Shortwave (HF) radio intercepts received in Central Arizona, grid square DM43ff. Unless otherwise noted, intercepts are received on an Airspy HF+ Discovery Software Defined Radio (SDR) driven by a 60 ft longwire antenna and SDR Console V3 software.
Loggings and discussion of many of these intercepts are at https://www.hfunderground.com



Long Dasher 7953.4 KHz 20MAY25 02:57 Z
1:11
Long Dasher 7953.4 KHz 20MAY25 02:57 Z
Unknown Beacon 26999.78 KHz 19MAY25 18:54 Z
1:34
Unknown Beacon 26999.78 KHz 19MAY25 18:54 Z
Pirate Beacon 6961 KHz 16MAY25 03:17 Z
1:05
Pirate Beacon 6961 KHz 16MAY25 03:17 Z
10 meter band RF squiggles 28000-28400 KHz 12FEB25 18:28z
1:35
10 meter band RF squiggles 28000-28400 KHz 12FEB25 18:28z
NDB MA 326.0 KHz 04JAN25 03:28 Z
0:31
NDB MA 326.0 KHz 04JAN25 03:28 Z
NDB RO 305.0 KHz 04JAN25 03:21 Z
0:28
NDB RO 305.0 KHz 04JAN25 03:21 Z
Russian MX Beacons F & K 20048.20 & 20048.30 KHz 28OCT24 01:52 Z
0:34
Russian MX Beacons F & K 20048.20 & 20048.30 KHz 28OCT24 01:52 Z
NDB RYN 338.0 KHz 23OCT24 00:39 Z
0:34
NDB RYN 338.0 KHz 23OCT24 00:39 Z
DSL Interference 3.8 - 5.1 MHz
0:34
DSL Interference 3.8 - 5.1 MHz
Electric Fence Interference
0:22
Electric Fence Interference
Russian MX Beacon K 20048.30 KHz 28AUG24 01:12z
1:00
Russian MX Beacon K 20048.30 KHz 28AUG24 01:12z
AN 13563.70 04AUG24 17:48 Z
0:54
AN 13563.70 04AUG24 17:48 Z
Coastal Marker XSG Shanghai Radio, China 16898.50 KHz 27JUN24 19:35z
1:04
Coastal Marker XSG Shanghai Radio, China 16898.50 KHz 27JUN24 19:35z
RDL - Russian military RTTY - signal splattering badly. 13558.00 KHz 07JUN24 13:38z
1:00
RDL - Russian military RTTY - signal splattering badly. 13558.00 KHz 07JUN24 13:38z
Beacon KOK 3579.00 KHz 18MAR2024 03:31z
1:25
Beacon KOK 3579.00 KHz 18MAR2024 03:31z
Dasher Beacon 8138.85 KHz 11MAR24 02:29z
1:01
Dasher Beacon 8138.85 KHz 11MAR24 02:29z
Peskies whistling and chatting on top of one another. 8281.25 KHz 09MAR24 04:57z
2:00
Peskies whistling and chatting on top of one another. 8281.25 KHz 09MAR24 04:57z
PLUTO Over The Horizon Radar - 8705.00 KHz (20 KHz bandwidth) 08MAR24 04:27z
1:00
PLUTO Over The Horizon Radar - 8705.00 KHz (20 KHz bandwidth) 08MAR24 04:27z
Russian MX Beacon F 20048.20 KHz 08MAR24 02:45z
0:59
Russian MX Beacon F 20048.20 KHz 08MAR24 02:45z
Coastal Marker XSQ Guangzhou Radio, China 12648.50 KHz 05MAR24 14:15z
0:55
Coastal Marker XSQ Guangzhou Radio, China 12648.50 KHz 05MAR24 14:15z
Multiple voices chanting 6985.00 KHz 05MAR24 13:40z
2:01
Multiple voices chanting 6985.00 KHz 05MAR24 13:40z
HIKER beacon, very strong 7998.16 KHz 25FEB24 22:27z
1:04
HIKER beacon, very strong 7998.16 KHz 25FEB24 22:27z
TAH with unusual signal 8431.00 KHz 18FEB24 03:59z
1:00
TAH with unusual signal 8431.00 KHz 18FEB24 03:59z
11 Meter Citizen Band Skip with squiggles 26965-27405 KHz 05FEB24 18:25z
1:01
11 Meter Citizen Band Skip with squiggles 26965-27405 KHz 05FEB24 18:25z
HIKER beacon sending chirpy S followed by long dash 7998.20 KHz 11JAN24 14:52z
1:03
HIKER beacon sending chirpy S followed by long dash 7998.20 KHz 11JAN24 14:52z
HIKER beacon sending both DITS and S - 7998.20 KHz 11JAN24 14:31z
1:00
HIKER beacon sending both DITS and S - 7998.20 KHz 11JAN24 14:31z
DW Desert Whooper Beacon 4095.72 KHz 11JAN24 13:39z
2:05
DW Desert Whooper Beacon 4095.72 KHz 11JAN24 13:39z
Ditter beacon 8000.34 KHz 09JAN24 00:04z
1:01
Ditter beacon 8000.34 KHz 09JAN24 00:04z
Fast Ditter 8194.58 KHz 05JAN24 18:16z
1:04
Fast Ditter 8194.58 KHz 05JAN24 18:16z
Dasher beacon 8000.40 KHz 18DEC23 22:58z with S beacon in the bandpass
1:01
Dasher beacon 8000.40 KHz 18DEC23 22:58z with S beacon in the bandpass