Topics

241

WEFAX and SSTV / USCG NMF (Boston) 9110 USB WEFAX 2130 UTC 20 DEC 2022

« on: December 20, 2022, 2207 UTC »

USCG NMF Boston, Massachusetts, U.S.A. 9110.0 kHz USB WEFAX 21:30 UTC 20 DEC 2022

Good S+10 signal with some occasional interference from an ALE network slightly bellow the frequency.

21:30 UTC - Surface analysis charts;
21:51 UTC - Satellite image.

Decoded with Black Cat HF Weather Fax.




RSPduo | Barker & Williamson T2FD antenna

242

Peskies / UNID Peskies 11155.5 USB 2330 UTC 19 DEC 2022

« on: December 19, 2022, 2334 UTC »

UNID Peskies 11155.5 kHz USB 23:30 UTC 19 DEC 2022

23:30 UTC - A couple of Peskies carrying on a conversation.

RSPduo | Barker & Williamson T2FD antenna

243

Other / UNID 11184 CW 1250 UTC 19 DEC 2022

« on: December 19, 2022, 1548 UTC »

UNID 11184.0 kHz CW 12:50 UTC 19 DEC 2022

12:50 UTC - UNID fast paced CW marker beacon type transmission repeating approx. ever 60 seconds.

Sample recording:
UNID 11184.0 kHz CW 12:50 UTC 19 DEC 2022

Note: 11184.0 kHz USB is the Reykjavik, Iceland HFDL frequency.

RSPduo | Barker & Williamson T2FD antenna

244

HF Mystery Signals / The Swath 7880 (C) 0028 UTC 19 DEC 2022

« on: December 19, 2022, 0038 UTC »

The Swath 7880.0 kHz (centre) 00:28 UTC 19 DEC 2022

It appears as the energy swath (presumed High Frequency Trading (HFT)) on 7880.0 kHz (centre) is now on CHU's front door causing some marginal interference.



RSPduo | Barker & Williamson T2FD antenna

245

Utility / ASCOT 6695 11175 USB 2117 UTC 18 DEC 2022

« on: December 18, 2022, 2131 UTC »

ASCOT 6695 11175.0 kHz USB 21:17 UTC 18 DEC 2022

21:17 UTC - ASCOT 6695 calling MAIN SAIL with message; no response;
21:18 UTC - ASCOT 6695 calling MAIN SAIL with message; nothing else heard.

Note: This is an RAF Air Support Command Operational Task aircraft.

RSPduo | Barker & Williamson T2FD antenna

246

Utility / HFDL Log - 8977.0 kHz

« on: December 18, 2022, 1318 UTC »

13:08 UTC 18 DEC 2022 - HFDL station Reykjavik, Iceand
Weak barely readable and tracking 2 aircraft.

AIR 13:12:40 UTC FLT UAL56  ICAO A05646 AID LAT 55 23 23  N  LON 43 44 9  W
AIR 13:16:40 UTC FLT VIR24M ICAO 407131 AID LAT 62 4 11  N   LON 47 44 31  W

[HF GROUND STATION CHANGE -> REYKJAVIK - ICELAND]
[Preamble TS(10) 300  bps 1.8 sec Interleaver FREQ ERR 2.71 Hz Mag 24 Votes 7 ][OK]
GND 13:08:48 UTC REYKJAVIK - ICELAND  DB = 51  SV = 0  GS UP LIGHT  OFFSET 0
REYKJAVIK - ICELAND UTC LOCKED Active freqs (Hz)    15025 KHz    11184 KHz     8977 KHz
MUAN - SOUTH KOREA UTC LOCKED Active freqs (Hz)    13342 KHz     8939 KHz
ALBROOK - PANAMA UTC LOCKED Active freqs (Hz)    10063 KHz

RSPduo | Barker & Williamson T2FD antenna

247

Other / UNID 8988 AM 1330 UTC 17 DEC 2022

« on: December 17, 2022, 1343 UTC »

UNID 8988.0 kHz AM 13:30 UTC 17 DEC 2022

13:30 UTC - UNID station with short 3 second AM carrier bursts, no modulation, every 27 seconds.

