SP9SW — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SP9SW, decoded by SO8OO in southeastern Poland. 92 related FT8 messages, 1 CQ messages, observed on 80m, 40m, 20m, across 31 UTC dates. Heard between 2026-05-29 and 2026-08-24.
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations SP9SW worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by SP9SW
Approximate centre of JN99, decoded 2026-08-23 14:36 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 | SP9SW S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 14:36 | 40m | -9 / - | SQ3EWA | - / -21 | 2 | Partial capture |
| 08-23 14:35 | 40m | -8 / - | DL1DEU | -14 / +2 | 5 | ✓ Full exchange observed |
| 08-19 06:21 | 40m | - / -14 | SP5ROM | -15 / - | 2 | ✓ Closing fragment |
| 08-18 17:26 | 40m | -12 / - | SP5ROM | - / -5 | 4 | ✓ Closing fragment |
| 08-17 04:39 | 80m | +6 / - | SQ6WA | - / -4 | 8 | Partial capture |
| 08-17 04:18 | 80m | +12 / - | DO9YU | - / -18 | 2 | Partial capture |
| 08-17 04:08 | 80m | -10 / -6 | DO2NM | -5 / -2 | 4 | ✓ Full exchange observed |
| 08-17 03:59 | 80m | +12 / -9 | F1TXI | -20 / -8 | 4 | ✓ Full exchange observed |
| 08-17 03:50 | 80m | +4 / - | WB8SCG | - / -20 | 7 | Partial capture |
| 08-17 03:47 | 80m | +1 / - | G8OO | - / -10 | 3 | ✓ Closing fragment |
| 08-17 03:45 | 80m | 0 / - | DO1DX | +3 / -12 | 3 | ✓ Closing observed |
| 08-10 04:46 | 40m | - / -14 | HA3FIC | +1 / - | 2 | Partial capture |
| 08-08 18:08 | 40m | -15 / - | YU65AEC | - / -5 | 3 | Partial capture |
| 08-08 09:02 | 40m | - / - | SQ9JTI | -18 / - | 2 | ✓ Closing fragment |
| 08-08 04:00 | 80m | - / - | HF5A | +5 / - | 3 | Partial capture |
| 08-08 03:59 | 80m | -1 / - | HA3HX | -7 / +2 | 3 | ✓ Closing observed |
| 08-06 16:06 | 40m | - / - | UA4FKT | -16 / - | 2 | Partial capture |
| 08-04 18:11 | 80m | 0 / -14 | SQ5NO | -16 / -14 | 6 | ✓ Full exchange observed |
| 08-02 16:46 | 40m | -20 / - | <...> | - / -3 | 4 | Partial capture |
| 08-02 16:23 | 40m | -20 / - | SQ5NO | - / -18 | 2 | ✓ Closing fragment |
| 08-01 17:26 | 40m | -12 / +1 | SQ9MEZ | -2 / +2 | 7 | ✓ Full exchange observed |
| 08-01 16:44 | 40m | -21 / +9 | SQ9AWN | -17 / +4 | 6 | ✓ Full exchange observed |
| 07-31 17:49 | 40m | -17 / +2 | <...> | -23 / -8 | 2 | Partial capture |
| 07-24 17:46 | 80m | +2 / - | SQ9AWN | +4 / 0 | 4 | ✓ Full exchange observed |
| 07-10 02:42 | 80m | - / -10 | MM0KQC | -6 / - | 3 | Partial capture |
| 07-10 02:40 | 80m | +6 / - | <...> | - / 0 | 2 | Partial capture |
| 07-08 18:18 | 80m | +5 / - | <...> | - / -3 | 2 | Partial capture |
