S51MB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving S51MB, decoded by SO8OO in southeastern Poland. 132 related FT8 messages, 77 CQ messages, observed on 80m, 40m, 20m, 10m, across 9 UTC dates. Heard between 2026-06-03 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.
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Overview
Frequent QSO partners observed at SO8OO
Stations S51MB worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by S51MB
Approximate centre of JN65, decoded 2026-08-16 19:37 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 | S51MB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-16 19:32 | 20m | +4 / - | ZL1BD | - / - | 10 | Partial capture |
| 08-16 19:28 | 20m | +5 / - | JR2TER | - / -18 | 2 | Partial capture |
| 08-16 19:25 | 20m | +3 / - | R6FX | +4 / +7 | 7 | Partial capture |
| 08-16 19:22 | 20m | - / -12 | RW3TM/MM | -15 / - | 2 | Partial capture |
| 08-16 19:14 | 20m | +5 / - | SP1905MFK | - / +2 | 16 | Partial capture |
| 08-16 19:12 | 20m | +4 / - | <...> | - / +3 | 3 | Partial capture |
| 08-16 19:09 | 40m | -3 / - | S54ZGA | -10 / - | 2 | ✓ Closing observed |
| 08-16 19:07 | 40m | -3 / - | DL9MY | - / 0 | 4 | Partial capture |
| 08-16 19:04 | 40m | -5 / -15 | SP7TF | -7 / -6 | 4 | ✓ Full exchange observed |
| 08-16 19:04 | 40m | -4 / -13 | UB6OCP | -16 / -12 | 5 | ✓ Full exchange observed |
| 08-16 19:01 | 40m | +1 / - | JA6VQA | - / -14 | 4 | ✓ Closing fragment |
| 08-16 18:59 | 40m | -1 / - | SV1ENG/P | - / -10 | 3 | Partial capture |
| 08-16 18:58 | 40m | -3 / +1 | DL1CBS/P | -13 / -4 | 4 | ✓ Full exchange observed |
| 08-16 18:53 | 40m | -4 / - | RX3DPK/LH | - / -15 | 8 | Partial capture |
| 08-15 19:31 | 20m | -6 / - | OH2HOR | - / +5 | 2 | ✓ Closing fragment |
| 08-15 19:29 | 20m | -5 / -20 | PD0RCQ | +3 / - | 4 | ✓ Closing observed |
| 08-15 19:20 | 20m | -2 / - | PH7GD | - / -8 | 2 | ✓ Closing fragment |
| 08-15 19:01 | 20m | -4 / - | R6ADH | - / -5 | 2 | ✓ Closing fragment |
| 08-15 18:47 | 20m | -6 / - | LX1RFJ | - / - | 5 | Partial capture |
| 08-15 14:56 | 20m | +3 / - | <...> | - / - | 21 | Partial capture |
| 08-15 14:53 | 20m | +7 / - | GB8VJ | - / -12 | 5 | Partial capture |
| 08-15 14:24 | 20m | +4 / - | MI7USM | - / -20 | 2 | Partial capture |
| 08-15 14:20 | 20m | +6 / - | IU2UHB | - / -9 | 2 | ✓ Closing fragment |
| 08-15 14:15 | 20m | +1 / - | DL6UJ | - / -4 | 2 | ✓ Closing fragment |
| 08-15 13:58 | 20m | 0 / - | PA3BUX | - / 0 | 2 | ✓ Closing fragment |
| 08-15 13:54 | 20m | -2 / - | UR5WCS | - / +6 | 3 | ✓ Closing fragment |
| 08-15 13:48 | 20m | - / +6 | PE0F | -2 / - | 3 | ✓ Closing fragment |