RSPduo | Barker & Williamson T2FD antenna

248

Shortwave Broadcast / CNR1 6865 AM 1255 17 DEC 2022

« on: December 17, 2022, 1309 UTC »

CNR1 6865.0 kHz AM 12:55 17 DEC 2022

12:55 UTC - Good S8 copy on the station with Chinese broadcast;
12:59 UTC - Time pips;
13:00 UTC - Station ID followed by start of programming then went off the air.

Notes:
(1) A very faint; weak unreadable station could be heard on this frequency after the transmitter was switched at 13:00 UTC. This may be the same station but with a change of antenna beam direction or may be in fact SOH Xi Wang Zhi Sheng.

(2) The EiBi database has this labelled as CNR1 and the Short-Wave database labels it as SOH Xi Wang Zhi Sheng.

RSPduo | Barker & Williamson T2FD antenna

249

Utility / UNID 8994 STANAG 4481 0204 UTC 17 DEC 2022

« on: December 17, 2022, 0257 UTC »

UNID 8994.0 kHz (centre) STANAG 4481 02:04 UTC 17 DEC 2022

02:04 UTC - UNID STANAG 4481 (RTTY) station loud and clear and currently in an idle state, constantly repeating sync information / vectors. No traffic being passed. The station is reported to originate from Davidsonville, MD.
13:15 UTC - The station is still idle with no traffic and a whopping S+10 ~ S+20 signal.
         Detected KG-84C SYNC with 100% confidence
         Initialization vectors: F588E350A01B0A08 D08A1D0800F42807
00:00 UTC 18 DEC 2022 - The station appears to have gone silent.

Obviously, this is causing some degree of havoc with the 8992.0 kHz USB HFGCS channel.




RSPduo | Barker & Williamson T2FD antenna

250

North American Shortwave Pirate / BallSmacker Radio 4030 AM 0158 UTC 17 DEC 2022

« on: December 17, 2022, 0158 UTC »

BallSmacker Radio 4030.0 kHz AM 01:58 UTC 17 DEC 2022

01:58 UTC - Carrier is up; very weak with interval signal;
02:00 UTC - Broadcast begins; unreadable.

Monitoring also available via the live stream: BallSmacker Radio
eQSL and reception report via the e-mail address provided at BallSmacker Radio

RSPduo | Barker & Williamson T2FD antenna

251

HF Mystery Signals / UNID 10002 UNID Mode 2132 UTC 15 DEC 2022

« on: December 15, 2022, 2145 UTC »

UNID 10002.0 kHz (centre) UNID Mode 21:32 UTC 15 DEC 2022

21:32 UTC - UNID with a very strong UNID mode signal adjacent to the 10 MHz WWV signal. The signal is causing interference with WWV.
21:59 UTC - UNID stopped transmitting.

Reception also confirmed on North American Kiwi SDR receivers.




RSPduo | Barker & Williamson T2FD antenna

252

Utility / HFDL Log - 13276.0 kHz

« on: December 15, 2022, 2120 UTC »

21:14 UTC 15 DEC 2022 - HFDL station Riverhead, New York
Good readable and tracking 12 aircrafts.

[HF GROUND STATION CHANGE -> RIVERHEAD - NEW YORK]
[Preamble TS(6) 300  bps 1.8 sec Interleaver FREQ ERR -1.69 Hz Mag 69 Votes 0 ][OK]
 GND 21:14:52 UTC RIVERHEAD - NEW YORK  DB = 51  SV = 0  GS UP LIGHT  OFFSET 5
RIVERHEAD - NEW YORK UTC LOCKED Active freqs (Hz)    13276 KHz    11387 KHz
CANARIAS - SPAIN  UTC LOCKED Active freqs (Hz)    17928 KHz    11348 KHz
SAN FRANCISCO - CALIFORNIA UTC LOCKED Active freqs (Hz)    21934 KHz    17919 KHz

