UF5F — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UF5F, decoded by SO8OO in southeastern Poland. 826 related FT8 messages, 251 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 77 UTC dates. Heard between 2026-05-26 and 2026-08-24.
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 UF5F worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by UF5F
Approximate centre of KO98, decoded 2026-08-23 20:07 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 | UF5F S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 20:03 | 80m | -1 / - | JA5MHD | - / - | 5 | Partial capture |
| 08-23 19:59 | 80m | +3 / -5 | IK6GTF | -5 / -14 | 4 | ✓ Full exchange observed |
| 08-23 19:54 | 80m | 0 / -15 | RK6OV | -11 / -3 | 8 | ✓ Full exchange observed |
| 08-23 19:53 | 80m | -8 / -15 | JH0NOS | -10 / -14 | 6 | ✓ Full exchange observed |
| 08-22 20:56 | 40m | -3 / - | JM3UGA | - / - | 3 | Partial capture |
| 08-22 20:51 | 40m | -3 / - | HL5BPF | - / -8 | 5 | ✓ Closing fragment |
| 08-22 18:40 | 80m | -6 / - | R1530IG | - / - | 2 | Partial capture |
| 08-21 21:00 | 20m | - / +6 | N1HMT | -6 / - | 3 | ✓ Closing fragment |
| 08-21 20:00 | 80m | -2 / - | JA1KNB | - / -24 | 2 | Partial capture |
| 08-21 02:25 | 40m | - / -23 | R2EC | -12 / - | 2 | Partial capture |
| 08-20 19:53 | 20m | -10 / -6 | D2IM | -2 / +2 | 4 | ✓ Full exchange observed |
| 08-20 19:46 | 20m | - / +10 | DL9MY | +3 / - | 2 | Partial capture |
| 08-20 19:06 | 40m | - / -6 | RA4FUP | -3 / - | 8 | Partial capture |
| 08-20 19:01 | 40m | -3 / - | BG2GWN | - / -9 | 4 | ✓ Closing fragment |
| 08-20 03:25 | 40m | -12 / - | N1NRL | - / - | 4 | Partial capture |
| 08-20 01:39 | 80m | -9 / - | KF9UG | - / - | 10 | Partial capture |
| 08-19 02:00 | 80m | -4 / -7 | IQ4JO | +5 / +1 | 5 | ✓ Full exchange observed |
| 08-19 01:57 | 80m | - / - | R6LE | -2 / - | 2 | Partial capture |
| 08-19 01:56 | 80m | -2 / +9 | DO5PY | +4 / +3 | 5 | ✓ Full exchange observed |
| 08-19 01:56 | 80m | -4 / -7 | MM0KQC | -6 / -6 | 6 | ✓ Full exchange observed |
| 08-19 01:53 | 80m | +2 / - | ZP5DBC | - / -12 | 5 | ✓ Closing fragment |
| 08-18 02:37 | 80m | -18 / - | R4IK | -17 / -6 | 3 | ✓ Closing observed |
| 08-18 02:36 | 80m | - / - | DO5PY | +1 / - | 3 | Partial capture |
| 08-18 02:36 | 80m | - / - | F4FPR | -12 / - | 2 | Partial capture |
| 08-18 02:34 | 80m | -13 / - | PT2TD | - / -24 | 3 | ✓ Closing fragment |
| 08-18 02:33 | 80m | -14 / - | CX6TU | - / - | 3 | Partial capture |
| 08-17 20:59 | 80m | -6 / - | D2UY | - / -11 | 10 | ✓ Closing fragment |
| 08-17 19:35 | 40m | - / - | R9FE | -8 / - | 2 | ✓ Closing fragment |
| 08-16 18:17 | 20m | -9 / - | 7X2KF | - / - | 5 | Partial capture |
| 08-16 18:12 | 20m | -14 / - | C91RU | - / - | 6 | Partial capture |
| 08-15 20:53 | 40m | -12 / - | CT2GQA | - / -9 | 3 | Partial capture |
| 08-15 20:51 | 40m | -14 / - | EA5FD | - / -16 | 2 | ✓ Closing fragment |
| 08-15 20:48 | 40m | -16 / +6 | PF1B | -16 / -9 | 4 | ✓ Full exchange observed |
