OH4JFN — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving OH4JFN, decoded by SO8OO in southeastern Poland. 721 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 43 UTC dates. Heard between 2026-06-19 and 2026-08-22.
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations OH4JFN worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by OH4JFN
Approximate centre of KP32, decoded 2026-08-24 12:36 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 | OH4JFN S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 12:35 | 20m | +2 / - | IH9YMC | - / - | 3 | Partial capture |
| 08-24 11:52 | 20m | -18 / - | WB5RQB | - / - | 2 | Partial capture |
| 08-24 09:42 | 20m | -4 / - | YV5JLO | - / - | 6 | Partial capture |
| 08-22 03:09 | 80m | -19 / -13 | HB9ALO | +5 / -19 | 4 | ✓ Full exchange observed |
| 08-22 03:08 | 80m | - / - | DO9BAU | -1 / - | 13 | Partial capture |
| 08-22 03:07 | 80m | -12 / -8 | ES2AJ | 0 / - | 3 | ✓ Closing observed |
| 08-22 02:17 | 80m | - / - | DO9BAU | -1 / - | 13 | Partial capture |
| 08-22 02:14 | 80m | +1 / - | LA3RLA | - / -13 | 2 | Partial capture |
| 08-22 01:39 | 80m | - / - | DO1MGN | -14 / - | 5 | Partial capture |
| 08-22 01:38 | 80m | +2 / -7 | MM0KQC | -7 / -12 | 4 | ✓ Full exchange observed |
| 08-22 01:36 | 80m | +6 / -2 | F5MYK | -8 / - | 6 | Partial capture |
| 08-22 01:33 | 80m | 0 / - | F5NNN | - / - | 3 | Partial capture |
| 08-22 01:32 | 80m | - / - | DO9BAU | +2 / - | 12 | Partial capture |
| 08-22 01:31 | 80m | +6 / -1 | DH1KJ | +6 / -16 | 4 | ✓ Full exchange observed |
| 08-22 01:29 | 80m | -1 / -8 | EC3A | -22 / -19 | 5 | ✓ Full exchange observed |
| 08-22 00:44 | 80m | 0 / - | TF3VS | - / - | 5 | Partial capture |
| 08-21 23:44 | 80m | -14 / -10 | OK1AMF | +10 / -12 | 5 | ✓ Full exchange observed |
| 08-21 22:44 | 80m | -8 / -5 | UA9CR | -14 / -17 | 5 | ✓ Full exchange observed |
| 08-21 22:37 | 80m | -2 / - | TF3VS | - / - | 3 | Partial capture |
| 08-21 22:36 | 80m | +7 / -10 | MW9LQA | -9 / -13 | 4 | ✓ Full exchange observed |
| 08-21 21:44 | 80m | - / - | DO9BAU | +7 / - | 13 | Partial capture |
| 08-21 21:43 | 80m | -10 / +10 | SK5AD | -2 / -10 | 4 | ✓ Full exchange observed |
| 08-21 21:03 | 80m | -8 / - | PA0MUS | - / -16 | 2 | Partial capture |
| 08-21 21:01 | 80m | - / -13 | YU7AS | +6 / - | 3 | ✓ Closing fragment |
| 08-21 20:59 | 80m | - / - | IK6GTF | -9 / - | 7 | Partial capture |
| 08-21 20:58 | 80m | -10 / 0 | G4CDN | +4 / -1 | 4 | ✓ Full exchange observed |
| 08-21 20:54 | 80m | -12 / - | R8LCI | - / -10 | 3 | ✓ Closing fragment |
| 08-21 19:49 | 80m | -8 / - | RX3DRC | - / -11 | 2 | ✓ Closing fragment |
| 08-21 19:46 | 80m | -3 / -7 | G6CUT | +1 / -10 | 7 | ✓ Full exchange observed |
| 08-21 19:45 | 80m | -3 / -2 | RA2FU | -10 / -12 | 3 | ✓ Full exchange observed |
