SP4TZ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SP4TZ, decoded by SO8OO in southeastern Poland. 181 related FT8 messages, 8 CQ messages, observed on 160m, 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-05-28 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 SP4TZ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by SP4TZ
Approximate centre of KO13, decoded 2026-06-13 03:35 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 | SP4TZ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 14:25 | 20m | - / -11 | DL1DEU | -1 / - | 3 | ✓ Closing fragment |
| 08-19 14:17 | 20m | - / - | DL1R | 0 / - | 4 | Partial capture |
| 06-14 12:14 | 10m | - / - | DN9CG | -11 / - | 4 | Partial capture |
| 06-14 12:09 | 10m | - / - | DN9GLA | +1 / - | 3 | ✓ Closing fragment |
| 06-14 12:05 | 10m | - / +5 | DN9SHA | -6 / - | 5 | ✓ Closing fragment |
| 06-14 12:03 | 10m | - / -8 | UR4QWW | -4 / - | 3 | ✓ Closing fragment |
| 06-14 12:02 | 10m | - / - | ON6CQ | -19 / - | 2 | ✓ Closing fragment |
| 06-14 11:59 | 10m | - / - | PD9FLX | -2 / - | 2 | ✓ Closing fragment |
| 06-13 04:25 | 20m | - / -12 | UK8OM | 0 / - | 2 | ✓ Closing fragment |
| 06-13 03:09 | 40m | -6 / - | PY1USK | - / - | 3 | Partial capture |
| 06-13 03:06 | 40m | -5 / - | OA4ENG | - / - | 3 | Partial capture |
| 06-13 03:00 | 40m | +1 / - | PY1USK | - / - | 3 | Partial capture |
| 06-13 02:57 | 40m | -4 / +1 | HF7X | -6 / - | 5 | ✓ Full exchange observed |
| 06-13 02:55 | 40m | -8 / - | PV8AJ | - / - | 3 | Partial capture |
| 06-13 02:47 | 40m | -1 / - | PV8AJ | - / - | 3 | Partial capture |
| 06-13 02:42 | 20m | - / -16 | UN7BCF | -4 / - | 2 | Partial capture |
| 06-13 02:38 | 20m | - / -13 | <...> | -6 / - | 3 | Partial capture |
| 06-12 20:06 | 160m | -10 / - | R9SAP | - / -14 | 2 | Partial capture |
| 06-12 05:09 | 10m | - / -9 | UA3SAO | -14 / - | 2 | Partial capture |
| 06-11 10:39 | 20m | - / - | F1POK | -4 / - | 2 | ✓ Closing fragment |
| 06-11 10:39 | 20m | - / - | R4FBJ | +7 / - | 9 | Partial capture |
| 06-11 10:12 | 10m | - / -16 | 5H1KB | +6 / - | 2 | ✓ Closing fragment |
| 06-11 07:02 | 10m | - / - | DL1UDO | -16 / - | 2 | ✓ Closing fragment |
| 06-11 06:57 | 10m | - / - | DO3MY | -14 / - | 3 | ✓ Closing fragment |
| 06-11 06:41 | 10m | - / - | IU8ADS | +3 / - | 3 | ✓ Closing fragment |
| 06-11 06:38 | 10m | - / -12 | DK7UY | -8 / - | 3 | ✓ Closing fragment |
| 06-11 06:34 | 10m | - / -8 | YT3PL | -20 / - | 2 | Partial capture |
| 06-10 08:22 | 20m | - / - | F4BYA | -12 / - | 3 | Partial capture |
| 06-10 07:53 | 20m | - / - | IK4LZH | +16 / - | 4 | Partial capture |
| 06-10 07:29 | 20m | - / - | F4BYA | -8 / - | 2 | Partial capture |
