UR5SDB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UR5SDB, decoded by SO8OO in southeastern Poland. 119 related FT8 messages, 6 CQ messages, observed on 40m, 20m, 10m, across 12 UTC dates. Heard between 2026-05-21 and 2026-08-16.
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 UR5SDB worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by UR5SDB
Approximate centre of KN28, decoded 2026-08-11 18:51 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 | UR5SDB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-16 11:55 | 10m | - / -4 | F4FSY | -10 / - | 2 | Partial capture |
| 08-12 18:30 | 10m | - / -6 | DO9BAU | -3 / - | 20 | ✓ Closing fragment |
| 08-11 18:48 | 40m | -10 / - | JA4FKX | - / - | 2 | Partial capture |
| 08-11 18:45 | 40m | -11 / -15 | S56LKP | -18 / -6 | 5 | ✓ Full exchange observed |
| 08-11 18:41 | 40m | -7 / -19 | GB64MOD | -16 / -8 | 5 | Partial capture |
| 08-11 17:21 | 10m | - / -7 | DO5WG | -17 / - | 2 | ✓ Closing fragment |
| 08-11 17:02 | 10m | - / - | DM1TRO | -9 / - | 5 | Partial capture |
| 08-10 21:14 | 10m | - / -7 | UR5QW | -7 / - | 2 | ✓ Closing fragment |
| 08-09 23:13 | 40m | - / - | PD0IFI | 0 / - | 4 | ✓ Closing fragment |
| 08-06 17:27 | 20m | - / +3 | F1PPH | -3 / - | 3 | ✓ Closing fragment |
| 08-06 17:16 | 20m | - / -11 | TA2ED | -18 / - | 2 | ✓ Closing fragment |
| 08-06 16:48 | 20m | - / - | PD2WL | -13 / - | 6 | Partial capture |
| 08-06 16:45 | 20m | - / -6 | DF3WI | -3 / - | 4 | ✓ Closing fragment |
| 08-06 16:45 | 20m | - / - | PA7ZZ | -6 / - | 2 | Partial capture |
| 08-06 13:34 | 20m | - / -3 | F1PBZ | -8 / - | 2 | Partial capture |
| 06-21 16:35 | 20m | - / - | 2E1HAT | -1 / - | 3 | Partial capture |
| 06-21 16:32 | 20m | - / -8 | <...> | -12 / - | 2 | Partial capture |
| 06-21 16:27 | 20m | - / -20 | LZ2VQ | -2 / - | 2 | ✓ Closing fragment |
| 06-09 02:22 | 40m | - / -9 | F1PBZ | +8 / - | 2 | ✓ Closing fragment |
| 06-09 02:13 | 40m | - / -7 | KB3Z | -8 / - | 2 | ✓ Closing fragment |
| 06-09 02:10 | 40m | - / +5 | DJ0MAB | +2 / - | 2 | ✓ Closing fragment |
| 06-09 02:10 | 40m | - / - | DL9KM | -11 / - | 3 | Partial capture |
| 06-09 01:47 | 20m | - / -3 | W2CG | -7 / - | 2 | ✓ Closing fragment |
| 06-09 01:28 | 20m | - / - | IQ4JO | +17 / - | 2 | Partial capture |
| 05-31 16:50 | 40m | -7 / - | C32JK | -14 / - | 2 | ✓ Closing observed |
| 05-31 16:48 | 40m | -5 / -12 | SP1MGM | +10 / - | 4 | ✓ Closing observed |
| 05-31 16:46 | 40m | +2 / - | OE5IGP | +12 / -3 | 5 | ✓ Full exchange observed |
| 05-31 16:40 | 40m | -6 / -10 | DL7ACA | -7 / -14 | 6 | ✓ Full exchange observed |
| 05-31 16:38 | 40m | -12 / - | S51CC | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 183545 +2 2381 UR5SDB DO9BAU R-06 (x10) 115545 -10 1720 UR5SDB F4FSY -04 (x2) 120115 -8 1195 UR5SDB SM6ASB JO58 130545 -17 1069 UR5SDB PE1MHY -04 (x2)
UTC dB Audio Message 184145 +0 1269 GB64MOD UR5SDB KN28 (x3) 184300 -16 1269 UR5SDB GB64MOD -19 184315 -11 1269 GB64MOD UR5SDB R-08 184445 -14 1269 CQ UR5SDB KN28 184530 +11 438 UR5SDB UR3CFC +08 184545 -17 2046 S56LKP UR5SDB KN28 184700 -19 2045 UR5SDB S56LKP -15 184715 -8 2045 S56LKP UR5SDB R-06 184730 -18 2045 UR5SDB S56LKP RR73 184745 -8 2045 S56LKP UR5SDB 73 184845 -12 1232 JA4FKX UR5SDB KN28 (x2) 185115 -9 1232 CQ UR5SDB KN28
UTC dB Audio Message 164615 -3 2481 UR5SDB DF3WI JO30 (x3) 164815 -9 1325 UR5SDB PD2WL JO22 (x6) 165245 -15 1176 UR5SDB PD3LKN JO22 171630 -18 2002 UR5SDB TA2ED -11 (x2) 172715 +0 415 UR5SDB F1PPH JN25 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.