| 08-15 20:46 | 40m | -16 / -3 | ON3CCM | -13 / - | 3 | ✓ Closing observed |
| 08-15 20:44 | 40m | -12 / - | BA6IM | - / -22 | 4 | Partial capture |
| 08-15 20:42 | 40m | -11 / - | BA7NLL | - / -19 | 2 | ✓ Closing fragment |
| 08-15 20:33 | 40m | -15 / - | BI6PWL | - / -18 | 3 | Partial capture |
| 08-15 20:23 | 80m | -5 / - | JA5MHD | - / -12 | 3 | ✓ Closing fragment |
| 08-15 20:13 | 20m | - / - | M9LCB | -18 / - | 2 | Partial capture |
| 08-14 02:35 | 80m | -6 / - | TF3VS | - / - | 5 | Partial capture |
| 08-14 02:35 | 80m | - / - | EA5HM | -12 / - | 4 | Partial capture |
| 08-14 02:33 | 80m | -4 / -10 | IW2DNI | +12 / 0 | 5 | ✓ Full exchange observed |
| 08-14 02:31 | 80m | -6 / - | 9A4BP/P | - / -13 | 2 | Partial capture |
| 08-14 02:30 | 80m | -4 / - | TN8GD | - / - | 2 | Partial capture |
| 08-13 02:31 | 80m | -9 / - | ZY7F | - / - | 5 | Partial capture |
| 08-12 02:03 | 20m | - / -12 | IU2VBP | -16 / - | 4 | ✓ Closing fragment |
| 08-11 02:04 | 40m | -13 / - | K8USA | - / -11 | 3 | Partial capture |
| 08-11 01:53 | 40m | -17 / - | KT4WI | - / -5 | 5 | ✓ Closing fragment |
| 08-11 01:51 | 40m | -16 / - | HC1BG | - / - | 2 | Partial capture |
| 08-10 03:26 | 20m | -17 / - | HK3YL | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 194700 +3 410 UF5F DL9MY R+10 195315 -10 1612 D2IM UF5F KO98 195330 +1 2377 UF5F D2IM -06 195345 -10 1612 D2IM UF5F R+02 195400 -4 2377 UF5F D2IM RR73 195445 -8 1612 CQ JA UF5F KO98 (x4) 195845 -3 1612 IK0XBU/P UF5F -21 202030 -17 814 UF5F NP3RK RR73 210045 -4 1324 UF5F N1HMT +06 (x3) 024815 -24 1357 UF5F XE1RBV -02
UTC dB Audio Message 195845 +1 1549 CQ JA UF5F KO98 195900 -7 1494 UF5F IK6GTF JN72 195915 +3 1549 IK6GTF UF5F -14 195930 -2 1493 UF5F IK6GTF R-05 (x2) 200115 +6 1549 CQ JA UF5F KO98 (x4) 200315 -1 1549 JA5MHD UF5F KO98 (x5) 200715 -7 1549 JA5XAE UF5F KO98
UTC dB Audio Message 022530 -10 2359 UF5F R2EC KO82 (x2) 205100 -2 1580 HL5BPF UF5F KO98 (x5) 205330 +0 1580 CQ DX UF5F KO98 (x2) 205430 +1 1580 DL3RSK UF5F -15 205445 -8 434 UF5F SK7OL JO66 205600 +1 1580 CQ DX UF5F KO98 205630 -4 1580 JM3UGA UF5F KO98 (x3)
UTC dB Audio Message 192915 -15 1400 UF5F RV3KC 73 194545 -23 1408 IK1RQX UF5F RR73 194645 -24 1408 LU9IMM UF5F RR73 194715 -21 1408 CQ SA UF5F KO98 (x3) 195445 -21 1408 ZW1WEB UF5F KO98 134615 -14 778 UF5F A71AT -16 060100 -11 2297 UF5F <...> -08 130230 -7 1413 UF5F DK3HV JO31 130700 -18 1413 PY2DS UF5F R-17 (x2) 130800 -23 1413 CQ JA UF5F KO98 131630 -22 1413 JH5FTY UF5F -21 174730 -14 2576 UF5F R6OE KN87
UTC dB Audio Message 194745 -10 980 UF5F R6ML LN17 (x2) 194815 +4 1497 UF5F OM2WQ JN88 194830 -16 843 R6ML UF5F RR73 194845 -16 2002 UF5F RA6ATZ KN96 194845 -6 981 UF5F R6ML 73 194845 +2 1497 UF5F OM2WQ JN88 194900 -11 844 OM2WQ UF5F -17 194915 +0 1497 UF5F OM2WQ R-18 194930 -12 844 OM2WQ UF5F RR73 194945 -16 2003 UF5F RA6ATZ KN96 194945 +6 1497 UF5F OM2WQ 73 195015 -17 2003 UF5F RA6ATZ KN96 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.