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Author Topic: HM01, September 2017 log  (Read 837 times)
MDK2
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Posts: 1699



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« on: September 01, 2017, 1605 UTC »

To see what this is all about, go here: https://www.hfunderground.com/board/index.php/topic,32334.0.html

All transmissions received in Denver, CO, USA using an SDRplay RSP2pro and a 1m diameter homebrewed magnetic loop antenna

Latest update: 24 September 2017, 21:15 UTC

Date (DDMMYYYY):   Numbers:    File name or repeat:  Frequency (kHz) and time(UTC):
01/09/2017              26865         50162686.f1c *          11435   1600
                               60389         30136038.txt *
                               81507         66218150.txt *
                               23566         06062356.txt *
                               14302         82371430.txt *
                               46165         20174616.txt *

* these files were first transmitted in August. Please see August HM01 log for info, and also for a link to the files. They will not be included in July's folder.
https://www.hfunderground.com/board/index.php/topic,36478.0.html

Date (DDMMYYYY):   Numbers:    File name or repeat:  Frequency (kHz) and time(UTC):
02/09/2017              26866         repeat                      11530   1700
                               08181         35040818.txt
                               86811         73258681.txt
                               23567         repeat
                               14303         repeat
                               46166         repeat

03/09/2017              26867         repeat                      11435   1600
                               08181         repeat
                               86811         repeat
                               23568         repeat
                               14304         repeat
                               46167         repeat

04/09/2017              26868         repeat                      11435   1600
                               08182         repeat
                               86812         repeat
                               56371         12085637.txt
                               14305         repeat
                               46168         repeat

05/09/2017              36351         35503635.txt            11435   1600
                               08183         repeat
                               86813         repeat
                               56371         repeat
                               14306         repeat
                               46169         repeat

Date (DDMMYYYY):   Numbers:    File name or repeat:  Frequency (kHz) and time(UTC):
06/09/2017              36351         repeat                      11530   1700
                               08184         repeat
                               86814         repeat
                               56372         repeat
                               14307         repeat
                               28261         13052826.txt

07/09/2017              36353         repeat                      11530   1700
                               08185         repeat
                               86815         repeat
                               56373         repeat
                               14308         repeat
                               28261         repeat

Note: number group 3635# advanced its final numeral from 1 to 3. Every other group proceeded as expected.

SPECIAL NOTE 08 SEP: G2-G4 level geomagnetic storms have been happening since 2300z 07 SEP, and as of the most recent reading (1500z) the K index is sitting at a level of 8. I can barely hear the Cuban Lady's voice on the 1600/11435 broadcast. I'll likely be able to get the number sets if I'm patient, but if there are any new files it will likely be impossible to copy them with DIGTRX until a later date, when conditions settle down. Will update once I've heard the numbers.

Date (DDMMYYYY):   Numbers:    File name or repeat:  Frequency (kHz) and time(UTC):
08/09/2017              36354         repeat                      11435   1600
                               08186         repeat
                               86816         repeat
                               56374         repeat
                               87741         24018774.txt (rec'd at 17:04 on 11530)
                               28262         repeat

09/09/2017              36355         repeat                      11435   1600
                               08187         repeat
                               86817         repeat
                               56375         repeat
                               87741         repeat
                               28263         repeat

Carrier up by 1555, but no audio at 1558. Broadcast started right with the numbers-and-RFTD portion at 1601, without the numbers-only portion. Momentary cut-out at 1602.


10/09/2017  - so far, as of 1618 UTC, there has been no signal of any kind on 11435. Will keep monitoring.
           UPDATE 1630 - Just realized that a big solar flare hit not to long ago, R3 radio blackout in effect.
           UPDATE 2104 - 11635 on now, extremely weak. Weird propagation - MWV on with a great copy at this time on 11610.
           UPDATE 2129 - audio was building during first part of 11635/2100 broadcast, and was able to copy four number groups before that part ended. The carrier was gaining strength during the 10 minutes of silence when it suddenly disappeared. Still waiting for it to return.
           UPDATE 11/9 0352: finally was able to hear all the number groups with some effort at 2200, but no chance of decoding RDFT.