| 06-10 07:28 | 20m | - / - | DL1UDO | -9 / - | 4 | Partial capture |
| 06-09 11:03 | 20m | -4 / -14 | OZ5AGJ | -6 / -7 | 4 | ✓ Full exchange observed |
| 06-09 06:08 | 20m | - / - | RZ4FWA | +2 / - | 3 | Partial capture |
| 06-09 06:08 | 20m | - / - | UR6QV | +1 / - | 12 | Partial capture |
| 06-09 05:58 | 20m | - / -1 | RO6G | -6 / - | 3 | Partial capture |
| 06-08 09:23 | 10m | - / - | RL3K | -11 / - | 2 | Partial capture |
| 06-08 09:20 | 10m | - / 0 | DJ8TX/P | -18 / - | 2 | ✓ Closing fragment |
| 06-08 09:20 | 10m | - / - | PD1ADA | -4 / - | 6 | Partial capture |
| 06-08 08:28 | 10m | - / -10 | PD1B | -6 / - | 4 | Partial capture |
| 06-08 08:26 | 10m | - / - | R4FDD | -17 / - | 2 | Partial capture |
| 06-08 07:48 | 10m | - / - | LZ2VQ | +8 / - | 3 | Partial capture |
| 06-08 07:47 | 10m | - / -6 | LZ4VR | +12 / - | 3 | ✓ Closing fragment |
| 06-08 06:51 | 20m | - / -8 | YO5LNX | +13 / - | 4 | ✓ Closing fragment |
| 06-08 06:42 | 20m | - / - | YO5LNX | 0 / - | 2 | Partial capture |
| 06-07 19:08 | 20m | -21 / - | BH3FZG | - / -10 | 3 | Partial capture |
| 06-07 19:06 | 20m | -10 / - | BG2ATH | - / -10 | 2 | Partial capture |
| 06-07 19:03 | 20m | -13 / - | BD5CAM | -8 / -11 | 4 | ✓ Closing observed |
| 06-07 16:13 | 20m | - / -14 | R0AX | +6 / - | 3 | ✓ Closing fragment |
| 06-07 16:07 | 20m | - / -6 | R9FDE | -8 / - | 3 | ✓ Closing fragment |
| 06-03 20:31 | 160m | -8 / -15 | DL9OBU | +10 / -7 | 4 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 023830 -4 980 SP4TZ <...> -13 (x3) 024200 -5 2353 SP4TZ UN7BCF -16 (x2) 042545 +0 2104 SP4TZ UK8OM -12 (x2) 141715 -3 2658 SP4TZ DL1R JN58 (x4) 142445 +0 1356 SP4TZ YO5PHL KN16 142515 +2 1356 SP4TZ DL1DEU JN59 (x3)
UTC dB Audio Message 120345 -9 1874 SP4TZ UR4QWW R-08 (x2) 120545 -5 1378 SP4TZ DN9SHA JO31 (x5) 120945 -1 1071 SP4TZ DN9GLA JO31 (x3) 121415 -9 309 SP4TZ DN9CG JO32 (x2) 121545 -9 2556 SP4TZ G4CFS R-20 121545 -15 309 SP4TZ DN9CG JO32 (x2)
UTC dB Audio Message 030030 +1 245 PY1USK SP4TZ KO13 (x3) 030615 -4 2305 OA4ENG SP4TZ KO13 (x3) 030830 -11 1915 CO8TW SP4TZ KO13 030900 -9 245 PY1USK SP4TZ KO13 (x3) 031100 -10 1916 CO8TW SP4TZ KO13 031345 -14 1532 PV8AJ SP4TZ KO13 (x3) 033545 -19 1142 EA6NB SP4TZ KO13
UTC dB Audio Message 201415 -6 1119 SP4TZ 9A4ZM JN86 (x2) 202715 -2 1679 LA9GX SP4TZ KO13 202730 +2 1290 SP4TZ LA9GX -06 202745 -4 1679 LA9GX SP4TZ R+00 202800 +7 1290 SP4TZ LA9GX RR73 202815 -2 1679 LA9GX SP4TZ 73 202945 -6 1679 DD0AM SP4TZ KO13 (x2) 203100 -5 1679 DL9OBU SP4TZ -07 203115 +10 1107 SP4TZ DL9OBU R-15 203130 -10 1679 DL9OBU SP4TZ RR73 203145 +9 1107 SP4TZ DL9OBU 73 200645 -9 1771 R9SAP SP4TZ -14 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.