JF0CSK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JF0CSK, decoded by SO8OO in southeastern Poland. 278 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 25 UTC dates. Heard between 2026-06-01 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 JF0CSK worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by JF0CSK
Approximate centre of PM86, decoded 2026-08-23 20:12 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 | JF0CSK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 20:16 | 40m | - / -7 | EA5JLB | -11 / - | 2 | Partial capture |
| 08-23 20:14 | 40m | - / -7 | UA6LIK | 0 / - | 2 | Partial capture |
| 08-23 20:13 | 40m | -10 / - | IS0LYN | -8 / - | 2 | ✓ Closing observed |
| 08-23 20:11 | 40m | -10 / - | CN8NS | - / - | 2 | Partial capture |
| 08-23 20:09 | 40m | -12 / -18 | R6FFB | +5 / - | 4 | ✓ Closing observed |
| 08-23 20:04 | 40m | -8 / - | CN8NS | - / - | 7 | Partial capture |
| 08-23 20:01 | 40m | -16 / - | CN8NS | - / - | 2 | Partial capture |
| 08-20 21:53 | 20m | - / - | UX1VT | -11 / - | 3 | Partial capture |
| 08-20 21:07 | 20m | - / -16 | F4MTU | +11 / - | 3 | ✓ Closing fragment |
| 08-20 20:58 | 40m | - / -9 | LZ9DX | -11 / - | 6 | Partial capture |
| 08-20 20:43 | 40m | - / -7 | UT3RO | -1 / - | 5 | ✓ Closing fragment |
| 08-20 20:42 | 40m | - / -13 | ON4IQ | +15 / - | 2 | ✓ Closing fragment |
| 08-20 19:56 | 80m | - / -13 | UR1CCT | +19 / - | 3 | ✓ Closing fragment |
| 08-16 19:24 | 80m | - / - | UT7UA | +8 / - | 6 | Partial capture |
| 08-16 19:23 | 80m | - / -17 | DM2RM | +19 / - | 2 | ✓ Closing fragment |
| 08-16 19:22 | 80m | - / -10 | R7CD | +3 / - | 6 | Partial capture |
| 08-14 22:54 | 20m | - / -3 | 9A1DR | 0 / - | 2 | ✓ Closing fragment |
| 08-12 20:14 | 80m | - / -19 | LZ1QV | +14 / - | 2 | ✓ Closing fragment |
| 08-12 19:56 | 80m | - / - | RY7F | -14 / - | 4 | Partial capture |
| 08-12 19:54 | 80m | - / -16 | UA3PY | -12 / - | 2 | ✓ Closing fragment |
| 08-12 19:51 | 80m | - / -21 | LA9GX | +3 / - | 2 | ✓ Closing fragment |
| 08-12 19:43 | 80m | - / -18 | R3BDQ | -8 / - | 2 | Partial capture |
| 08-12 19:43 | 80m | - / -22 | UA3PY | -6 / - | 5 | Partial capture |
| 08-12 19:42 | 80m | - / -14 | SV8TCK | -9 / - | 2 | ✓ Closing fragment |
| 08-12 19:34 | 80m | - / -19 | IU6KKW | -7 / - | 3 | ✓ Closing fragment |
| 08-12 19:30 | 80m | -24 / -20 | RT6Z | +10 / - | 4 | ✓ Closing observed |
| 08-12 19:29 | 80m | - / - | 9A4ZM | +5 / - | 3 | Partial capture |
| 08-12 19:26 | 80m | - / -15 | LZ1GC | +2 / - | 2 | Partial capture |
| 08-12 19:20 | 80m | - / -18 | EU3AA | +14 / - | 3 | ✓ Closing fragment |