| 08-21 19:44 | 80m | +3 / - | UB0SMX/P | - / - | 2 | Partial capture |
| 08-21 19:41 | 80m | +1 / -17 | YO4LUP | -10 / - | 4 | ✓ Closing observed |
| 08-21 18:46 | 80m | -7 / +6 | R2FEA | +8 / - | 3 | Partial capture |
| 08-21 18:43 | 80m | -8 / -8 | UR4LG | -2 / - | 4 | ✓ Closing observed |
| 08-21 18:39 | 80m | -6 / - | R9SAP | - / -4 | 3 | ✓ Closing fragment |
| 08-21 18:37 | 80m | -7 / - | BA7SAY | - / - | 7 | Partial capture |
| 08-21 03:13 | 80m | -20 / -16 | OK1WE | +12 / - | 4 | Partial capture |
| 08-21 03:12 | 80m | -19 / - | EA3JW | - / - | 2 | Partial capture |
| 08-21 03:10 | 80m | -18 / -14 | YO9IAB | +4 / - | 5 | ✓ Closing observed |
| 08-21 02:30 | 80m | - / - | DO9BAU | +11 / - | 13 | Partial capture |
| 08-21 02:29 | 80m | -12 / -11 | IK5CHL | +4 / -18 | 6 | ✓ Full exchange observed |
| 08-21 01:46 | 80m | -13 / - | UR7FM | - / - | 4 | Partial capture |
| 08-21 01:43 | 80m | -10 / -19 | EA2DYB | -10 / - | 4 | ✓ Closing observed |
| 08-21 01:06 | 80m | - / - | DO9BAU | +7 / - | 13 | Partial capture |
| 08-21 01:05 | 80m | -16 / -5 | HB9CXZ | +14 / -4 | 4 | ✓ Full exchange observed |
| 08-21 00:49 | 40m | - / -18 | UK8OM | 0 / - | 2 | ✓ Closing fragment |
| 08-21 00:17 | 20m | - / -17 | PY6HD | -1 / - | 2 | ✓ Closing fragment |
| 08-21 00:07 | 80m | +5 / -14 | UX7QV | +16 / - | 3 | ✓ Closing observed |
| 08-20 22:58 | 80m | -14 / -18 | IK4LZH | +7 / -18 | 10 | ✓ Full exchange observed |
| 08-20 22:55 | 80m | -4 / - | F8FUA | - / - | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 001715 -2 2175 OH4JFN PY6HD -17 (x2) 050415 -13 1439 OH4JFN ZL2BX RR73 082345 -12 707 OH4JFN DL1YS JO40 094215 -11 1558 YV5JLO OH4JFN KP32 (x6) 115200 -16 1579 WB5RQB OH4JFN KP32 (x2) 123515 +1 2807 IH9YMC OH4JFN KP32 (x3)
UTC dB Audio Message 030900 -8 2302 OH4JFN DO9BAU JO62 030915 +3 702 OH4JFN HB9ALO -13 030930 -19 703 HB9ALO OH4JFN R-19 030930 +1 2302 OH4JFN DO9BAU JO62 030945 +7 702 OH4JFN HB9ALO RR73 031000 -19 702 HB9ALO OH4JFN 73 031000 +0 2302 OH4JFN DO9BAU JO62 (x9)
UTC dB Audio Message 212945 -15 1721 OH4JFN DK9OV JN58 (x3) 224430 -18 1539 Z33PB OH4JFN KP32 (x4) 231130 -21 1539 W6IBU OH4JFN KP32 231315 -21 1851 KD0NDU OH4JFN R-17 231945 -15 2113 4S6YRW OH4JFN KP32 232515 -19 1539 R0QBB OH4JFN KP32 232545 -14 1087 <...> OH4JFN R-02 042545 -17 1282 OH4JFN F6FDY JN33 004930 +1 631 OH4JFN UK8OM -18 (x2)
UTC dB Audio Message 120545 -11 1362 OH4JFN DO3HCS JO52 (x3) 074215 -18 2035 OH4JFN DN9SGE JO42 (x2) 075930 -6 455 OH4JFN R2ZC KO81 091100 -2 2614 OH4JFN ON5CD RR73 100815 -18 1079 OH4JFN DN9SHA -19 105830 -8 2632 OH4JFN SV2AEL -20 (x2) 100000 -5 2113 OH4JFN F5OHS RR73 123845 -21 2099 OH4JFN UR5LY -05 (x4)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.