| 08-15 12:56 | 20m | - / -14 | PD2WL | -6 / - | 8 | Partial capture |
| 08-14 17:16 | 20m | - / -16 | HA/G4RCR | -13 / - | 2 | Partial capture |
| 08-14 16:17 | 20m | -6 / - | A61OK | - / - | 6 | Partial capture |
| 07-10 16:06 | 40m | -4 / - | <...> | - / - | 11 | Partial capture |
| 06-26 20:11 | 10m | - / - | DF8WU | -12 / - | 2 | ✓ Closing fragment |
| 06-26 19:51 | 10m | - / - | DO5KHR | +1 / - | 2 | Partial capture |
| 06-26 19:32 | 10m | - / -24 | II9RICT | -9 / - | 3 | Partial capture |
| 06-26 19:30 | 10m | - / 0 | OZ0A | +4 / - | 2 | ✓ Closing fragment |
| 06-21 15:58 | 20m | -3 / - | DB1EF | - / - | 7 | Partial capture |
| 06-21 15:54 | 20m | -2 / -7 | 4Z5KU | -10 / - | 5 | Partial capture |
| 06-21 15:52 | 20m | -3 / - | M0DPK | - / +2 | 2 | ✓ Closing fragment |
| 06-12 16:28 | 20m | - / -1 | DL6LAG | -15 / - | 2 | ✓ Closing fragment |
| 06-05 21:43 | 40m | - / -5 | DJ0MAB | +6 / - | 3 | Partial capture |
| 06-05 21:42 | 40m | -12 / - | T77RN | -6 / - | 2 | ✓ Closing observed |
| 06-05 21:26 | 40m | -3 / - | YT6DAV | - / 0 | 3 | ✓ Closing fragment |
| 06-05 21:15 | 40m | -4 / - | <...> | - / -12 | 14 | Partial capture |
| 06-05 21:14 | 40m | -4 / - | OO0O | - / - | 2 | Partial capture |
| 06-05 21:11 | 40m | -4 / -4 | E75AA | -1 / -1 | 8 | ✓ Full exchange observed |
| 06-05 20:53 | 80m | -16 / -22 | DJ3HW | +12 / - | 3 | ✓ Closing observed |
| 06-03 12:06 | 20m | -9 / - | MI0UFT | - / - | 6 | Partial capture |
| 06-03 10:41 | 20m | - / -5 | PD7JLP | -4 / - | 2 | Partial capture |
| 06-03 10:32 | 20m | -4 / - | DB2VS | - / - | 9 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 192745 +3 2753 CQ S51MB JN65 192815 +6 2753 JR2TER S51MB -18 (x2) 193015 +4 2753 ON1DGN S51MB R+04 193145 +1 2753 CQ S51MB JN65 193245 +3 2753 ZL1BD S51MB JN65 (x10)
UTC dB Audio Message 190415 -5 2717 UB6OCP S51MB -12 190430 -16 2118 S51MB UB6OCP R-13 190445 -2 2717 UB6OCP S51MB RR73 190500 -15 2117 S51MB UB6OCP 73 190515 -5 2717 SP7TF S51MB R-06 (x3) 190645 -4 2717 CQ S51MB JN65 (x2) 190745 +0 2717 DL9MY S51MB +00 (x2) 190900 -10 2717 S51MB S54ZGA RR73 190915 -3 2717 S54ZGA S51MB 73 191015 -4 2717 DL9MY S51MB +00 (x2)
UTC dB Audio Message 192000 +4 384 S51MB M0BEW RR73 193000 +6 2765 S51MB OZ0A +00 (x2) 193230 -9 522 S51MB II9RICT -24 (x3) 194630 -12 1005 S51MB PD0IFI R-08 195100 +2 2766 S51MB DO5KHR JO30 (x2) 201100 -13 1684 S51MB DF8WU JO30 (x2)
UTC dB Audio Message 204845 -14 2682 DO1TOM S51MB JN65 205300 +12 2107 S51MB DJ3HW -22 (x2) 205415 -16 2682 DJ3HW S51MB 73 205930 -16 2682 DL1RWN S51MB JN65
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.