBV in strength. There were no visible Text Messages in the DReaM software. Max. 17,06 dB SNR and 10,56,% decoded audio. Data: 20,06 kbps, EEP, AAC, Mono, English, Religion, Guam, ID:1002. Mode B/10, 2s, 16/64 QAM, P:2/0, A:1/D:0 Timestamp: Wed. Aug.15 10:29:00 UTC+0. Audio Spectrum: 5000 Hz. Audio quality: Good, but very chopped up audio. Result: Not so good reception with the FRG-7700, much better with the DR-111.
Attached Images
File Type: png 11995-190815-1027-1054-Hatori.png (39.8 KB, 33 views)
File Type: png 11995-190815-1026-1055-Hatori.png (40.3 KB, 29 views)
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Old 16-08-2019, 02:31   #10
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Quote:
Originally Posted by Digger
This is the first time I got better results with the DR-111 with a telescopic antenna than on my old workhorse FRG-7700!

Result: Not so good reception with the FRG-7700, much better with the DR-111.

Is the antenna that you are using with the FRG-7700 working correctly?
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Old 16-08-2019, 02:40   #11
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Quote:
Originally Posted by AF4MP
Is the antenna that you are using with the FRG-7700 working correctly?

Hi Zyg,
That's what I thought too... but the signal was there. I'll check into it after the Typhoon #10 has passed. The weather was awful last night.
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Old 20-08-2019, 11:08   #12
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11995 kHz, KTWR to ANZ/South Pacific (in Australia)

Hi all,

There was no signal at all received from the back of the beam in Japan.

A fairly strong signal on a Kiwi SDR in Croydon South, Victoria, Australia. Logged for 14 minutes from 1036-1050 UTC. A moderate signal with Fading. Max. 13,21 dB SNR and 29,95% decoded audio. Configuration: 14,06 kbps, KTWR, EEP, aac+, Mono, English, Religion, Guam, ID:1003. Technical: Mode B/10 kHz, 2s, 4/16 QAM, P:1/0, Audio: 1 / Data:0, Time stamp: Tue 20. Aug 10:37:00 UTC+0 (on my screenshot).
Result: Moderate reception in Australia and some decoded audio. Audio Bandwidth: >11000 Hz, but the sound seemed to be muffled. The transmission ended around 10:55:23 UTC
Attached Images
File Type: png 11995-190820-1036-1050-QF22pe.png (37.6 KB, 18 views)
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Last edited by Digger : 21-08-2019 at 01:13. Reason: Changed the log file name
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Old 23-08-2019, 00:10   #13
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22nd Aug. 2019

Newstar DR-111 log:
-------------------
KTWR DRM (KTWR) towards Japan and Korea, logged for 28 minutes from 1027-1055 UTC. The DR-111 was sitting on a table inside the house using its telescopic antenna. Text messages: Joshua 1-17. Open Bible Stories: The promised land, The deliverers * Steve Lossing (not necessarily in that order). Max. 18,00 dB SNR and 71,67% decoded audio. Surprisingly good reception. Result: Quite good reception.

Yaesu FRG-7700 log:
-------------------
KTWR DRM (KTWR) towards Japan, logged for 29 minutes from 1026-1055 UTC. A moderately strong signal with around 34-38 dBV in strength. There were many Text Messages in DReaM (see the DR-111 log). Max. 20,15 dB SNR and 51,75% decoded audio. Meta Data: 16,52 kbps, EEP, AAC, Mono, English, Religion, Guam, ID:1004. Technical: Mode C/10, 2s, 16/64 QAM, P:1/0, A:1/D:0 Timestamp: Thu 22. Aug 10:26:00 UTC+0. Audio Spectrum: 5000 Hz. Audio quality: Good, but audio with several dropouts.
Result: Good reception with the FRG-7700, roughly the same as with the DR-111.
Attached Images
File Type: png 11995-190822-1027-1055-DR-111-Hatori.png (40.7 KB, 25 views)
File Type: png 11995-190822-1026-1055-FRG-7700-Hatori.png (40.4 KB, 22 views)
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Old 30-08-2019, 01:38   #14
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29th Aug. 2019

KTWR DRM (KTWR) towards Japan, logged for 29 minutes from 1026-1055 UTC. A moderately strong signal. There were many Text Messages in the DReaM software. Max. 19,16 dB SNR and 77,34% decoded audio. Meta Data: 16,56 kbps, ID:1004. Technical: Mode B/10, 2s, 16/64 QAM, P:0/0, A:1/D:0 Timestamp: Yes. Audio Spectrum: 11000 Hz. Audio quality: Very clear, good audio. Result: Good reception with the FRG-7700.
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File Type: png 11995-190829-1026-1055-Hatori.png (40.7 KB, 24 views)
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Old 06-09-2019, 05:30   #15
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KTWR DRM broadcast schedule changes

Based on comments received from listeners, KTWR has made following changes in its DRM broadcast schedule :

Effective 12th Sept, 2019 -
11995 kHz 1026-1056UTC Thursday broadcast to Japan/SK will be changed to 9900 kHz 1215-1245 UTC on Thursday.

Effective 15th Sept, 2019 -
11580 kHz 1215-1245 UTC Monday broadcast to South Asia will be changed to 15200 kHz 1026-1056 UTC on Sunday.

11995kHz 1026-1056UTC Wednesday broadcast to China will be unchanged.

11995kHz 1025-1056UTC Tuesday broadcast to Australia will remain suspended.

(Via Mika Sabin)
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