| 08-05 22:13 | 20m | - / - | CT1EEX | -9 / - | 2 | Partial capture |
| 08-05 21:11 | 20m | -18 / -22 | EC5CFV | -11 / - | 3 | ✓ Closing observed |
| 08-05 21:06 | 20m | - / -14 | F1DJY | +10 / - | 2 | ✓ Closing fragment |
| 08-05 20:54 | 40m | - / -23 | HB9CZF | -4 / - | 2 | ✓ Closing fragment |
| 08-05 20:16 | 40m | - / - | PD1EN | -21 / - | 3 | Partial capture |
| 08-05 20:09 | 40m | - / -10 | US2YW | -5 / - | 3 | ✓ Closing fragment |
| 08-05 20:08 | 40m | - / -17 | LY5J | -6 / - | 2 | ✓ Closing fragment |
| 08-05 19:18 | 80m | - / -14 | 9A1KO | +7 / - | 4 | Partial capture |
| 08-05 19:17 | 80m | - / -20 | SV9FBK | -5 / - | 2 | ✓ Closing fragment |
| 08-05 19:15 | 80m | - / - | RO2X | -1 / - | 3 | ✓ Closing fragment |
| 08-05 19:11 | 40m | - / -11 | UR5TOC | -8 / - | 6 | Partial capture |
| 08-05 19:11 | 40m | - / - | OK2ON | -12 / - | 3 | Partial capture |
| 08-05 19:08 | 40m | - / - | DL7ARV | -10 / - | 2 | ✓ Closing fragment |
| 07-25 22:30 | 20m | - / -11 | SV9/PD9VOG | +12 / - | 2 | Partial capture |
| 07-25 22:13 | 20m | - / -9 | ON5UN | -14 / - | 2 | ✓ Closing fragment |
| 07-21 22:07 | 20m | -15 / - | TU5MM | - / - | 3 | Partial capture |
| 07-21 08:33 | 10m | - / - | YO9HB | -8 / - | 3 | Partial capture |
| 07-20 19:56 | 40m | - / -12 | HB9DGZ | -1 / - | 2 | ✓ Closing fragment |
| 07-20 19:42 | 20m | - / -17 | G8NJL | -14 / - | 3 | Partial capture |
| 07-20 19:18 | 20m | -22 / - | ON3BAJ | - / - | 5 | Partial capture |
| 07-20 19:04 | 40m | - / -15 | S51DD | -14 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200745 -9 2447 CN8NS JF0CSK PM86 (x3) 200930 +5 2159 JF0CSK R6FFB LN14 (x2) 201015 -12 2447 R6FFB JF0CSK RR73 201030 +4 2159 JF0CSK R6FFB 73 201145 -8 2346 CN8NS JF0CSK PM86 (x2) 201345 -10 2345 IS0LYN JF0CSK RR73 201400 -8 2250 JF0CSK IS0LYN 73 201400 -1 1837 JF0CSK UA6LIK LN08 (x2) 201630 -12 2296 JF0CSK EA5JLB -07 (x2)
UTC dB Audio Message 211230 -18 921 EC5CFV JF0CSK RR73 212430 -16 1693 JF0CSK F4MUD -06 221300 -10 1634 JF0CSK CT1EEX IM58 (x2) 051100 -5 553 JF0CSK T77BL RR73 061430 +5 1777 JF0CSK F4BPO -07 225415 +1 2679 JF0CSK 9A1DR R-03 (x2) 210715 +12 1861 JF0CSK F4MTU -16 (x3) 215245 -12 709 JF0CSK F5JIW -14 215345 -8 2089 JF0CSK UX1VT KN68 (x3)
UTC dB Audio Message 192330 +5 1721 JF0CSK R7CD KN94 192330 +19 2688 JF0CSK DM2RM -17 192400 +1 1721 JF0CSK R7CD KN94 192400 +19 2688 JF0CSK DM2RM RR73 192430 +9 2779 JF0CSK UT7UA KO50 192430 +1 1721 JF0CSK R7CD KN94 (x2) 192530 +7 2779 JF0CSK UT7UA KO50 (x5) 195600 +18 624 JF0CSK UR1CCT KN69 (x3)
UTC dB Audio Message 084930 -7 491 JF0CSK 5H1KB -18 083330 -9 2211 JF0CSK YO9HB KN34 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.