PD1UM — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving PD1UM, decoded by SO8OO in southeastern Poland. 739 related FT8 messages, 193 CQ messages, observed on 40m, 20m, 10m, across 66 UTC dates. Heard between 2026-05-25 and 2026-08-23.
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 PD1UM worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by PD1UM
Approximate centre of JO30, decoded 2026-08-23 12:52 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 | PD1UM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 08:24 | 40m | - / +4 | DL3BWG | -5 / - | 2 | ✓ Closing fragment |
| 08-23 08:21 | 40m | - / 0 | DJ0MAB | -16 / - | 2 | Partial capture |
| 08-23 08:07 | 40m | - / -2 | DD7EE | -7 / - | 3 | ✓ Closing fragment |
| 08-23 08:06 | 40m | -12 / -2 | DJ0MAB | -15 / - | 3 | Partial capture |
| 08-21 16:08 | 20m | -10 / -11 | ON4AOI | +1 / -10 | 16 | ✓ Full exchange observed |
| 08-21 16:04 | 40m | -11 / - | F5MXH | - / -11 | 2 | Partial capture |
| 08-21 12:08 | 20m | - / - | IU5HIU | -8 / - | 2 | Partial capture |
| 08-21 12:07 | 20m | -15 / -5 | OK1VCB | +8 / -4 | 3 | ✓ Full exchange observed |
| 08-21 12:01 | 10m | -12 / - | YO4GIY | - / -16 | 3 | ✓ Closing fragment |
| 08-18 16:06 | 40m | -12 / - | ON3MOH/P | - / -10 | 2 | Partial capture |
| 08-18 11:34 | 10m | - / - | DL9ATW | +2 / - | 2 | Partial capture |
| 08-18 11:26 | 10m | - / -10 | DL5DQZ | +2 / - | 2 | ✓ Closing fragment |
| 08-17 12:50 | 20m | -20 / - | IK4LZH | -10 / -8 | 2 | Partial capture |
| 08-16 12:53 | 10m | -9 / - | SQ7HJX | - / -4 | 2 | Partial capture |
| 08-16 11:49 | 10m | - / +8 | Z61DX | +2 / - | 2 | ✓ Closing fragment |
| 08-14 08:28 | 20m | - / - | TA3NK | -13 / - | 8 | Partial capture |
| 08-14 08:20 | 20m | -12 / -22 | UT5ZC | -21 / - | 2 | Partial capture |
| 08-13 08:34 | 10m | - / -20 | EN35UKR | -6 / - | 6 | Partial capture |
| 08-13 07:19 | 10m | - / -6 | SV2CLJ | -8 / - | 2 | ✓ Closing fragment |
| 08-13 07:17 | 10m | - / -8 | UR1CCT | -3 / - | 3 | ✓ Closing fragment |
| 08-11 08:17 | 40m | - / +10 | DL7EDU | -16 / - | 3 | ✓ Closing fragment |
| 08-10 08:36 | 20m | - / - | 9A2EY | -8 / - | 2 | ✓ Closing fragment |
| 08-10 08:33 | 20m | - / -9 | CR5VP | -8 / - | 2 | ✓ Closing fragment |
| 08-09 08:21 | 20m | -14 / - | DL0DM | - / -13 | 2 | Partial capture |
| 08-09 08:14 | 20m | -20 / - | SA3SHN | - / -9 | 2 | Partial capture |
| 08-09 07:21 | 20m | - / -10 | EN35UKR | 0 / - | 7 | Partial capture |
| 08-03 16:09 | 20m | - / -1 | CT3MD | -16 / - | 2 | ✓ Closing fragment |
| 08-03 08:44 | 20m | - / -13 | EA4GA | -12 / - | 2 | ✓ Closing fragment |