Date (DDMMYYYY):   Numbers:    File name or repeat:  Frequency (kHz) and time(UTC):
10/09/2017              36356         repeat                      10715   2200
                               74231         07327423.txt (not received til 11/09)
                               86818         repeat
                               56376         repeat
                               87742         repeat
                               28264         repeat

NOTE: I did listen in for the 0500 and 0600 broadcasts for 11/9 (still part of the same "HM01 day" that starts at 1600 and goes through the 1000 broadcast of the following UTC day) but there was nothing at all, just as all known Radio Habana Cuba broadcasts were missing.

11/09/2017 - No broadcasts at 1600 or 1700 (RHC was missing from its known frequencies as well). At 1800 the carrier for 11635 was there (as was RHC's 15140 transmission) but as of 1816 nothing has yet been transmitted.
                 UPDATE 1834 - off
                 UPDATE 2215 - finally on for 2100/11635 and 2200/10715 broadcasts. Very strong signals.

11/09/2017              36357         repeat                      10715   2200
                               74231         repeat
                               65651         77806565.txt
                               56377         repeat
                               87743         repeat
                               28265         repeat

12/09/2017              06871         38210687.txt            11635   1800
                               74232         repeat
                               65651         repeat
                               56378         repeat
                               87744         repeat
                               28266         repeat

13/09/2017              06871         repeat                      11435   1600
                               674233         repeat
                               65652         repeat
                               56379         repeat
                               87745         repeat
                               28267         repeat

14/09/2017              06872         repeat                      17480   2200
                               74234         repeat
                               65653         repeat
                               85541         68448554.txt
                               87746         repeat
                               28268         repeat

15/09/2017              06873         repeat                      11435   1600
                               74235         repeat
                               65654         repeat
                               85541         repeat
                               87747         repeat
                               28269         repeat

16/09/2017              06873         repeat                      11435   1600
                               74235         repeat
                               65654         repeat
                               85541         repeat
                               87747         repeat
                               28269         repeat

For the first time in the month of September, HM01 is repeating the prior day's transmission. The signal for this time slot is much improved, compared to what was typical prior to Irma. S9+10, only minor fades.

Date (DDMMYYYY):   Numbers:    File name or repeat:  Frequency (kHz) and time(UTC):
17/09/2017              06873         repeat                      11635   2100
                               74235         repeat
                               65654         repeat
                               85541         repeat
                               87747         repeat
                               28269         repeat

Also listened at 1600/11435, 1700/11530, and 1800/11635. The 1600/11435 broadcast was entirely Radio Habana Cuba audio - no HM01 at all. When they switched to 11530 that continued for a little bit, but then they got the HM01 broadcast transmitted. Still repeating September 15's numbers.

18/09/2017              06873         repeat                      11435   1600
                               74235         repeat
                               65654         repeat
                               85541         repeat
                               87747         repeat
                               28269         repeat

Still transmitting September 15's numbers and files

19/09/2017              06874         repeat                      11435   1600
                               74236         repeat
                               65655         repeat
                               85542         repeat
                               87748         repeat
                               45331         45254533.txt

Advancing from September 15's sets finally.

20/09/2017              06875         repeat                      11435   1600
                               74237         repeat
                               65656         repeat
                               85543         repeat
                               08781         74550878.txt
                               45331         repeat

21/09/2017              06876         repeat                      17480   2200
                               17381         36301738.f1g
                               65657         repeat
                               85544         repeat
                               08781         repeat
                               45332         repeat

22/09/2017              06877         repeat                      11435   1600
                               17381         repeat
                               65658         repeat
                               85545         repeat
                               08782         repeat
                               45333         repeat

There have been some technical difficulties with this broadcast (signal on and off, broadcast with numerous false starts, and an extremely weak carrier for minutes at a time), but I did get to hear all the number groups.

Date (DDMMYYYY):   Numbers:    File name or repeat:  Frequency (kHz) and time(UTC):
23/09/2017              06878         repeat                      11435   1600
                               17382         repeat
                               65659         repeat
                               85546         repeat
                               08783         repeat
                               45334         repeat

24/09/2017              34741         36283474.f1g            11635   2100
                               17383         repeat
                               86121         36128612.f1g
                               85547         repeat
                               08784         repeat
                               45335         repeat
« Last Edit: Today at 21:15 by MDK2 » Logged

Denver, CO.
Grundig Satellit 750, Tecsun PL-600, SDRPlay RSP2 Pro.
two homebrewed mag loops (10' and 15' circumference).
Soon to include RA0SMS mini-whip, but need mounting before that goes online.
eQSL's appreciated, wickerjennie (at) gmail
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