LPDU ACK codes
ACK S11(N-3) ID 00 
ACK S12(N-3) ID 00 
ACK S01(N-2) ID 00 
ACK S02(N-2) ID 17 
ACK S03(N-2) ID 00 
ACK S04(N-2) ID 00 
ACK S05(N-2) ID 00 
ACK S06(N-2) ID 00 
ACK S07(N-2) ID 00 
ACK S08(N-2) ID 00 
ACK S09(N-2) ID 00 
ACK S10(N-2) ID 00 
ACK S11(N-2) ID 00 
ACK S12(N-2) ID 32 
ACK S01(N-1) ID 00 
ACK S02(N-1) ID 00 
ACK S03(N-1) ID 00 
ACK S04(N-1) ID 00 
ACK S05(N-1) ID 00 
ACK S06(N-1) ID 00 
ACK S07(N-1) ID 1A  ACK(1)
ACK S08(N-1) ID 00 
ACK S09(N-1) ID 32  ACK(1)
ACK S10(N-1) ID 00 
Slot assignment codes
ASN S03 (N+0) Random Access
ASN S04 (N+0) Uplink or not assigned
ASN S05 (N+0) Random Access
ASN S06 (N+0) Random Access
ASN S07 (N+0) Random Access
ASN S08 (N+0) Random Access
ASN S09 (N+0) Random Access
ASN S10 (N+0) Random Access
ASN S11 (N+0) Random Access
ASN S12 (N+0) Random Access
ASN S01 (N+1) Random Access
ASN S02 (N+1) Random Access
Frame Index = 2390 * Frame offset = 5
Lowest Priority accepted 0
00 84 56 59 00 00 00 32 71 11 00 00 00 00 00     ..V Y ...2 q ......
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ...............
00 00 00 00 1A 01 00 32 01 00 FE 00 FE FE FE     .......2 .......
FE FE FE FE FE FE FE 00 33 C0 00 00 91 0A 00     ........3 ......
10 38 00 00 6C D0 00             .8 ..l ..

RSPduo | Barker & Williamson T2FD antenna

253

Utility / HFDL Log - 21934.0 kHz

« on: December 15, 2022, 2043 UTC »

20:38 UTC 15 DEC 2022 - HFDL station San Francisco, California
Good readable and tracking 16 aircrafts.

[HF GROUND STATION CHANGE -> SAN FRANCISCO - CALIFORNIA]
[Preamble TS(1) 300  bps 1.8 sec Interleaver FREQ ERR -30.63 Hz Mag 42 Votes 0 ][OK]
 GND 20:38:01 UTC SAN FRANCISCO - CALIFORNIA  DB = 51  SV = 0  GS UP HEAVY  OFFSET 4
SAN FRANCISCO - CALIFORNIA UTC LOCKED Active freqs (Hz)    21934 KHz    17919 KHz
CANARIAS - SPAIN  UTC LOCKED Active freqs (Hz)    17928 KHz    11348 KHz
MOLOKAI - HAWAII UTC LOCKED Active freqs (Hz)    21937 KHz    13324 KHz    10027 KHz

LPDU ACK codes
ACK S11(N-3) ID 2C  ACK(1)
ACK S12(N-3) ID 00 
ACK S01(N-2) ID 00 
ACK S02(N-2) ID 00  ACK(1)
ACK S03(N-2) ID 00 
ACK S04(N-2) ID 00 
ACK S05(N-2) ID 1B  ACK(1)
ACK S06(N-2) ID 00 
ACK S07(N-2) ID 00  ACK(1)
ACK S08(N-2) ID 2B  ACK(1)
ACK S09(N-2) ID 00 
ACK S10(N-2) ID 00 
ACK S11(N-2) ID 36  ACK(123)
ACK S12(N-2) ID 37  ACK(12)
ACK S01(N-1) ID C8  ACK(1)
ACK S02(N-1) ID 00 
ACK S03(N-1) ID 00 
ACK S04(N-1) ID 00 
ACK S05(N-1) ID 00 
ACK S06(N-1) ID 00 
ACK S07(N-1) ID 00 
ACK S08(N-1) ID 00 
ACK S09(N-1) ID 00 
ACK S10(N-1) ID 00 
Slot assignment codes
ASN S03 (N+0) Random Access
ASN S04 (N+0) AIR ID 0D
ASN S05 (N+0) AIR ID 22
ASN S06 (N+0) Random Access
ASN S07 (N+0) AIR ID 38
ASN S08 (N+0) AIR ID CE
ASN S09 (N+0) Random Access
ASN S10 (N+0) Random Access
ASN S11 (N+0) AIR ID D7
ASN S12 (N+0) Random Access
ASN S01 (N+1) Random Access
ASN S02 (N+1) Random Access
Frame Index = 2321 * Frame offset = 4
Lowest Priority accepted 0
10 81 11 49 2C 01 00 00 80 12 00 00 00 1B 01     ...I ...........
00 27 B1 12 00 00 00 36 77 33 C8 01 00 00 00     .......6 w 3 .....
00 00 00 00 00 00 00 00 00 00 FE 0D 22 FE 38     ..............8
CE FE FE D7 FE FE FE 00 33 30 00 00 91 0A 00     ........3 0 .....
20 58 08 00 F9 7B 00             .X .....

