TK4TH — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving TK4TH, decoded by SO8OO in southeastern Poland. 703 related FT8 messages, 19 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 20 UTC dates. Heard between 2026-06-03 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 TK4TH worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by TK4TH
Approximate centre of JN41, decoded 2026-08-22 20:40 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 | TK4TH S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 21:16 | 60m | - / +6 | DL3RDO | -4 / - | 5 | Partial capture |
| 08-23 21:15 | 60m | -8 / -4 | GW0ARK | -6 / - | 4 | ✓ Closing observed |
| 08-23 21:15 | 60m | -7 / -3 | IW2CAK | -7 / - | 4 | ✓ Full exchange observed |
| 08-23 21:09 | 60m | -7 / -15 | G0AZH | -8 / -3 | 9 | ✓ Full exchange observed |
| 08-22 20:42 | 20m | +4 / -6 | N4IRK | -9 / -12 | 6 | ✓ Full exchange observed |
| 08-22 20:41 | 20m | +2 / - | AA9JC | - / -15 | 3 | ✓ Closing fragment |
| 08-21 21:34 | 160m | - / - | SP5GW | +16 / - | 4 | Partial capture |
| 08-21 12:09 | 10m | - / - | DF3TN | -10 / - | 2 | Partial capture |
| 08-21 12:02 | 10m | - / -1 | OK1DCM | -19 / - | 3 | ✓ Closing fragment |
| 08-21 11:54 | 10m | - / - | DO1OB | -15 / - | 5 | Partial capture |
| 08-21 11:54 | 10m | - / - | DF4SZ | -8 / - | 6 | ✓ Closing fragment |
| 08-21 11:45 | 10m | - / - | DL5GE | -22 / - | 2 | ✓ Closing fragment |
| 08-21 11:43 | 10m | - / - | DL1TS | -3 / - | 4 | ✓ Closing fragment |
| 08-21 11:43 | 10m | - / - | DG2SAT | -1 / - | 3 | ✓ Closing fragment |
| 08-21 11:43 | 10m | - / - | DJ3HW | -5 / - | 4 | Partial capture |
| 08-21 11:43 | 10m | - / - | DL3MIB | -2 / - | 7 | Partial capture |
| 08-20 21:16 | 60m | - / - | F1HFP | -7 / - | 3 | Partial capture |
| 08-20 21:12 | 60m | -16 / -4 | DL7GP | -4 / +3 | 6 | ✓ Full exchange observed |
| 08-20 21:11 | 60m | -17 / -9 | UR5EDX | +11 / +7 | 7 | ✓ Full exchange observed |
| 08-20 21:09 | 60m | -17 / -7 | YL2SW | -3 / +1 | 7 | ✓ Full exchange observed |
| 08-20 21:09 | 60m | -16 / -16 | HA5LB | -11 / -11 | 8 | ✓ Full exchange observed |
| 08-20 21:08 | 60m | -15 / -20 | SP9ODY | -4 / -3 | 8 | ✓ Full exchange observed |
| 08-20 21:07 | 60m | - / -5 | IU8PYW | -14 / - | 2 | Partial capture |
| 08-20 21:06 | 60m | - / +1 | OE9DAI | -15 / - | 8 | ✓ Closing fragment |
| 08-20 21:05 | 60m | -14 / -6 | SN5J | +13 / -3 | 7 | ✓ Full exchange observed |
| 08-20 21:04 | 60m | -16 / - | 8S2A | -14 / -10 | 7 | ✓ Closing observed |
| 08-20 21:04 | 60m | -17 / +4 | IK2RZQ | -9 / - | 9 | ✓ Closing observed |
| 08-20 21:03 | 60m | -15 / -4 | EI8KN | -6 / -2 | 7 | ✓ Full exchange observed |
| 08-20 21:03 | 60m | -16 / -10 | SO3K | -3 / -3 | 6 | ✓ Full exchange observed |
| 08-20 21:01 | 60m | -14 / -6 | DK2YCT | -5 / - | 6 | ✓ Closing observed |
| 08-20 21:00 | 60m | -16 / -4 | I4HRH | -16 / -4 | 6 | ✓ Full exchange observed |
| 08-20 21:00 | 60m | -18 / - | EA5GO | - / 0 | 2 | ✓ Closing fragment |
