YU7EF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving YU7EF, decoded by SO8OO in southeastern Poland. 99 related FT8 messages, 4 CQ messages, observed on 40m, 20m, across 18 UTC dates. Heard between 2026-05-24 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 YU7EF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by YU7EF
Approximate centre of KN04, decoded 2026-06-06 19:03 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 | YU7EF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 20:24 | 20m | -8 / - | 7Z1BQ | - / -16 | 17 | Partial capture |
| 08-22 20:20 | 20m | - / - | EB3JT | 0 / - | 5 | Partial capture |
| 08-22 20:19 | 20m | - / -14 | BU2FW | -14 / - | 2 | Partial capture |
| 08-21 19:45 | 20m | -4 / - | <...> | - / -9 | 20 | Partial capture |
| 08-20 22:16 | 20m | - / - | XU7O | -11 / - | 2 | ✓ Closing fragment |
| 08-12 20:00 | 20m | -21 / - | TT1GD | - / -12 | 3 | Partial capture |
| 08-07 10:11 | 20m | - / -9 | RK4FF | -6 / - | 3 | Partial capture |
| 08-06 20:38 | 40m | -22 / - | 8Q7PR | - / -15 | 4 | Partial capture |
| 08-02 07:46 | 20m | -22 / - | XE1TZP | - / -18 | 4 | Partial capture |
| 08-02 06:02 | 20m | - / -12 | OA4YX | -16 / - | 2 | ✓ Closing fragment |
| 07-17 22:39 | 20m | -23 / - | XE1RK | - / -19 | 2 | Partial capture |
| 07-17 22:34 | 20m | -20 / - | XE1RK | - / -15 | 2 | Partial capture |
| 07-13 20:30 | 20m | -12 / - | V31MA | - / -18 | 2 | ✓ Closing fragment |
| 07-13 19:59 | 20m | - / -8 | JR7DXE | -18 / - | 2 | Partial capture |
| 07-10 22:17 | 20m | - / -14 | V31MA | -16 / - | 2 | ✓ Closing fragment |
| 07-08 19:02 | 20m | -16 / - | OS4K | - / -7 | 3 | ✓ Closing fragment |
| 07-08 18:54 | 20m | -12 / - | DS5USH | - / -16 | 8 | ✓ Closing fragment |
| 07-04 18:26 | 20m | -4 / - | 8A1WWA | - / -18 | 2 | ✓ Closing fragment |
| 07-04 17:22 | 20m | - / - | IC8TEM | -18 / - | 3 | Partial capture |
| 07-02 20:32 | 20m | - / -13 | TN8GD | -10 / - | 2 | ✓ Closing fragment |
| 06-17 20:27 | 20m | -6 / - | BG2FYO | - / -15 | 13 | Partial capture |
| 06-17 20:22 | 20m | -9 / - | BG2FYO | - / -14 | 3 | Partial capture |
| 06-13 22:38 | 20m | - / -10 | PJ2/PH2M | 0 / - | 2 | Partial capture |
| 06-13 22:36 | 20m | -12 / - | <...> | - / - | 2 | Partial capture |
| 06-13 22:33 | 20m | +8 / - | PJ2/PH2M | - / - | 2 | Partial capture |
| 06-13 22:25 | 20m | +7 / - | <...> | - / - | 12 | Partial capture |
| 06-13 22:21 | 20m | +11 / - | <...> | - / - | 3 | Partial capture |
| 06-06 19:20 | 20m | - / - | RL9M | -6 / - | 2 | Partial capture |
| 06-06 19:03 | 40m | - / -11 | HG8LXL | -2 / - | 3 | ✓ Closing fragment |
| 06-06 19:02 | 40m | -1 / -7 | R95WTA | -14 / -10 | 5 | ✓ Full exchange observed |
| 06-06 18:58 | 40m | -4 / - | RZ0SW | - / -20 | 3 | ✓ Closing fragment |
| 06-01 16:07 | 20m | - / -19 | OS4K | -11 / - | 3 | Partial capture |
| 06-01 16:07 | 20m | - / - | RA6FSV | +2 / - | 2 | Partial capture |
| 06-01 15:50 | 20m | - / -16 | YE4FNN | -8 / - | 2 | ✓ Closing fragment |
| 06-01 14:48 | 20m | - / -18 | R0AX | 0 / - | 2 | ✓ Closing fragment |
| 05-29 11:53 | 20m | - / -5 | EC3A | -4 / - | 2 | Partial capture |
| 05-29 07:08 | 20m | - / -8 | RC9WC | +4 / - | 2 | Partial capture |
| 05-29 06:56 | 20m | -1 / - | TO3E | - / -18 | 2 | Partial capture |
| 05-29 06:46 | 20m | +6 / - | TO3E | - / -10 | 7 | Partial capture |
| 05-28 17:21 | 20m | - / - | UA4FKT | +11 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 202530 -10 2327 7Z1BQ YU7EF -13 (x15)
UTC dB Audio Message 185945 -2 2145 RZ0SW YU7EF 73 190200 -2 2180 R95WTA YU7EF KN04 190215 -14 1674 YU7EF R95WTA -07 190230 -2 2180 R95WTA YU7EF R-10 190245 -13 1674 YU7EF R95WTA RR73 190300 +0 2180 R95WTA YU7EF 73 190330 -1 2180 CQ YU7EF KN04 190345 -1 2184 YU7EF HG8LXL KN06 (x3) 203215 -18 1891 8Q7PR YU7EF -15 (x5)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.