JA4DLF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JA4DLF, decoded by SO8OO in southeastern Poland. 399 related FT8 messages, 92 CQ messages, observed on 40m, 20m, across 21 UTC dates. Heard between 2026-04-28 and 2026-07-09.
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 JA4DLF worked most often, as logged from our receiver:
Activity Heatmap
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 | JA4DLF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-09 21:01 | 20m | - / -16 | DK2LG | +22 / - | 4 | ✓ Closing fragment |
| 06-29 21:04 | 20m | - / - | DF3MC | -16 / - | 2 | Partial capture |
| 06-29 21:01 | 20m | - / - | F1PPH | -18 / - | 2 | Partial capture |
| 06-23 21:16 | 20m | - / -12 | M0VGB | -4 / - | 4 | Partial capture |
| 06-22 21:21 | 20m | - / -17 | G0ORX | +10 / - | 2 | ✓ Closing fragment |
| 06-18 21:21 | 20m | -2 / -9 | SV1GYN | +10 / -16 | 4 | ✓ Full exchange observed |
| 06-18 21:19 | 20m | 0 / - | DL2NAE | - / -23 | 2 | Partial capture |
| 06-18 21:17 | 20m | -4 / -8 | EA5KDN | -8 / -24 | 9 | ✓ Full exchange observed |
| 06-18 21:16 | 20m | -4 / - | TA3ZGR | - / -19 | 2 | ✓ Closing fragment |
| 06-18 21:11 | 20m | 0 / +3 | OH3EZ | +1 / +2 | 4 | Partial capture |
| 06-18 21:11 | 20m | -4 / - | R1BQ | - / -6 | 2 | ✓ Closing fragment |
| 06-18 21:09 | 20m | +2 / - | DL0EO | - / -14 | 2 | ✓ Closing fragment |
| 06-18 21:08 | 20m | 0 / - | DL1R | - / -15 | 2 | ✓ Closing fragment |
| 06-18 21:05 | 20m | +1 / -6 | OE8PIT | -17 / - | 2 | ✓ Closing observed |
| 06-18 20:59 | 20m | +2 / +6 | RW4F | +5 / 0 | 5 | ✓ Full exchange observed |
| 06-18 20:56 | 20m | - / -5 | SM2SCK | 0 / - | 5 | ✓ Closing fragment |
| 06-18 20:56 | 20m | - / - | TA3ZGR | -10 / - | 2 | Partial capture |
| 06-18 20:53 | 20m | - / -19 | Z31B | -4 / - | 2 | ✓ Closing fragment |
| 06-18 20:46 | 20m | -4 / -13 | HB9EKJ | -18 / -18 | 8 | ✓ Full exchange observed |
| 06-18 20:46 | 20m | 0 / - | EB5GG | - / -22 | 2 | ✓ Closing fragment |
| 06-18 20:44 | 20m | -4 / - | PD0IFI | - / - | 2 | Partial capture |
| 06-14 20:53 | 20m | +3 / - | EA1FUB | -12 / -14 | 3 | Partial capture |
| 06-14 20:52 | 20m | 0 / -11 | DK1MCS | -4 / - | 4 | ✓ Closing observed |
| 06-14 20:49 | 20m | +4 / -12 | UE0DR | -7 / -9 | 5 | ✓ Full exchange observed |
| 06-14 20:48 | 20m | 0 / - | SA0MRT | - / -10 | 2 | ✓ Closing fragment |
| 06-14 20:46 | 20m | 0 / - | SP9VEY | - / -9 | 2 | ✓ Closing fragment |
| 06-14 20:43 | 20m | -1 / - | BH4HGH | -10 / -17 | 4 | Partial capture |
| 06-14 20:43 | 20m | -2 / -9 | RA5AK | -12 / -7 | 4 | ✓ Full exchange observed |
| 06-14 20:41 | 20m | 0 / -19 | ON3AVT | 0 / - | 6 | ✓ Closing observed |
| 06-14 20:41 | 20m | +1 / - | PD1MB | - / -17 | 2 | ✓ Closing fragment |
| 06-14 20:39 | 20m | +2 / -2 | F1HSY | -4 / -13 | 6 | ✓ Full exchange observed |
| 06-14 20:38 | 20m | - / - | DK1MCS | 0 / - | 3 | Partial capture |
| 06-14 20:38 | 20m | 0 / -6 | F5IXN | -8 / +1 | 5 | ✓ Full exchange observed |
| 06-14 20:36 | 20m | +2 / -16 | ON3AVT | -11 / -23 | 5 | Partial capture |
| 06-14 20:35 | 20m | +4 / - | ON8SGA | - / -10 | 3 | ✓ Closing fragment |
| 06-14 20:34 | 20m | - / -3 | RA3TD | -6 / - | 2 | ✓ Closing fragment |
| 06-14 20:32 | 20m | +6 / - | IQ9BF | - / - | 2 | Partial capture |
| 06-11 20:38 | 20m | - / +2 | BA8BLK | -11 / - | 3 | ✓ Closing fragment |
| 06-11 20:33 | 20m | +2 / -4 | RD4AAK | +4 / -6 | 3 | ✓ Full exchange observed |
| 06-11 20:18 | 40m | - / -3 | SV1RXI | -12 / - | 4 | Partial capture |
| 06-09 21:11 | 20m | -1 / - | EA4FME | - / -25 | 3 | Partial capture |
| 06-09 21:07 | 20m | +1 / -9 | EA7KO | 0 / -17 | 4 | ✓ Full exchange observed |
| 06-09 21:03 | 20m | - / -13 | I7OXH | -9 / - | 3 | ✓ Closing fragment |
| 06-09 20:58 | 20m | 0 / - | DG9XN | - / -19 | 2 | ✓ Closing fragment |
| 06-08 20:29 | 20m | 0 / - | IU4PPL | -13 / -5 | 5 | ✓ Full exchange observed |
| 06-08 20:28 | 20m | +2 / - | EW3FF | - / -7 | 2 | ✓ Closing fragment |
| 06-08 20:27 | 20m | 0 / - | F4VWS | -4 / -19 | 3 | Partial capture |
| 06-08 20:26 | 20m | +4 / - | SP6TO | - / -14 | 3 | ✓ Closing fragment |
| 06-08 20:23 | 20m | +9 / -9 | EA3DM | -16 / -14 | 3 | ✓ Full exchange observed |
| 06-08 20:22 | 20m | +8 / - | 3Z0L | - / -16 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 211700 -6 2498 JA4DLF M0VGB -12 (x2) 210130 -15 1830 JA4DLF F1PPH JN25 (x2) 210200 -11 1746 JA4DLF M0PEL JO01 210400 -15 1746 JA4DLF DF3MC JN57 (x2) 210600 -8 978 JA4DLF G8IXM JO02 210600 -3 2372 JA4DLF G4DBW JO01 210730 -15 1803 JA4DLF EA6TU JM19 210900 -3 1909 JA4DLF IK2DFS JN46 210100 +19 2884 JA4DLF DK2LG JO53 (x4)
UTC dB Audio Message 201815 -8 1990 JA4DLF SV1RXI KM08 (x4)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.