UB4FJC — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UB4FJC, decoded by SO8OO in southeastern Poland. 218 related FT8 messages, 5 CQ messages, observed on 40m, 20m, across 3 UTC dates. Heard between 2026-08-22 and 2026-08-24.
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 UB4FJC worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by UB4FJC
Approximate centre of LO13, decoded 2026-08-23 16:14 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 | UB4FJC S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 05:06 | 40m | - / - | I1RJP | -3 / - | 6 | Partial capture |
| 08-24 05:05 | 40m | - / -11 | DK7ZT | -3 / - | 3 | Partial capture |
| 08-24 05:01 | 40m | - / -9 | HA3FIC | +3 / - | 2 | Partial capture |
| 08-24 04:48 | 40m | - / +4 | R8CW/4 | -14 / - | 2 | Partial capture |
| 08-24 04:33 | 40m | - / - | I1RJP | -1 / - | 3 | Partial capture |
| 08-24 04:26 | 40m | - / -12 | YO4NF | +6 / - | 2 | Partial capture |
| 08-24 04:23 | 40m | - / -3 | UB3DQR | -5 / - | 3 | ✓ Closing fragment |
| 08-24 04:22 | 40m | - / -6 | DK7ZT | -11 / - | 3 | Partial capture |
| 08-24 04:19 | 40m | - / -10 | RM3ZK | +1 / - | 3 | ✓ Closing fragment |
| 08-24 04:10 | 40m | - / -9 | YO4NF | 0 / - | 2 | Partial capture |
| 08-24 04:08 | 40m | - / -15 | YO4GIY | -8 / - | 2 | ✓ Closing fragment |
| 08-24 04:06 | 40m | - / - | I1RJP | +3 / - | 3 | Partial capture |
| 08-24 04:06 | 40m | - / -16 | PD2WL | -4 / - | 10 | Partial capture |
| 08-24 04:04 | 40m | - / -2 | UA3LRN | -6 / - | 3 | ✓ Closing fragment |
| 08-24 04:02 | 40m | -18 / - | EN35UKR | - / - | 2 | Partial capture |
| 08-24 03:59 | 40m | - / +1 | OH/SM5MRW | -18 / - | 2 | Partial capture |
| 08-24 03:58 | 40m | - / - | F1IQH | -4 / - | 2 | Partial capture |
| 08-24 03:55 | 40m | - / - | I1RJP | +10 / - | 10 | Partial capture |
| 08-23 17:22 | 40m | - / -16 | RA1AGA | -12 / - | 2 | ✓ Closing fragment |
| 08-23 17:20 | 40m | -22 / -15 | RQ3P | -7 / -10 | 3 | ✓ Full exchange observed |
| 08-23 17:20 | 40m | - / - | UA3UBV | +4 / - | 2 | Partial capture |
| 08-23 17:19 | 40m | - / -18 | DK7ZT | -7 / - | 3 | Partial capture |
| 08-23 17:19 | 40m | - / -14 | RW6ATD | +7 / - | 5 | ✓ Closing fragment |
| 08-23 17:13 | 40m | - / -5 | RZ6CO | -6 / - | 2 | ✓ Closing fragment |
| 08-23 17:11 | 40m | - / -11 | RW6HPS | -9 / - | 3 | ✓ Closing fragment |
| 08-23 17:09 | 40m | - / - | R3PJ | 0 / - | 2 | ✓ Closing fragment |
| 08-23 17:05 | 40m | - / -7 | R3WDW | +5 / - | 3 | ✓ Closing fragment |
| 08-23 17:03 | 40m | - / -12 | R6FFB | +8 / - | 3 | ✓ Closing fragment |
| 08-23 17:01 | 40m | -17 / - | UR5XEJ | - / - | 3 | Partial capture |
| 08-23 16:59 | 40m | - / -8 | RA3TRR | -8 / - | 2 | ✓ Closing fragment |
| 08-23 16:52 | 40m | - / -13 | RW3ZC | +8 / - | 2 | ✓ Closing fragment |
| 08-23 16:48 | 40m | - / -15 | RA3TKS | +1 / - | 4 | ✓ Closing fragment |
| 08-23 16:47 | 40m | - / -23 | R7DX | +4 / - | 5 | ✓ Closing fragment |
| 08-23 16:40 | 40m | - / -7 | 4X5JK | -14 / - | 2 | ✓ Closing fragment |
| 08-23 16:35 | 40m | - / -6 | RA3ZGT | +6 / - | 2 | ✓ Closing fragment |
| 08-23 16:33 | 40m | - / -12 | UA4QK | -13 / - | 5 | ✓ Closing fragment |
| 08-23 16:32 | 40m | - / -14 | UA6HJT | +12 / - | 3 | ✓ Closing fragment |
| 08-23 16:14 | 20m | -6 / - | 9A3AUH | - / - | 2 | Partial capture |
| 08-23 15:26 | 20m | -16 / - | IZ8EYN | - / - | 2 | Partial capture |
| 08-23 15:18 | 20m | -16 / - | IZ8EYN | - / - | 12 | Partial capture |
| 08-23 15:15 | 20m | -16 / - | F4GCB/P | - / - | 2 | Partial capture |
| 08-23 15:10 | 20m | -18 / - | F4GCB/P | - / - | 2 | Partial capture |
| 08-23 15:09 | 20m | -14 / - | ON5GQ | - / - | 2 | Partial capture |
| 08-23 14:54 | 20m | -22 / - | OE6HTG | - / - | 6 | Partial capture |
| 08-23 14:46 | 20m | - / - | RA6FC | -1 / - | 5 | Partial capture |
| 08-23 14:44 | 20m | -22 / -24 | RC6OD | +2 / - | 7 | Partial capture |
| 08-23 14:40 | 20m | -12 / - | OE6HTG | - / - | 2 | Partial capture |
| 08-23 14:26 | 20m | -20 / - | SP5WS | - / - | 7 | Partial capture |
| 08-23 14:24 | 20m | -16 / -15 | M0TRZ | 0 / -12 | 7 | ✓ Full exchange observed |
| 08-23 14:21 | 20m | -20 / - | R1CCX | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 044800 -14 651 UB4FJC R8CW/4 +04 (x2) 045515 -20 1058 UA3RAU UB4FJC 73 045900 +7 892 UB4FJC HA3FIC -11 (x3) 050530 +0 1907 UB4FJC DK7ZT -11 (x2) 050600 -5 1058 UB4FJC I1RJP JN45 050630 -4 1907 UB4FJC DK7ZT -11 050630 -2 1058 UB4FJC I1RJP JN45 (x5)
UTC dB Audio Message 151845 -19 1365 IZ8EYN UB4FJC LO13 (x13) 161400 -5 1364 9A3AUH UB4FJC LO13 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.