| 08-20 20:31 | 60m | - / - | DF1BN | -3 / - | 2 | Partial capture |
| 08-20 20:31 | 60m | - / - | UR9QQ | -16 / - | 2 | Partial capture |
| 08-20 20:28 | 60m | -17 / -10 | DG8HJ | -10 / -10 | 5 | ✓ Full exchange observed |
| 08-20 20:25 | 60m | -18 / -9 | SM7XON | -11 / -11 | 5 | ✓ Full exchange observed |
| 08-20 20:22 | 60m | - / - | SM7XON | -14 / - | 2 | Partial capture |
| 08-20 20:22 | 60m | -16 / -9 | SQ9DJQ | 0 / -13 | 12 | ✓ Full exchange observed |
| 08-20 20:22 | 60m | -20 / 0 | DL2ZM | -13 / -7 | 8 | ✓ Full exchange observed |
| 08-20 20:20 | 60m | - / - | LZ2BE | 0 / - | 3 | Partial capture |
| 08-20 20:19 | 60m | -20 / -6 | DK8IZ | -6 / -1 | 9 | ✓ Full exchange observed |
| 08-20 20:19 | 60m | -24 / -4 | DL1LQA | +2 / +7 | 6 | ✓ Full exchange observed |
| 08-20 20:19 | 60m | -23 / -12 | SP6BCC | +4 / - | 6 | ✓ Closing observed |
| 08-20 20:18 | 60m | -21 / -9 | DL6RS | -2 / - | 6 | ✓ Closing observed |
| 08-20 20:18 | 60m | -18 / -1 | F5NAA | +2 / - | 3 | ✓ Closing observed |
| 08-20 20:17 | 60m | - / -10 | SQ9DJQ | +2 / - | 2 | Partial capture |
| 08-20 20:17 | 60m | -18 / -5 | UT5UGR | 0 / +3 | 4 | ✓ Full exchange observed |
| 08-20 20:15 | 60m | -18 / -4 | OZ8ABA | +7 / +1 | 5 | ✓ Full exchange observed |
| 08-20 20:15 | 60m | -17 / -10 | YT1Q | -8 / -7 | 7 | ✓ Full exchange observed |
| 08-20 20:11 | 60m | - / - | DL6RS | -8 / - | 11 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 211430 -8 575 TK4TH G0AZH R-15 211500 -6 491 TK4TH IW2CAK JN45 211515 -8 566 IW2CAK TK4TH +15 211530 -9 605 TK4TH GW0ARK IO81 211530 -8 491 TK4TH IW2CAK R-03 211545 -6 566 IW2CAK TK4TH RR73 211600 -4 459 TK4TH GW0ARK IO81 211600 -5 1107 TK4TH DL3RDO JN68 (x2) 211630 -6 458 TK4TH GW0ARK R-04 211645 -8 566 GW0ARK TK4TH RR73 211730 -3 1107 TK4TH DL3RDO JN68 (x2) 211830 -14 1439 TK4TH SM3PZG JP93 211900 +1 566 TK4TH DL3RDO JN68
UTC dB Audio Message 205400 -4 845 TK4TH K4QXX EL87 (x3) 204015 +0 1295 CQ TK4TH JN41 (x2) 204115 +2 1295 AA9JC TK4TH -15 (x2) 204200 -11 438 TK4TH N4IRK FM16 204215 +2 1295 AA9JC TK4TH RR73 204230 -11 438 TK4TH N4IRK FM16 204245 +3 1295 N4IRK TK4TH -12 204300 -11 437 TK4TH N4IRK R-06 204315 +5 1295 N4IRK TK4TH RR73 204330 -4 437 TK4TH N4IRK 73 204400 -4 2765 TK4TH IW5ALZ JN53
UTC dB Audio Message 213445 +20 396 TK4TH SP5GW KO12 (x4)
UTC dB Audio Message 115515 -7 2310 TK4TH DF4SZ JN58 (x3) 115645 -13 1323 TK4TH DO1OB JN49 115645 -8 2309 TK4TH DF4SZ 73 115815 -12 1324 TK4TH DO1OB JN49 (x3) 120245 -17 1164 TK4TH OK1DCM JN69 (x3) 120445 -24 1565 TK4TH OK1EP 73 120815 -13 1254 TK4TH YU1BD KN04 120945 -9 1252 TK4TH DF3TN JN49 (x2)
UTC dB Audio Message 160600 -11 2057 TK4TH OK1ACE JN78 (x8)
UTC dB Audio Message 213915 -12 1960 SP7PMO TK4TH RR73 213930 +9 1151 TK4TH SP2LLP JO94 213930 -22 1960 TK4TH EB3BKW -04 213930 -12 1853 TK4TH OH3NDH KP20 213930 +3 2182 TK4TH SP7PMO 73 213945 -16 1960 EB3BKW TK4TH R+13 214230 -24 1960 TK4TH EA7L IM86 (x2) 214330 -2 1960 TK4TH SP9JMZ JO90 (x7)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.