7Z1SJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 7Z1SJ, decoded by SO8OO in southeastern Poland. 56 related FT8 messages, observed on 40m, 20m, 10m, across 8 UTC dates. Heard between 2026-06-21 and 2026-07-17.
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 7Z1SJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by 7Z1SJ
Approximate centre of LL25, decoded 2026-07-17 23:50 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 | 7Z1SJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-17 23:50 | 20m | -14 / - | W6C | - / -18 | 4 | ✓ Closing fragment |
| 07-17 23:48 | 20m | - / - | N3NVA | -12 / - | 12 | Partial capture |
| 07-17 23:46 | 20m | -14 / - | XE3E | - / -19 | 3 | ✓ Closing fragment |
| 07-17 23:42 | 20m | -13 / - | W6C | - / - | 6 | Partial capture |
| 07-17 23:39 | 20m | -12 / - | VO2NS | - / -9 | 3 | ✓ Closing fragment |
| 07-17 23:34 | 20m | -4 / - | OX3AH | - / -17 | 8 | ✓ Closing fragment |
| 07-17 00:11 | 20m | - / - | EA1IOK | -4 / - | 3 | Partial capture |
| 07-17 00:02 | 20m | -4 / -9 | YN7DS | -8 / -15 | 15 | ✓ Full exchange observed |
| 07-10 02:19 | 20m | -2 / - | 4A1MTY | - / -12 | 7 | ✓ Closing fragment |
| 07-09 03:26 | 20m | -16 / - | 4A1MTY | - / -6 | 2 | Partial capture |
| 07-08 23:44 | 20m | -13 / - | T46FCR | - / - | 2 | Partial capture |
| 07-08 23:37 | 20m | 0 / - | T46FCR | - / - | 3 | Partial capture |
| 07-08 21:57 | 20m | -5 / - | N5G | - / -16 | 5 | ✓ Closing fragment |
| 07-08 19:03 | 20m | +3 / - | KF0YOB | - / -18 | 3 | ✓ Closing fragment |
| 07-08 18:54 | 20m | - / - | II2MPP | -2 / - | 2 | Partial capture |
| 07-08 18:52 | 20m | - / - | EA3RR | -7 / - | 5 | Partial capture |
| 07-08 18:52 | 20m | +4 / - | ZF2OO | - / -17 | 3 | ✓ Closing fragment |
| 07-07 05:28 | 20m | -17 / - | <...> | - / -18 | 3 | Partial capture |
| 07-06 02:24 | 20m | -14 / - | WC5WC | - / -9 | 5 | ✓ Closing fragment |
| 07-04 20:31 | 20m | -11 / - | K2L | - / -19 | 4 | ✓ Closing fragment |
| 06-26 03:27 | 20m | - / - | DK2EU | +6 / - | 2 | Partial capture |
| 06-26 03:23 | 20m | - / - | OH1LXF | -1 / - | 6 | Partial capture |
| 06-26 03:19 | 20m | -4 / - | 3G0YM | - / -14 | 9 | ✓ Closing fragment |
| 06-26 03:17 | 20m | - / - | HK4J | -20 / - | 2 | Partial capture |
| 06-26 03:09 | 20m | +1 / - | 3G0YM | - / - | 11 | Partial capture |
| 06-26 03:08 | 20m | - / - | V31DL | -8 / - | 3 | Partial capture |
| 06-26 03:06 | 20m | +2 / - | J88IH | - / -18 | 5 | ✓ Closing fragment |
| 06-26 01:46 | 20m | -10 / - | W6P | - / - | 2 | Partial capture |
| 06-26 01:37 | 20m | -12 / - | W6P | - / -12 | 8 | ✓ Closing fragment |
| 06-26 01:33 | 20m | -8 / - | VE4ZIM | - / - | 2 | Partial capture |
| 06-26 01:07 | 20m | - / - | W3XOX | -12 / - | 2 | Partial capture |
| 06-26 01:03 | 20m | - / - | W3XOX | -14 / - | 3 | Partial capture |
| 06-26 01:01 | 20m | -4 / - | VE4ZIM | - / - | 7 | Partial capture |
| 06-25 02:25 | 20m | +7 / - | <...> | - / -21 | 5 | Partial capture |
| 06-25 02:22 | 20m | -11 / - | CO6HZ | - / -12 | 3 | ✓ Closing fragment |
| 06-25 02:15 | 20m | -7 / - | CO6HZ | - / - | 7 | Partial capture |
| 06-25 00:42 | 40m | -14 / - | W3DEN | - / -19 | 2 | ✓ Closing fragment |
| 06-25 00:40 | 40m | - / -5 | SP2DTW | -4 / - | 2 | Partial capture |
| 06-25 00:38 | 40m | -18 / - | KP4QVQ | - / -20 | 3 | Partial capture |
| 06-25 00:34 | 40m | -17 / - | OA4ENG | - / -8 | 3 | ✓ Closing fragment |
| 06-25 00:31 | 40m | -9 / - | K4C | - / -18 | 3 | Partial capture |
| 06-24 04:25 | 20m | +3 / - | W6C | - / -17 | 2 | ✓ Closing fragment |
| 06-23 04:54 | 20m | - / - | EA5JKT | -20 / - | 2 | Partial capture |
| 06-23 04:46 | 20m | -7 / - | K0C | - / - | 17 | Partial capture |
| 06-22 23:58 | 20m | -2 / - | VP2MAA | - / -12 | 3 | ✓ Closing fragment |
| 06-22 23:56 | 20m | -2 / - | <...> | - / -15 | 2 | Partial capture |
| 06-22 21:42 | 20m | +2 / - | K4C | - / -17 | 6 | ✓ Closing fragment |
| 06-21 20:26 | 10m | - / - | UA4FKT | -14 / - | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 234900 -15 1977 7Z1SJ N3NVA FN20 (x3) 235045 -16 1765 W6C 7Z1SJ LL25 235100 -10 1977 7Z1SJ N3NVA FN20 235115 -15 1765 W6C 7Z1SJ R-18 235130 -11 1977 7Z1SJ N3NVA FN20 235145 -14 1765 W6C 7Z1SJ R-20 235200 -10 1977 7Z1SJ N3NVA FN20 235215 -12 1766 W6C 7Z1SJ 73 235230 -8 1977 7Z1SJ N3NVA FN20 (x5)
UTC dB Audio Message 003115 -8 2525 K4C 7Z1SJ LL25 (x3) 003445 -18 1994 OA4ENG 7Z1SJ LL25 (x3) 003815 -19 1994 KP4QVQ 7Z1SJ LL25 (x3) 004030 -3 1995 7Z1SJ SP2DTW -05 (x2) 004215 -16 1994 W3DEN 7Z1SJ -19 (x2)
UTC dB Audio Message 202600 -12 1217 7Z1SJ UA4FKT LO23 (x4)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.