SP9TBT — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SP9TBT, decoded by SO8OO in southeastern Poland. 2,713 related FT8 messages, 1,022 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 77 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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations SP9TBT worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by SP9TBT
Approximate centre of JO90, decoded 2026-08-23 22:02 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 | SP9TBT S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 21:59 | 60m | -6 / - | G6YBC | - / - | 2 | Partial capture |
| 08-23 21:33 | 80m | +9 / - | DL70ESSEN | - / - | 6 | Partial capture |
| 08-23 21:30 | 80m | +12 / - | R8CW/4 | - / - | 4 | Partial capture |
| 08-23 21:28 | 80m | +13 / - | II7MGXX | - / - | 2 | Partial capture |
| 08-23 21:22 | 80m | +13 / - | DL70ESSEN | - / - | 10 | Partial capture |
| 08-23 21:19 | 80m | +11 / - | <...> | - / - | 5 | Partial capture |
| 08-23 20:23 | 60m | +1 / - | PE1K | - / -11 | 5 | ✓ Closing fragment |
| 08-23 20:19 | 60m | -1 / -1 | OZ1LGJ | -10 / +5 | 6 | ✓ Full exchange observed |
| 08-23 20:17 | 60m | -4 / - | <...> | - / -14 | 2 | Partial capture |
| 08-23 16:35 | 20m | - / -20 | LZ1BT | -5 / - | 11 | ✓ Closing fragment |
| 08-23 09:54 | 20m | - / - | DL1R | +5 / - | 8 | Partial capture |
| 08-23 09:54 | 20m | - / - | UT7UJ | +8 / - | 3 | ✓ Closing fragment |
| 08-23 01:08 | 80m | +15 / - | WE0D | - / - | 3 | Partial capture |
| 08-23 00:56 | 40m | - / - | RX3DCZ | -3 / - | 5 | Partial capture |
| 08-23 00:51 | 40m | - / - | RX3DCZ | -6 / - | 5 | Partial capture |
| 08-23 00:44 | 40m | - / - | RX3DCZ | +1 / - | 2 | Partial capture |
| 08-23 00:21 | 40m | - / - | EA5HM | -14 / - | 5 | Partial capture |
| 08-23 00:14 | 40m | - / +3 | DK0ACI | -2 / - | 2 | ✓ Closing fragment |
| 08-22 00:35 | 40m | - / -4 | <...> | -16 / - | 2 | Partial capture |
| 08-22 00:25 | 40m | - / -13 | EA8NL | -14 / - | 5 | ✓ Closing fragment |
| 08-22 00:09 | 40m | - / -9 | GE0KUC | -9 / - | 3 | ✓ Closing fragment |
| 08-22 00:03 | 40m | - / -7 | KB1HY | -13 / - | 3 | Partial capture |
| 08-21 23:26 | 40m | - / - | CT2GQA | -16 / - | 2 | Partial capture |
| 08-21 23:04 | 80m | +8 / - | CE3SPR | - / - | 6 | Partial capture |
| 08-21 22:51 | 80m | +12 / - | <...> | - / +8 | 4 | Partial capture |
| 08-21 22:49 | 40m | - / -11 | F1IQH | -4 / - | 3 | ✓ Closing fragment |
| 08-21 22:48 | 40m | - / - | TA3NK | -7 / - | 2 | Partial capture |
| 08-21 21:53 | 80m | - / +3 | II7MGXX | -3 / - | 2 | Partial capture |
| 08-21 21:53 | 80m | +8 / - | DR800WE | - / -5 | 2 | Partial capture |
| 08-21 21:05 | 20m | - / +6 | G8GDS | -9 / - | 2 | ✓ Closing fragment |
| 08-21 20:29 | 10m | - / -1 | IU3QYU | -10 / - | 3 | ✓ Closing fragment |
| 08-21 19:42 | 10m | - / - | DG6MDG | -18 / - | 3 | ✓ Closing fragment |
