TF4CU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving TF4CU, decoded by SO8OO in southeastern Poland. 1,297 related FT8 messages, 29 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 57 UTC dates. Heard between 2026-05-26 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 TF4CU worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by TF4CU
Approximate centre of HP93, decoded 2026-08-23 18:17 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 | TF4CU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 20:03 | 20m | - / -17 | II7MGBR | -18 / - | 2 | Partial capture |
| 08-23 20:02 | 20m | - / -20 | EA7JYN | -4 / - | 3 | Partial capture |
| 08-23 19:57 | 20m | - / - | R1ZBR | +2 / - | 2 | Partial capture |
| 08-15 22:32 | 60m | - / -6 | G4MQL | -3 / - | 3 | ✓ Closing fragment |
| 08-15 22:31 | 60m | - / -4 | GI7LOU | -8 / - | 2 | ✓ Closing fragment |
| 08-15 22:29 | 60m | - / +3 | DG4BZ | +2 / - | 3 | ✓ Closing fragment |
| 08-15 22:27 | 60m | -23 / 0 | DL2YMG | -7 / - | 4 | ✓ Closing observed |
| 08-15 22:24 | 60m | - / -14 | DK7ZT | -14 / - | 5 | ✓ Closing fragment |
| 08-15 22:24 | 60m | - / -19 | PC2F | -12 / - | 3 | ✓ Closing fragment |
| 08-15 22:24 | 60m | - / - | PE1NPS | -1 / - | 4 | Partial capture |
| 08-15 22:20 | 60m | - / - | EW8CW | +2 / - | 2 | Partial capture |
| 08-15 22:14 | 60m | - / -6 | DK7ZT | -16 / - | 2 | Partial capture |
| 08-15 22:13 | 60m | - / -5 | SP2YY | +11 / - | 3 | ✓ Closing fragment |
| 08-15 22:09 | 60m | - / -6 | SE7LH | -9 / - | 3 | ✓ Closing fragment |
| 08-15 22:08 | 60m | - / -1 | LA2GCA | -9 / - | 2 | ✓ Closing fragment |
| 08-13 21:32 | 60m | - / - | IU5HIU | -16 / - | 2 | Partial capture |
| 08-13 21:23 | 60m | - / -9 | SP9UPH | +7 / - | 5 | Partial capture |
| 08-13 21:23 | 60m | - / -16 | YO6LM | +7 / - | 2 | Partial capture |
| 08-13 21:19 | 60m | - / -16 | PA1MVL | 0 / - | 4 | ✓ Closing fragment |
| 08-13 21:14 | 60m | - / -1 | ON7GB | +10 / - | 3 | ✓ Closing fragment |
| 08-13 21:13 | 60m | - / -14 | YO6LM | +10 / - | 2 | Partial capture |
| 08-13 21:12 | 60m | - / -7 | M0NXD | -7 / - | 2 | ✓ Closing fragment |
| 08-13 21:06 | 60m | - / - | ON7GB | +3 / - | 4 | Partial capture |
| 08-13 21:05 | 60m | - / - | YL2SW | 0 / - | 3 | Partial capture |
| 08-13 21:05 | 60m | - / -18 | LX1LW | -4 / - | 2 | ✓ Closing fragment |
| 08-13 21:03 | 60m | - / -13 | G3UHU | -6 / - | 3 | ✓ Closing fragment |
| 08-13 21:02 | 60m | - / -2 | SP9TBT | -5 / - | 3 | ✓ Closing fragment |
| 08-12 19:03 | 60m | - / - | ON7GB | +1 / - | 3 | Partial capture |
| 08-11 21:39 | 60m | - / - | LY2HM | -8 / - | 6 | Partial capture |
