F5GSJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving F5GSJ, decoded by SO8OO in southeastern Poland. 670 related FT8 messages, 531 CQ messages, observed on 80m, 40m, 20m, across 35 UTC dates. Heard between 2026-05-28 and 2026-08-21.
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 F5GSJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by F5GSJ
Approximate centre of JN18, decoded 2026-08-21 06:39 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 | F5GSJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 06:32 | 20m | -4 / - | UR5WCS | - / 0 | 3 | Partial capture |
| 08-21 06:20 | 20m | - / -17 | RA9CUU | -12 / - | 2 | ✓ Closing fragment |
| 08-21 04:56 | 40m | -14 / - | AA5GI | - / -11 | 2 | ✓ Closing fragment |
| 08-21 04:52 | 40m | -16 / - | AA5IT | - / -8 | 4 | ✓ Closing fragment |
| 08-21 04:48 | 40m | -19 / - | J88IH | - / - | 2 | ✓ Closing fragment |
| 08-21 04:15 | 40m | - / -8 | YO4GIY | -2 / - | 2 | ✓ Closing fragment |
| 08-21 04:08 | 40m | -13 / - | K5RSB | - / -17 | 5 | Partial capture |
| 08-21 04:06 | 40m | -16 / - | KE4WLE | - / -14 | 2 | ✓ Closing fragment |
| 08-20 05:10 | 20m | -10 / - | W4MAA | - / - | 3 | Partial capture |
| 08-20 05:04 | 20m | -6 / - | KB8BSN | - / - | 3 | Partial capture |
| 08-20 05:02 | 20m | -3 / - | KB2AT | - / -17 | 4 | ✓ Closing fragment |
| 08-20 04:58 | 20m | +2 / - | N3YPL | - / -8 | 5 | ✓ Closing fragment |
| 08-20 04:53 | 20m | -2 / - | WA4LQS | - / -15 | 6 | Partial capture |
| 08-20 04:51 | 20m | -2 / - | K4YT | - / - | 4 | Partial capture |
| 08-20 04:35 | 20m | -9 / -14 | XQ1KK | -6 / -10 | 5 | ✓ Full exchange observed |
| 08-20 04:32 | 20m | -7 / - | UA3SAO | - / -5 | 2 | Partial capture |
| 08-20 04:27 | 20m | -9 / - | NI9D | - / - | 2 | Partial capture |
| 08-16 06:32 | 20m | -9 / - | <...> | - / - | 3 | Partial capture |
| 08-14 06:34 | 20m | -12 / - | UB3FAT | - / -16 | 6 | ✓ Closing fragment |
| 08-14 06:32 | 20m | -16 / - | R6LQU | -8 / - | 2 | Partial capture |
| 08-14 06:29 | 20m | -15 / -6 | RA3DAD | -4 / - | 5 | ✓ Full exchange observed |
| 08-14 06:11 | 20m | -14 / - | <...> | - / - | 4 | Partial capture |
| 08-10 05:22 | 20m | -14 / - | R9CA | - / -13 | 3 | ✓ Closing fragment |
| 08-09 07:37 | 20m | -13 / - | R3EDI | - / -15 | 2 | Partial capture |
| 08-09 07:34 | 20m | -12 / - | HF7X | - / +1 | 2 | ✓ Closing fragment |
| 08-09 07:31 | 20m | -14 / - | F4LJG | - / -6 | 2 | ✓ Closing fragment |
| 08-09 07:21 | 20m | -23 / -7 | IZ4VVL | -6 / - | 4 | ✓ Closing observed |
| 08-09 07:15 | 20m | -18 / - | RX4SA | - / -10 | 4 | ✓ Closing fragment |
| 08-09 07:13 | 20m | -15 / - | IS0KNG | - / -9 | 3 | Partial capture |
| 08-07 04:58 | 20m | -16 / -8 | RA6FSV | -3 / -18 | 5 | ✓ Full exchange observed |
| 08-07 04:56 | 20m | -12 / - | SV1OML | - / -13 | 2 | ✓ Closing fragment |
| 08-07 04:56 | 20m | -14 / -12 | IZ8VYU | -9 / - | 3 | ✓ Closing observed |
| 08-07 04:51 | 20m | -15 / - | IW5ALZ | - / +7 | 3 | Partial capture |
| 08-07 04:49 | 20m | -16 / - | R2EN | - / -10 | 2 | ✓ Closing fragment |
| 08-07 04:47 | 20m | -18 / - | YO6PPX | - / -18 | 2 | ✓ Closing fragment |
| 08-06 14:22 | 20m | -10 / - | TA3F | - / -9 | 2 | ✓ Closing fragment |
| 08-06 14:15 | 20m | -5 / - | DL9KM | - / +4 | 2 | ✓ Closing fragment |
| 08-06 14:13 | 20m | +4 / - | OK2CNI | - / +1 | 2 | ✓ Closing fragment |
| 08-06 14:11 | 20m | 0 / - | BG5MVD | - / - | 3 | Partial capture |
| 08-06 14:03 | 20m | -6 / - | F4HSB | - / -9 | 4 | Partial capture |
| 08-06 14:01 | 20m | -9 / - | OZ9TAN | - / +4 | 2 | ✓ Closing fragment |
| 08-06 13:52 | 20m | -7 / - | BG8HNC | - / - | 4 | Partial capture |
| 08-05 06:49 | 20m | -14 / - | UA0SM | - / -9 | 2 | ✓ Closing fragment |
| 08-05 06:41 | 20m | 0 / - | AH6HY | - / - | 7 | Partial capture |
| 08-05 06:39 | 20m | +2 / - | I3QDK | -13 / -2 | 3 | ✓ Closing observed |
| 08-05 06:34 | 20m | +3 / - | R6DVV | -18 / -7 | 2 | Partial capture |
| 08-05 06:33 | 20m | +4 / - | SQ8AA | - / - | 2 | ✓ Closing fragment |
| 08-05 06:31 | 20m | +7 / - | UT4QM | -14 / -19 | 4 | ✓ Closing observed |
| 08-05 06:11 | 20m | -9 / - | AH6U | - / - | 4 | ✓ Closing fragment |
| 08-04 03:33 | 40m | - / - | R6LE | -6 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 052015 -9 2405 CQ NA F5GSJ JN18 (x7) 061715 -24 1634 F5GSJ JY5IB -09 062045 -11 1152 F5GSJ RA9CUU -17 (x2) 063045 -16 1844 CQ F5GSJ JN18 063230 -5 1845 UR5WCS F5GSJ +00 (x3) 063900 -12 1860 AH6HY F5GSJ JN18
UTC dB Audio Message 045345 -15 2149 AA5IT F5GSJ RR73 (x2) 045445 -11 2150 CQ F5GSJ JN18 (x3) 045615 -13 2150 AA5GI F5GSJ -11 (x2) 045715 -14 2150 CQ F5GSJ JN18 (x8)
UTC dB Audio Message 061330 -19 2130 UD8S F5GSJ JN18 (x3)
UTC dB Audio Message 023800 -1 2207 EA5HM F5GSJ RR73 023815 -21 1618 F5GSJ EA5HM 73 023830 -6 2206 PW8BR F5GSJ JN18 (x7) 024330 -10 2206 CQ F5GSJ JN18 a1 (x3) 024445 -24 1604 F5GSJ WB8SCG FM16 024515 -9 2206 CQ F5GSJ JN18 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.