| 08-21 19:31 | 10m | - / -7 | DF7EE | -7 / - | 5 | ✓ Closing fragment |
| 08-21 19:24 | 10m | - / -17 | DN9DKN | -5 / - | 3 | ✓ Closing fragment |
| 08-21 01:08 | 40m | - / - | RA4CEH | -18 / - | 2 | Partial capture |
| 08-21 01:08 | 40m | -4 / - | CO6XX | - / - | 2 | Partial capture |
| 08-21 01:03 | 40m | -6 / -14 | SN1A | -13 / -10 | 3 | Partial capture |
| 08-21 00:51 | 80m | +4 / - | KM2P | - / - | 17 | Partial capture |
| 08-21 00:45 | 80m | +6 / - | II7MGML | - / - | 7 | Partial capture |
| 08-21 00:37 | 60m | +12 / - | PA0LAN | - / -11 | 3 | ✓ Closing fragment |
| 08-20 19:04 | 60m | +2 / +7 | DL8UD | +2 / +4 | 4 | ✓ Full exchange observed |
| 08-20 18:55 | 60m | -8 / -2 | SP5AKI | +2 / - | 4 | ✓ Closing observed |
| 08-20 18:48 | 60m | +7 / -5 | M0VPW | -10 / -6 | 5 | ✓ Full exchange observed |
| 08-20 18:42 | 60m | 0 / -11 | IZ2WYA | -18 / -10 | 5 | ✓ Full exchange observed |
| 08-20 18:38 | 60m | 0 / - | SP9DB | - / -4 | 2 | Partial capture |
| 08-20 18:36 | 60m | +2 / - | OJ0JR | - / - | 5 | ✓ Closing fragment |
| 08-20 18:33 | 60m | +2 / +4 | OH2BYJ | +2 / +1 | 6 | ✓ Full exchange observed |
| 08-20 18:33 | 60m | +2 / - | SP6PCL | -10 / -3 | 3 | ✓ Closing observed |
| 08-20 18:27 | 60m | -7 / +10 | <...> | -2 / -8 | 2 | Partial capture |
| 08-20 00:03 | 80m | +12 / - | CT2HEX | -21 / -16 | 4 | ✓ Closing observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 202345 +0 2280 PE1K SP9TBT RR73 (x3) 202500 -8 892 SP9TBT <OE100OEVSV> +01 202515 +0 2280 PE1K SP9TBT R-08 202615 +3 2280 CQ SP9TBT JO90 (x2) 215915 -8 1322 G6YBC SP9TBT JO90 (x2) 220015 -2 1323 CQ SP9TBT JO90 (x6)
UTC dB Audio Message 212645 +13 1106 DL70ESSEN SP9TBT JO90 (x3) 212815 +12 1006 II7MGXX SP9TBT JO90 (x2) 213015 +13 1505 R8CW/4 SP9TBT JO90 (x4) 213345 +9 1110 DL70ESSEN SP9TBT JO90 (x6)
UTC dB Audio Message 163130 -14 1348 SP9TBT II7MGMU +00 163300 -12 1242 SP9TBT II4KEMP +00 163515 -2 2272 SP9TBT LZ1BT KN12 (x8) 163845 -2 998 SP9TBT M7KPQ R+02 163915 -12 2270 SP9TBT LZ1BT R-20 (x3) 164615 -19 1357 SP9TBT EA4AA -14
UTC dB Audio Message 004430 -1 1137 SP9TBT RX3DCZ KO94 (x9) 005630 -12 1539 SP9TBT RV6F LN14 005700 -2 1137 SP9TBT RX3DCZ KO94 (x3) 005830 +6 2484 SP9TBT RZ6AKF -04 010500 -8 1137 SP9TBT RX3DCZ KO94
UTC dB Audio Message 115100 -7 521 SP9TBT T77RN +11 192430 -6 657 SP9TBT DN9DKN R-17 (x3) 193115 -3 1277 SP9TBT DF7EE JO40 (x5) 194215 -13 2074 SP9TBT DG6MDG JN47 (x3) 202945 -11 2395 SP9TBT IU3QYU JN55 (x3)
UTC dB Audio Message 201145 -16 2096 SQ2BXI SP9TBT R+08 201200 +22 406 SP9TBT SQ2BXI RR73 201215 -13 2096 SQ2BXI SP9TBT RR73 201230 +4 2046 SP9TBT UA3ZUX KO90 201515 -11 1686 SP9TBT OI5AY -17 (x2) 201600 -24 2096 OI5AY SP9TBT RR73 201615 +4 2046 SP9TBT UA3ZUX KO90 201700 -16 2096 LA8ZIA SP9TBT JO90 201745 -3 1058 SP9TBT OH8JP KP01 (x4) 202015 +1 2046 SP9TBT UA3ZUX KO90 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.