| 08-11 21:39 | 60m | - / - | DL1NEO | -8 / - | 6 | Partial capture |
| 08-11 21:34 | 60m | - / -10 | SV2HTI | +3 / - | 5 | ✓ Closing fragment |
| 08-11 21:33 | 60m | - / - | LY2HM | -11 / - | 7 | Partial capture |
| 08-11 21:32 | 60m | - / -17 | DD6ZV | +8 / - | 5 | ✓ Closing fragment |
| 08-11 21:32 | 60m | - / -7 | DL7ARV | +3 / - | 5 | ✓ Closing fragment |
| 08-11 21:30 | 60m | - / - | SP5JMA | +4 / - | 3 | Partial capture |
| 08-11 21:30 | 60m | - / -5 | PA3DOL | -7 / - | 23 | Partial capture |
| 08-11 21:29 | 60m | - / -3 | GM4GZW | -5 / - | 2 | ✓ Closing fragment |
| 08-11 21:27 | 60m | - / -4 | PI4DX | +7 / - | 2 | ✓ Closing fragment |
| 08-11 21:24 | 60m | - / -11 | SM4GOJ | -5 / - | 3 | ✓ Closing fragment |
| 08-11 21:23 | 60m | - / -6 | DB6LL | +4 / - | 14 | ✓ Closing fragment |
| 08-11 21:23 | 60m | - / - | SP5JMA | +8 / - | 6 | Partial capture |
| 08-11 21:21 | 60m | - / -4 | LA9GX | +5 / - | 5 | ✓ Closing fragment |
| 08-11 21:20 | 60m | - / -10 | DL5DQZ | +6 / - | 9 | ✓ Closing fragment |
| 08-11 21:18 | 60m | - / -9 | PA3DOL | -4 / - | 20 | Partial capture |
| 08-11 21:18 | 60m | - / -4 | EA1U | -14 / - | 5 | ✓ Closing fragment |
| 08-11 21:18 | 60m | - / -13 | YO6LM | 0 / - | 4 | Partial capture |
| 08-11 21:17 | 60m | - / -7 | GB8VJ | -12 / - | 2 | ✓ Closing fragment |
| 08-11 21:17 | 60m | - / -11 | LY8O | +1 / - | 5 | ✓ Closing fragment |
| 08-04 21:26 | 20m | - / -19 | K1HC | -16 / - | 2 | ✓ Closing fragment |
| 08-03 20:08 | 20m | - / -10 | TN8GD | -8 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 205900 -5 2669 TF4CU S59ST JN76 212630 -16 1447 TF4CU K1HC -19 (x2) 174330 -17 1607 TF4CU PD0RDD JO22 191815 -6 821 TF4CU <...> -13 181745 -10 419 CQ TF4CU HP93 182015 -7 419 G7TVI TF4CU -22 195730 +2 717 TF4CU R1ZBR KP69 (x2) 200230 -5 1692 TF4CU EA7JYN R-20 (x2) 200330 -19 1290 TF4CU II7MGBR -17 200330 -17 1152 TF4CU M1EAS IO83 200330 -2 1691 TF4CU EA7JYN R-20 200400 -17 1290 TF4CU II7MGBR -17
UTC dB Audio Message 222600 -15 1900 TF4CU DK7ZT RR73 (x3) 222730 -8 1516 TF4CU DL2YMG JO31 (x2) 222815 -23 1516 DL2YMG TF4CU RR73 222830 -7 1515 TF4CU DL2YMG 73 222900 +1 540 TF4CU DG4BZ JO42 (x3) 223130 -7 340 TF4CU GI7LOU R-04 (x2) 223230 -2 485 TF4CU G4MQL IO81 (x3)
UTC dB Audio Message 223700 -15 1208 TF4CU TF4M RR73
UTC dB Audio Message 201030 -7 1439 TF4CU 9A3MA -12 (x4) 201100 -15 1771 TF4CU HI7WWA -08 162300 -9 671 TF4CU LX1JH JN39 (x4) 164115 -11 629 TF4CU DN9RL JO61 164415 -17 1467 TF4CU R6OP KN88 185700 -9 1104 TF4CU ON7VZ -10 185630 -11 1171 TF4CU PA3GMD JO21 (x3)
UTC dB Audio Message 182045 -16 1769 TF4CU SQ9FSH JO90
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.