| 07-25 08:22 | 20m | - / +5 | Z62NS | -12 / - | 2 | ✓ Closing fragment |
| 07-24 12:48 | 10m | -2 / - | RW9HSB | - / -4 | 3 | ✓ Closing fragment |
| 07-24 12:44 | 10m | -7 / - | <...> | - / -11 | 3 | Partial capture |
| 07-24 11:18 | 20m | - / -10 | OE8DDX | -12 / - | 2 | Partial capture |
| 07-24 11:17 | 20m | - / - | DK3HV | -10 / - | 2 | Partial capture |
| 07-23 11:26 | 20m | -12 / - | R3KJF | - / -17 | 2 | Partial capture |
| 07-23 11:18 | 20m | - / - | IZ4JMA | -13 / - | 2 | Partial capture |
| 07-23 11:11 | 20m | - / +2 | TK5K | 0 / - | 2 | ✓ Closing fragment |
| 07-23 08:32 | 10m | - / -1 | SV1CQN | -9 / - | 2 | ✓ Closing fragment |
| 07-23 08:20 | 20m | - / -6 | IK4TVP | -17 / - | 5 | Partial capture |
| 07-22 15:42 | 20m | -12 / - | 2E1HAT | - / 0 | 2 | ✓ Closing fragment |
| 07-21 08:38 | 20m | - / -8 | DG6TOM | -5 / - | 3 | ✓ Closing fragment |
| 07-21 08:01 | 10m | - / +3 | F4FSY | -2 / - | 2 | Partial capture |
| 07-21 07:58 | 10m | -2 / - | EK/RX3DPK | - / - | 2 | Partial capture |
| 07-21 07:56 | 10m | -9 / - | OE6DRG | - / -6 | 3 | ✓ Closing fragment |
| 07-21 07:37 | 20m | - / - | PD2ARI | -21 / - | 3 | Partial capture |
| 07-21 07:33 | 20m | - / - | PD2ARI | -22 / - | 2 | Partial capture |
| 07-21 07:32 | 20m | - / - | F4HSB | -16 / - | 3 | Partial capture |
| 07-20 11:41 | 20m | -19 / - | F1PPH | -14 / -19 | 6 | Partial capture |
| 07-19 12:55 | 10m | -12 / - | SM2LIY | - / -16 | 3 | ✓ Closing fragment |
| 07-19 12:51 | 10m | -16 / - | UA4COA | - / -13 | 3 | ✓ Closing fragment |
| 07-19 08:49 | 10m | - / +3 | LZ1VL | -6 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 161000 -10 743 ON4AOI PD1UM R-10 161015 +3 745 PD1UM ON4AOI -11 (x2) 161100 -12 744 ON4AOI PD1UM R-10 161115 -4 745 PD1UM ON4AOI -11 (x4) 161300 -7 744 ON4AOI PD1UM R-10 161315 +4 745 PD1UM ON4AOI RR73 161330 -11 744 ON4AOI PD1UM 73 161815 -21 1107 <...> PD1UM R-04 125215 -8 1227 CQ PD1UM JO30 (x2) 125500 +3 1226 PD1UM IZ4AIF R-05
UTC dB Audio Message 160430 -13 1078 F5MXH PD1UM -11 (x2) 160600 -12 1079 CQ PD1UM JO30 080330 -14 1074 PD1UM DJ0MAB JN49 080400 -16 1074 PD1UM F4VTR R+05 080600 -13 1074 PD1UM DJ0MAB -02 080615 -12 1075 DJ0MAB PD1UM JO30 080630 -17 1074 PD1UM DJ0MAB -02 080730 -6 773 PD1UM DD7EE -02 (x3) 082100 -14 2341 PD1UM DJ0MAB +00 (x2) 082445 -5 654 PD1UM DL3BWG +04 (x2)
UTC dB Audio Message 125330 -11 1072 SQ7HJX PD1UM JO30 (x2) 112030 -16 668 CQ PD1UM JO30 112630 +0 893 PD1UM DL5DQZ -10 (x2) 113400 +3 741 PD1UM DL9ATW JO61 (x2) 131415 -12 666 PD1UM AO25FDM -21 084745 -9 1017 CQ PD1UM JO30 (x4) 120130 -13 1016 YO4GIY PD1UM R-16 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.