| 07-08 04:59 | 20m | - / - | F5RRS | 0 / - | 2 | Partial capture |
| 07-08 04:58 | 20m | - / -18 | YR50NADIA | -2 / - | 2 | Partial capture |
| 07-07 18:26 | 80m | - / - | HF5A | +7 / - | 3 | Partial capture |
| 07-07 18:25 | 80m | +4 / - | <...> | - / -9 | 2 | Partial capture |
| 07-07 18:24 | 80m | +10 / -5 | SN40KZE | -3 / -9 | 3 | ✓ Full exchange observed |
| 07-07 03:27 | 80m | +3 / -17 | YR50NADIA | -4 / -9 | 2 | Partial capture |
| 07-06 17:52 | 80m | +6 / -4 | YU65AEC | -8 / -4 | 2 | Partial capture |
| 06-28 15:32 | 20m | - / -13 | AO25HSJ | -8 / - | 3 | Partial capture |
| 06-22 16:58 | 40m | -19 / -15 | SP5HWB | -5 / - | 4 | ✓ Closing observed |
| 06-21 14:19 | 40m | - / -5 | SP5HWB | -18 / - | 2 | ✓ Closing fragment |
| 06-20 18:45 | 40m | -10 / +5 | SP7ALM | -8 / - | 2 | ✓ Closing observed |
| 06-19 10:31 | 40m | - / -19 | SP7VCL | -13 / - | 2 | ✓ Closing fragment |
| 06-10 04:32 | 40m | - / -11 | YO5OSF | +2 / - | 3 | ✓ Closing fragment |
| 06-07 10:36 | 40m | -14 / -15 | SN3KO | -8 / -22 | 7 | ✓ Full exchange observed |
| 06-07 10:27 | 40m | -10 / - | <...> | - / -8 | 2 | Partial capture |
| 06-07 03:55 | 80m | +2 / - | SP5RZL | +6 / +2 | 4 | ✓ Closing observed |
| 06-05 14:53 | 40m | -2 / - | SQ9AWN | -4 / +1 | 4 | ✓ Full exchange observed |
| 06-05 04:55 | 40m | -3 / - | IQ2AAH | - / -13 | 7 | Partial capture |
| 06-04 18:22 | 80m | +3 / - | SQ9AWN | -4 / -10 | 5 | ✓ Full exchange observed |
| 06-03 06:07 | 40m | - / -19 | SN3KO | -10 / - | 2 | Partial capture |
| 06-03 04:12 | 80m | +8 / - | SP1956POZ | - / -6 | 2 | Partial capture |
| 05-29 09:01 | 40m | -19 / -8 | SQ9PCO | -7 / -3 | 6 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 172645 -14 1318 SP5ROM SP9SW -05 (x4) 062130 -13 2175 SP9SW SP5ROM R-14 (x2) 143515 -11 1694 CQ SP9SW JN99 a1 143530 -14 1694 SP9SW DL1DEU JN59 143545 -6 1694 DL1DEU SP9SW +02 143600 -15 1694 SP9SW DL1DEU R+13 143615 -9 1694 DL1DEU SP9SW RR73 143630 -12 1694 SP9SW DL1DEU 73 143645 -9 1694 SQ3EWA SP9SW JN99 (x2) 053345 +5 1543 SP9SW SN40KZE +08
UTC dB Audio Message 040000 -19 1819 SP9SW F1TXI 73 040830 -10 1454 DO2NM SP9SW -02 040845 -4 1759 SP9SW DO2NM R-06 040900 -9 1454 DO2NM SP9SW RR73 040915 -6 1758 SP9SW DO2NM 73 041845 +16 1454 DO9YU SP9SW -18 (x2) 043945 +5 1454 SQ6WA SP9SW -04 (x8)
UTC dB Audio Message 133230 -9 351 SP9SW <...> R-18 153200 -10 351 SP9SW AO25HSJ R-13 (x3) 153330 +5 518 SP9SW UA4FEN -04 045830 -1 570 SP9SW YR50NADIA R-18 (x2) 045900 -1 1863 SP9SW F5RRS JN36 (x2) 050030 -20 1476 SP9SW LZ2VQ KN23 180000 -7 927 SP9SW YO1BRANCUSI R+03
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.