RSPduo | Barker & Williamson T2FD antenna

254

Utility / HFDL Log - 21997.0 kHz

« on: December 15, 2022, 2036 UTC »

20:26 UTC 15 DEC 2022 - HFDL station Santa Cruz, Bolivia
Good readable and tracking 26 aircrafts.

[Preamble TS(0) 300  bps 1.8 sec Interleaver FREQ ERR -0.58 Hz Mag 29 Votes 17 ][OK]
GND 20:27:19 UTC SANTA CRUZ - BOLIVIA  DB = 51  SV = 0  GS UP LIGHT  OFFSET 3
SANTA CRUZ - BOLIVIA UTC LOCKED Active freqs (Hz)    21997 KHz    11318 KHz
BARROW - ALASKA UTC LOCKED Active freqs (Hz)    10093 KHz     5544 KHz
MUAN - SOUTH KOREA UTC LOCKED Active freqs (Hz)     6619 KHz     5502 KHz

LPDU ACK codes
ACK S11(N-3) ID 00 
ACK S12(N-3) ID 00 
ACK S01(N-2) ID 00 
ACK S02(N-2) ID CB  ACK(1)
ACK S03(N-2) ID FF LOGON ACK(1)
ACK S04(N-2) ID 00 
ACK S05(N-2) ID 99 IBE332 ACK(1)
ACK S06(N-2) ID 00 
ACK S07(N-2) ID 9A  ACK(1)
ACK S08(N-2) ID 00  AM352 ACK(1234)
ACK S09(N-2) ID CB  ACK(1)
ACK S10(N-2) ID FF 
ACK S11(N-2) ID 00 
ACK S12(N-2) ID CF AVA184 ACK(123)
ACK S01(N-1) ID 00 
ACK S02(N-1) ID 00 
ACK S03(N-1) ID 00 
ACK S04(N-1) ID 00 
ACK S05(N-1) ID 00 
ACK S06(N-1) ID CF AVA184 ACK(123)ACK S07(N-1) ID 00 
ACK S08(N-1) ID 00 
ACK S09(N-1) ID D8 AV9411
ACK S10(N-1) ID 00  ACK(1)
Slot assignment codes
ASN S03 (N+0) Random Access
ASN S04 (N+0) AIR ID 74
ASN S05 (N+0) AIR ID B3
ASN S06 (N+0) Random Access
ASN S07 (N+0) AIR ID B4
ASN S08 (N+0) AIR ID C2
ASN S09 (N+0) Random Access
ASN S10 (N+0) Random Access
ASN S11 (N+0) AIR ID C8
ASN S12 (N+0) AIR ID D1
ASN S01 (N+1) Uplink or not assigned
ASN S02 (N+1) Random Access
Frame Index = 2301 * Frame offset = 3
Lowest Priority accepted 0
00 8D FD 38 00 00 00 00 B0 1C FF 01 00 99 01     ...8 ...........
00 9A C1 FB DA 01 00 00 F0 7C 00 00 00 00 00     ...............
00 00 00 00 00 00 00 D8 C1 1D FE 74 B3 FE B4     ...........t ...
C2 FE FE C8 D1 00 FE 00 33 90 00 00 89 20 04     ........3 ......
A0 08 06 00 90 22 00             .......

RSPduo | Barker & Williamson T2FD antenna

255

Shortwave Broadcast / Radio Kuwait Digital 15110 DRM 1315 UTC 15 DEC 2022

« on: December 15, 2022, 1325 UTC »

Radio Kuwait Digital 15110.0 kHz DRM 13:15 UTC 15 DEC 2022

13:15 UTC - Radio Kuwait in DRM mode. Good strong signal but I could not get a good lock on the channel with MSC CRC error.

RSPduo | Barker & Williamson T2FD antenna