JA7ZF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JA7ZF, decoded by SO8OO in southeastern Poland. 182 related FT8 messages, observed on 40m, 20m, 10m, across 30 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 JA7ZF 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 | JA7ZF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 20:26 | 40m | - / -1 | SP6JIU | +18 / - | 2 | ✓ Closing fragment |
| 08-22 20:26 | 40m | - / - | DL8LE | -1 / - | 6 | Partial capture |
| 08-22 20:26 | 40m | - / - | OK1UG | -4 / - | 2 | Partial capture |
| 08-22 20:24 | 40m | -22 / -13 | YT3ZT | -6 / -17 | 4 | ✓ Full exchange observed |
| 08-16 21:32 | 20m | - / -13 | HB9TIH | -16 / - | 5 | Partial capture |
| 08-11 21:50 | 20m | - / -10 | CR5VP | -10 / - | 2 | ✓ Closing fragment |
| 08-11 21:47 | 20m | - / - | CT1FIU | -15 / - | 3 | Partial capture |
| 08-11 21:41 | 20m | - / -3 | IK1VHR | -8 / - | 9 | Partial capture |
| 08-11 21:39 | 20m | - / -2 | I5HLK | -8 / - | 9 | Partial capture |
| 08-11 21:39 | 20m | - / - | OE3HPT | -12 / - | 6 | Partial capture |
| 08-11 21:35 | 20m | - / -8 | CR5VP | -11 / - | 2 | Partial capture |
| 08-10 09:56 | 20m | - / -5 | GW8PSJ | -8 / - | 3 | ✓ Closing fragment |
| 08-04 19:43 | 40m | - / -25 | SP2FWC | -6 / - | 5 | ✓ Closing fragment |
| 08-04 19:42 | 40m | - / -10 | YO8PS | -10 / - | 2 | ✓ Closing fragment |
| 08-04 19:21 | 20m | - / - | IT9VCE | -13 / - | 2 | Partial capture |
| 08-03 21:06 | 40m | - / -13 | A71XX | -11 / - | 3 | ✓ Closing fragment |
| 08-03 20:49 | 40m | - / -18 | UA4FKT | -12 / - | 3 | ✓ Closing fragment |
| 08-02 20:10 | 40m | - / -13 | UA3ZNQ | -6 / - | 2 | ✓ Closing fragment |
| 07-31 20:02 | 40m | - / -20 | UZ5CA | -9 / - | 6 | ✓ Closing fragment |
| 07-27 20:18 | 20m | - / - | IU0VOG | -5 / - | 3 | Partial capture |
| 07-27 20:14 | 20m | -15 / -21 | G0VLF | -11 / - | 12 | ✓ Closing observed |
| 07-27 20:13 | 20m | - / -12 | MM8WXA | -4 / - | 2 | ✓ Closing fragment |
| 07-24 21:30 | 20m | - / -13 | IZ2QGB | -2 / - | 3 | ✓ Closing fragment |
| 07-24 21:29 | 20m | - / -14 | EI5HV | -10 / - | 2 | ✓ Closing fragment |
| 07-20 21:18 | 20m | -22 / - | OH3AA | - / -4 | 2 | ✓ Closing fragment |
| 07-19 19:41 | 20m | -22 / -11 | DK1STE | +1 / -9 | 5 | ✓ Full exchange observed |
| 07-18 20:53 | 20m | - / - | SM3ULU | -14 / - | 2 | Partial capture |
| 07-18 20:36 | 20m | - / - | EA3JHT | -19 / - | 2 | Partial capture |
| 07-15 21:21 | 20m | - / - | SV2SCB | -18 / - | 3 | Partial capture |
| 07-10 20:42 | 20m | - / - | DG6VC | -14 / - | 2 | ✓ Closing fragment |
| 07-07 20:59 | 20m | -14 / -12 | MI6YHI | -23 / -13 | 3 | Partial capture |
| 06-30 19:33 | 40m | - / -18 | UT2VX | +6 / - | 4 | ✓ Closing fragment |
| 06-29 20:13 | 20m | -20 / -6 | DF3MC | -11 / - | 10 | ✓ Closing observed |
| 06-29 20:07 | 20m | - / - | M0XCZ | -1 / - | 4 | Partial capture |
| 06-28 19:45 | 20m | -13 / - | LU2AHD | - / -15 | 2 | ✓ Closing fragment |
| 06-28 19:44 | 20m | -12 / -5 | S55A | 0 / -14 | 4 | ✓ Full exchange observed |
| 06-24 20:30 | 20m | -11 / -5 | UT5MD | +9 / -3 | 6 | ✓ Full exchange observed |
| 06-15 21:02 | 20m | -18 / -8 | RA4FUT | -12 / - | 5 | ✓ Closing observed |
| 06-11 21:42 | 20m | - / +3 | BG2FYO | -15 / - | 2 | ✓ Closing fragment |
| 06-11 21:39 | 20m | - / - | BH4HGH | -16 / - | 2 | ✓ Closing fragment |
| 06-10 19:45 | 20m | - / - | G0GOO | -12 / - | 3 | Partial capture |
| 06-10 19:40 | 20m | -3 / -7 | OD5UI | -5 / -8 | 6 | ✓ Full exchange observed |
| 06-04 20:05 | 20m | +3 / - | OK1UOZ | - / -11 | 2 | ✓ Closing fragment |
| 06-04 19:57 | 20m | - / - | HB9EKJ | -10 / - | 3 | Partial capture |
| 06-04 19:56 | 20m | +2 / - | OJ0Z | - / -9 | 11 | Partial capture |
| 06-04 19:53 | 20m | - / - | IZ2DPX | +10 / - | 3 | Partial capture |
| 06-04 19:52 | 20m | 0 / - | OJ0Z | - / - | 2 | Partial capture |
| 06-04 19:41 | 20m | -9 / - | OJ0Z | - / - | 9 | Partial capture |
| 05-31 20:31 | 20m | -3 / - | OJ0Z | - / - | 3 | Partial capture |
| 05-31 20:16 | 20m | - / - | EA5IDA | +2 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 214500 -10 1558 JA7ZF IK1VHR JN44 (x3) 214700 -15 1736 JA7ZF CT1FIU IN50 (x3) 215000 -10 1145 JA7ZF CR5VP -10 (x2) 213200 -18 1431 JA7ZF HB9TIH JN36 213200 +2 2151 JA7ZF EB3JT JN01 213230 -17 1431 JA7ZF HB9TIH JN36 (x4) 213345 -14 1285 JA7ZF EA6TU RR73
UTC dB Audio Message 194700 -6 844 JA7ZF SP2FWC RR73 202400 -3 1890 JA7ZF YT3ZT -13 (x2) 202445 -21 1779 YT3ZT JA7ZF R-17 (x2) 202600 -2 1624 JA7ZF DL8LE JN68 202600 -4 1781 JA7ZF OK1UG JN89 202630 -3 1624 JA7ZF DL8LE JN68 202630 +22 2884 JA7ZF SP6JIU -01 202630 -3 1781 JA7ZF OK1UG JN89 202700 -3 1624 JA7ZF DL8LE JN68 202700 +15 2884 JA7ZF SP6JIU RR73 202730 -4 1624 JA7ZF DL8LE JN68 (x3)
UTC dB Audio Message 104700 -11 2276 JA7ZF 7Q9PTP -02 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.