F4MMU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F4MMU, decoded by SO8OO in southeastern Poland. 222 related FT8 messages, 84 CQ messages, observed on 20m, 10m, across 37 UTC dates. Heard between 2026-05-25 and 2026-08-23.
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 F4MMU worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by F4MMU
Approximate centre of JN26, decoded 2026-08-23 06:14 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 | F4MMU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 05:38 | 20m | -2 / - | ZL3OY | - / - | 2 | Partial capture |
| 08-22 05:35 | 20m | +4 / - | VK3JMA | - / - | 2 | Partial capture |
| 08-22 05:27 | 20m | -10 / - | VK2ZZY | - / -17 | 2 | ✓ Closing fragment |
| 08-17 09:33 | 10m | - / - | F5NIB | +1 / - | 4 | Partial capture |
| 08-15 20:01 | 20m | -7 / - | K8USN | - / -20 | 3 | Partial capture |
| 08-15 20:00 | 20m | -8 / - | SA0WAE | - / -8 | 2 | ✓ Closing fragment |
| 08-15 19:57 | 20m | -9 / - | DJ0MAB | - / -11 | 3 | Partial capture |
| 08-15 19:56 | 20m | - / -5 | OE9RWH | -13 / - | 3 | ✓ Closing fragment |
| 08-15 19:53 | 20m | -10 / -14 | HS0ZOY | -3 / -4 | 3 | ✓ Full exchange observed |
| 08-15 19:49 | 20m | -6 / - | <...> | - / -16 | 2 | Partial capture |
| 08-15 19:42 | 20m | - / +3 | CS8ABF | -4 / - | 2 | ✓ Closing fragment |
| 08-15 19:39 | 20m | -9 / - | SP6FCQ | - / -10 | 3 | ✓ Closing fragment |
| 08-10 16:27 | 10m | - / - | SV0LS | -10 / - | 2 | Partial capture |
| 08-09 12:01 | 10m | -22 / - | G4MQL | - / -10 | 2 | ✓ Closing fragment |
| 07-31 05:58 | 10m | -19 / - | 4X1AJ | - / -11 | 3 | ✓ Closing fragment |
| 07-31 05:56 | 10m | -21 / - | HS0ZOY | - / -13 | 3 | ✓ Closing fragment |
| 07-30 20:16 | 10m | -20 / - | HI8UD | - / -14 | 2 | Partial capture |
| 07-30 13:02 | 10m | -23 / - | SV1EKI | - / -12 | 2 | ✓ Closing fragment |
| 07-27 19:53 | 10m | -21 / - | PY2BZZ | - / - | 2 | ✓ Closing fragment |
| 07-27 19:23 | 10m | -20 / - | PU2XEE | - / -11 | 2 | ✓ Closing fragment |
| 07-12 05:12 | 20m | - / +3 | RN6MA | -14 / - | 3 | ✓ Closing fragment |
| 07-07 19:51 | 20m | - / -4 | EA2DYB | -4 / - | 2 | Partial capture |
| 06-30 19:15 | 20m | -6 / +7 | MM0TBH | -7 / -2 | 5 | ✓ Full exchange observed |
| 06-30 18:31 | 20m | -2 / - | E2WWA | - / - | 2 | Partial capture |
| 06-28 20:20 | 10m | -10 / - | HK0RMR | - / -6 | 3 | ✓ Closing fragment |
| 06-28 19:48 | 20m | -19 / +2 | DL2FX | -17 / - | 2 | ✓ Closing observed |
| 06-28 19:45 | 20m | -20 / +5 | DF8TN | -13 / - | 5 | ✓ Closing observed |
| 06-20 20:20 | 20m | - / 0 | M7JVT | -12 / - | 2 | ✓ Closing fragment |
| 06-20 20:17 | 20m | - / +8 | M0KSD | -7 / - | 3 | ✓ Closing fragment |
| 06-20 14:34 | 10m | -6 / - | CS7BDU | - / -14 | 2 | ✓ Closing fragment |
| 06-20 14:33 | 10m | - / - | UX7QG | +3 / - | 3 | Partial capture |
| 06-20 14:31 | 10m | -7 / - | F4FSY | -6 / -17 | 3 | ✓ Closing observed |
| 06-20 14:29 | 10m | -8 / - | DL1JEL | - / -8 | 2 | ✓ Closing fragment |
| 06-20 14:27 | 10m | -10 / - | EA3EXE | - / -12 | 2 | ✓ Closing fragment |
| 06-14 20:50 | 20m | -14 / -4 | G0RVY | 0 / - | 4 | ✓ Closing observed |
| 06-14 20:03 | 10m | - / -4 | IK4TVP | -5 / - | 4 | Partial capture |
| 06-12 18:20 | 10m | - / -10 | F1PBZ | +8 / - | 4 | Partial capture |
| 06-12 08:41 | 10m | -15 / - | YB1LED | -18 / -17 | 4 | ✓ Closing observed |
| 06-12 08:33 | 10m | - / -10 | F1PBZ | +17 / - | 4 | Partial capture |
| 06-12 06:06 | 10m | - / -10 | 9K2HN | -16 / - | 2 | ✓ Closing fragment |
| 06-12 05:39 | 20m | - / -16 | RU3QR | -6 / - | 5 | ✓ Closing fragment |
| 06-11 18:22 | 10m | - / - | PY5TD | -20 / - | 3 | Partial capture |
| 06-11 18:17 | 10m | -16 / - | PU2VGB | - / -12 | 2 | ✓ Closing fragment |
| 06-11 18:16 | 10m | -12 / - | G4DBW | - / -2 | 2 | ✓ Closing fragment |
| 06-10 16:46 | 10m | -14 / - | PV8AJ | - / -4 | 2 | ✓ Closing fragment |
| 06-09 18:56 | 20m | +3 / - | OS4K | - / -3 | 2 | ✓ Closing fragment |
| 06-09 18:35 | 10m | - / -12 | F1SZC | -3 / - | 3 | ✓ Closing fragment |
| 06-08 12:36 | 10m | -4 / - | YB1KK | - / - | 2 | Partial capture |
| 06-08 12:33 | 10m | -8 / - | OE3KLU | - / - | 2 | Partial capture |
| 06-08 06:54 | 10m | -14 / +4 | OD5JL | -10 / -14 | 10 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200145 -7 1572 K8USN F4MMU -20 (x3) 200515 -10 1572 CQ F4MMU JN26 052700 -14 731 F4MMU VK7AC RR73 052715 -12 1579 VK2ZZY F4MMU R-17 (x2) 053530 +3 1580 VK3JMA F4MMU JN26 (x2) 053800 -3 1579 ZL3OY F4MMU JN26 (x2) 061230 -17 1581 CQ F4MMU JN26 (x4)
UTC dB Audio Message 120045 -23 1589 CQ F4MMU JN26 120115 -22 1589 G4MQL F4MMU -10 (x2) 120315 -18 1589 SQ4MIK F4MMU RR73 120330 -20 1587 F4MMU EA7Z IM67 120345 -18 1588 CQ F4MMU JN26 120445 -18 1589 OK2CAT F4MMU RR73 120545 -24 1588 LZ1LZ F4MMU JN26 162700 -11 1588 F4MMU SV0LS KN00 (x2) 192845 -23 1589 CQ F4MMU JN26 093345 -1 750 F4MMU F5NIB JN06 (x4)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.