S57BTT — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving S57BTT, decoded by SO8OO in southeastern Poland. 223 related FT8 messages, 6 CQ messages, observed on 80m, 40m, 20m, across 24 UTC dates. Heard between 2026-04-28 and 2026-07-21.
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 S57BTT worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by S57BTT
Approximate centre of JN76, decoded 2026-07-21 19:50 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 | S57BTT S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-21 19:51 | 80m | - / - | OK2WMC | +6 / - | 2 | Partial capture |
| 07-21 19:49 | 80m | -17 / - | ES0MVM | - / - | 2 | Partial capture |
| 07-21 19:40 | 80m | -7 / - | YL2NX | - / - | 3 | Partial capture |
| 07-21 19:34 | 40m | -17 / -13 | EW2ZC | -13 / -7 | 5 | ✓ Full exchange observed |
| 07-14 18:47 | 20m | -9 / - | EK1KE | - / -8 | 5 | Partial capture |
| 07-14 18:41 | 20m | -12 / -13 | EK1KE | -21 / -9 | 4 | Partial capture |
| 07-14 18:37 | 20m | -7 / - | EK1KE | - / -7 | 3 | Partial capture |
| 07-14 18:31 | 20m | -10 / -13 | EK1KE | -17 / -10 | 7 | Partial capture |
| 07-14 18:24 | 20m | - / -13 | EK1KE | -15 / - | 5 | Partial capture |
| 07-14 18:18 | 20m | - / -18 | EK1KE | -18 / - | 3 | Partial capture |
| 07-13 19:26 | 40m | -10 / - | ON4CHK/BOTA | - / - | 2 | Partial capture |
| 07-12 20:05 | 20m | -22 / - | YH2AZ | - / - | 2 | Partial capture |
| 07-07 20:49 | 20m | -10 / - | JA1UQA | - / - | 2 | Partial capture |
| 07-07 20:47 | 20m | -8 / - | W4DXM | - / - | 3 | Partial capture |
| 07-03 14:22 | 20m | - / - | F5IXN | -21 / - | 4 | Partial capture |
| 07-02 20:05 | 20m | -20 / - | KF0YOB | - / - | 2 | Partial capture |
| 07-02 19:54 | 20m | -11 / - | JA0LFV | - / -1 | 3 | ✓ Closing fragment |
| 06-29 16:33 | 20m | -12 / - | KF0YOB | - / -9 | 4 | Partial capture |
| 06-29 16:28 | 20m | -15 / - | TJ1GD/P | - / - | 2 | Partial capture |
| 06-29 14:42 | 20m | -15 / - | DL8WEM | - / -1 | 3 | ✓ Closing fragment |
| 06-21 15:22 | 20m | -10 / - | <...> | - / - | 3 | Partial capture |
| 06-21 15:12 | 20m | -9 / - | <...> | - / - | 6 | Partial capture |
| 06-21 04:05 | 40m | -10 / - | HI3JCC | - / - | 3 | Partial capture |
| 06-21 03:35 | 40m | -8 / - | HI3JCC | - / - | 3 | Partial capture |
| 06-21 03:33 | 40m | -10 / - | W9WWI | - / - | 2 | Partial capture |
| 06-21 03:29 | 40m | -6 / - | XE2SSB | - / - | 4 | Partial capture |
| 06-20 07:41 | 20m | -18 / -14 | A71QQ | -8 / -14 | 7 | ✓ Full exchange observed |
| 06-19 21:37 | 40m | - / - | SP6AXW | -10 / - | 3 | Partial capture |
| 06-19 21:35 | 40m | - / -4 | DK7ZT | -10 / - | 3 | Partial capture |
| 06-19 21:35 | 40m | +5 / +3 | SQ1MNG | +5 / +8 | 5 | ✓ Full exchange observed |
| 06-19 21:32 | 40m | +3 / - | MW9LQA | - / -13 | 6 | ✓ Closing fragment |
| 06-19 20:57 | 40m | +3 / -19 | A60PC/5 | -17 / -9 | 4 | Partial capture |
| 06-19 20:55 | 40m | -2 / - | ER1XYZ | - / -18 | 2 | ✓ Closing fragment |
| 06-15 19:49 | 40m | +6 / - | Z62NS | -2 / +10 | 5 | ✓ Full exchange observed |
| 06-09 19:51 | 40m | +7 / - | 5Z4VJ | - / -13 | 4 | ✓ Closing fragment |
| 06-09 19:47 | 40m | +6 / -12 | 9A9TJ | +5 / +6 | 8 | Partial capture |
| 06-09 19:43 | 40m | +6 / - | F5PBG | - / -8 | 2 | ✓ Closing fragment |
| 06-09 19:42 | 40m | +8 / - | UT2SQ | +6 / +9 | 3 | ✓ Closing observed |
| 06-09 19:40 | 40m | +10 / - | EX7CQ | - / -11 | 2 | ✓ Closing fragment |
| 06-04 21:12 | 40m | 0 / - | YU7AS | - / -4 | 3 | ✓ Closing fragment |
| 06-03 19:15 | 40m | +5 / -13 | <...> | -4 / -9 | 3 | Partial capture |
| 06-02 19:59 | 40m | - / +7 | DK7ZT | -5 / - | 3 | Partial capture |
| 06-02 19:58 | 40m | +1 / -6 | UN8DSW | -15 / -16 | 4 | ✓ Full exchange observed |
| 06-02 19:55 | 40m | +3 / - | EX7CQ | - / - | 3 | Partial capture |
| 06-02 19:49 | 40m | -1 / +4 | DL9KM | 0 / -19 | 9 | Partial capture |
| 06-02 19:49 | 40m | +2 / -1 | US2YW | +5 / +3 | 6 | ✓ Full exchange observed |
| 06-02 19:45 | 40m | +1 / - | UN8DSW | - / -17 | 9 | ✓ Closing fragment |
| 06-02 19:38 | 20m | -8 / - | BD1TX | - / - | 2 | Partial capture |
| 06-02 19:32 | 20m | -3 / - | HB9EFK | - / - | 4 | Partial capture |
| 06-01 21:32 | 40m | +8 / - | EX7CQ | - / - | 5 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 194030 -5 390 YL2NX S57BTT JN76 (x3) 194900 -17 469 ES0MVM S57BTT JN76 (x2) 195030 -15 469 CQ S57BTT JN76 195045 +19 572 S57BTT SP9UPH JO90 195115 +6 2292 S57BTT OK2WMC JN99 (x2)
UTC dB Audio Message 033545 -7 1039 HI3JCC S57BTT JN76 (x6) 183400 -5 369 JE1LFX S57BTT JN76 192645 -9 1245 <ON4CHK/BOTA> S57BTT JN76 (x2) 192645 -15 1452 IQ0AK S57BTT JN76 193430 -17 1099 S57BTT EW2ZC -13 (x2) 193545 -17 1594 EW2ZC S57BTT R-07 193600 -10 1099 S57BTT EW2ZC -13 (x2)
UTC dB Audio Message 183345 -9 2389 EK1KE S57BTT R-10 183530 -10 1394 S57BTT EK1KE -13 183745 -6 2388 EK1KE S57BTT R-07 (x3) 184100 -19 1394 S57BTT EK1KE -13 184245 -12 2083 EK1KE S57BTT R-09 184300 -23 1394 S57BTT EK1KE -13 184345 -13 2083 EK1KE S57BTT R-07 184445 -20 2087 BH4ECL S57BTT JN76 184745 -6 2086 EK1KE S57BTT R-08 (x5)
UTC dB Audio Message 162415 -18 1290 PT7PT S57BTT JN76
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.