GM5RDX — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving GM5RDX, decoded by SO8OO in southeastern Poland. 335 related FT8 messages, 152 CQ messages, observed on 60m, 40m, 20m, 10m, across 34 UTC dates. Heard between 2026-05-11 and 2026-08-07.
These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.
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Overview
Frequent QSO partners observed at SO8OO
Stations GM5RDX worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by GM5RDX
Approximate centre of IO75, decoded 2026-08-10 18:49 UTC. A transmitted locator is not proof of the operator's permanent location.
Observed FT8 exchanges
S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.
| Time UTC | Band | GM5RDX S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-10 18:49 | 20m | -2 / - | 7Z1BQ | - / - | 2 | Partial capture |
| 08-10 18:36 | 20m | -5 / - | ON1DGN | - / -8 | 2 | Partial capture |
| 08-07 22:17 | 20m | -4 / - | TN8GD | - / - | 2 | Partial capture |
| 08-07 22:15 | 20m | -5 / -1 | 7X5CY | -4 / +6 | 4 | ✓ Full exchange observed |
| 08-07 18:46 | 20m | -6 / - | 5Z4VJ | - / - | 7 | Partial capture |
| 08-06 17:09 | 20m | -4 / - | BV2NF | - / - | 6 | Partial capture |
| 08-05 21:56 | 20m | -6 / -4 | 7X5CY | +2 / - | 3 | Partial capture |
| 08-04 16:21 | 20m | - / -12 | YO9IAB | -10 / - | 3 | ✓ Closing fragment |
| 08-04 14:10 | 20m | - / -14 | RZ3EM | -15 / - | 2 | ✓ Closing fragment |
| 07-28 22:52 | 20m | -1 / - | TN8GD | - / - | 9 | Partial capture |
| 07-25 11:32 | 10m | - / - | PA3DNR | 0 / - | 2 | Partial capture |
| 07-25 11:31 | 10m | - / - | DK8EE | -17 / - | 4 | Partial capture |
| 07-25 11:28 | 10m | - / - | DJ3HW | +2 / - | 4 | ✓ Closing fragment |
| 06-22 15:01 | 10m | - / -16 | IQ4JO | -8 / - | 2 | ✓ Closing fragment |
| 06-18 04:52 | 20m | - / -15 | SV1AIN | -4 / - | 16 | Partial capture |
| 06-15 22:22 | 20m | -7 / - | 5Z4VJ | - / - | 5 | Partial capture |
| 06-15 16:36 | 20m | -4 / - | DL6EL | - / -3 | 2 | ✓ Closing fragment |
| 06-15 16:34 | 20m | 0 / - | OE1AES | - / -10 | 2 | ✓ Closing fragment |
| 06-15 16:30 | 20m | +6 / -19 | DL8WEM | -6 / -17 | 7 | ✓ Full exchange observed |
| 06-15 16:28 | 20m | +2 / - | HA0NDN | - / -6 | 2 | ✓ Closing fragment |
| 06-15 16:25 | 20m | +2 / - | OH2DHH | -15 / -16 | 3 | ✓ Closing observed |
| 06-15 12:44 | 20m | -2 / - | IN3LHF | - / -19 | 2 | Partial capture |
| 06-15 12:42 | 20m | 0 / - | PD1ADA | - / -17 | 2 | ✓ Closing fragment |
| 06-15 12:39 | 20m | 0 / - | <...> | - / - | 3 | Partial capture |
| 06-14 22:06 | 20m | -10 / - | PW8BR | - / - | 2 | Partial capture |
| 06-14 22:03 | 20m | -5 / - | KP4QVQ | - / - | 4 | Partial capture |
| 06-14 22:00 | 20m | -9 / - | CE2SV | - / -9 | 5 | ✓ Closing fragment |
| 06-12 18:24 | 20m | -13 / - | VK3JA | - / - | 2 | Partial capture |
| 06-12 08:06 | 20m | -1 / -5 | GU0SUP | +5 / +6 | 6 | ✓ Full exchange observed |
| 06-10 23:14 | 20m | +5 / - | 9X5KM | - / - | 15 | Partial capture |
| 06-10 23:13 | 20m | +4 / - | CO8LY | - / - | 2 | Partial capture |
| 06-09 22:49 | 60m | -8 / - | CT1APN | -5 / - | 3 | ✓ Closing observed |
| 06-09 22:47 | 60m | -7 / - | EA8BBJ | - / -13 | 4 | ✓ Closing fragment |
| 06-09 22:45 | 60m | - / -7 | OO0O | -2 / - | 2 | ✓ Closing fragment |
| 06-08 22:27 | 20m | - / - | SV1TNK | -2 / - | 2 | Partial capture |
| 06-08 22:21 | 20m | +12 / - | K9ALH | - / -19 | 4 | ✓ Closing fragment |
| 06-08 20:40 | 20m | - / - | ON7DE | -16 / - | 5 | Partial capture |
| 06-08 20:37 | 20m | -4 / - | F4LER | - / -18 | 2 | ✓ Closing fragment |
| 06-08 20:36 | 20m | -2 / - | DL6ZW | - / 0 | 2 | ✓ Closing fragment |
| 06-07 18:29 | 20m | - / - | IW5ALZ | +4 / - | 2 | Partial capture |
| 06-06 22:57 | 20m | - / -5 | N8HRZ | -1 / - | 3 | ✓ Closing fragment |
| 06-06 20:46 | 20m | +2 / -24 | F4BHK | 0 / -15 | 4 | ✓ Full exchange observed |
| 06-06 20:43 | 20m | -8 / -6 | TF3VS | -5 / -4 | 5 | ✓ Full exchange observed |
| 06-03 22:41 | 40m | -13 / - | OJ0Z | - / - | 2 | Partial capture |
| 06-03 22:36 | 40m | -12 / - | MU9XPN | - / - | 2 | Partial capture |
| 06-02 22:46 | 20m | -7 / - | CP7DX | - / - | 7 | Partial capture |
| 06-02 22:23 | 20m | +6 / - | 3W9A | - / - | 15 | Partial capture |
| 06-02 22:13 | 20m | +10 / -20 | 3W9A | +2 / -11 | 10 | Partial capture |
| 06-02 21:36 | 20m | +7 / - | 3W9A | - / - | 5 | Partial capture |
| 05-31 16:27 | 20m | +4 / - | JY5CG | - / - | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 184930 -2 3029 5Z4VJ GM5RDX IO75 221545 -5 277 7X5CY GM5RDX IO75 221600 -4 414 GM5RDX 7X5CY -01 221615 -5 277 7X5CY GM5RDX R+06 221630 -5 414 GM5RDX 7X5CY RR73 221715 -4 277 TN8GD GM5RDX IO75 (x2) 221815 -4 3006 9Y4C GM5RDX IO75 184345 -6 2950 XV9T GM5RDX IO75 183600 -4 2944 JA3FYC GM5RDX IO75 183630 -6 3021 ON1DGN GM5RDX R-08 (x2) 183900 -9 3022 7Z1BQ GM5RDX IO75 (x3)
UTC dB Audio Message 150100 -8 2640 GM5RDX IQ4JO R-16 (x2) 152230 -15 2340 GM5RDX ON4WV -10 152600 -16 2515 GM5RDX PG9S JO32 112845 +9 876 GM5RDX DJ3HW JO30 (x2) 112945 -5 2979 GM5RDX DO7JG JO60 112945 +3 877 GM5RDX DJ3HW JO30 (x2) 113145 -21 1887 GM5RDX DK8EE JO41 113245 +1 2721 GM5RDX PA3DNR JO21 (x2) 113345 -18 1887 GM5RDX DK8EE JO41 (x3)
UTC dB Audio Message 223045 -10 431 CQ GM5RDX IO75 a1 (x4) 224545 -1 529 GM5RDX OO0O -07 (x2) 224730 -8 432 EA8BBJ GM5RDX IO75 (x4) 224930 -10 431 CQ GM5RDX IO75 224945 -5 431 GM5RDX CT1APN IM59 225030 -8 432 CT1APN GM5RDX RR73 225045 -5 431 GM5RDX CT1APN 73 225345 -6 1789 GM5RDX II3RPAD -08
UTC dB Audio Message 215915 -8 2937 CQ GM5RDX IO75 220215 -9 2937 ON4MAP GM5RDX RR73 223415 -8 2978 <HB0/DL2SBY> GM5RDX IO75 223430 +6 374 GM5RDX HB0/DL2SBY -07 223430 +9 2806 GM5RDX EA3EDU -12 223445 -9 2978 HB0/DL2SBY GM5RDX R-08 223530 +9 2806 GM5RDX EA3EDU -12 223545 -9 2979 EA3EDU GM5RDX R-04 223600 +10 2806 GM5RDX EA3EDU RR73 230700 -11 2932 CQ GM5RDX IO75 a1 223615 -14 2883 MU9XPN GM5RDX IO75 (x2) 223715 -14 2884 OJ0Z GM5RDX IO75 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.