R0SDC — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R0SDC, decoded by SO8OO in southeastern Poland. 637 related FT8 messages, 60 CQ messages, observed on 80m, 40m, 20m, 10m, across 41 UTC dates. Heard between 2026-05-23 and 2026-08-21.
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 R0SDC worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R0SDC
Approximate centre of OO22, decoded 2026-08-21 16:28 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 | R0SDC S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-17 17:13 | 20m | -8 / -3 | R6OQ | -11 / 0 | 5 | ✓ Full exchange observed |
| 08-17 17:09 | 20m | -9 / -19 | RG6S | -10 / - | 3 | ✓ Closing observed |
| 08-15 17:17 | 80m | - / -19 | R7CD | +8 / - | 2 | ✓ Closing fragment |
| 08-12 17:09 | 20m | - / -18 | F5IXN | -6 / - | 4 | ✓ Closing fragment |
| 08-11 16:57 | 20m | - / -15 | YT7DX | +6 / - | 3 | Partial capture |
| 08-11 16:53 | 40m | - / -2 | RK6MC | -6 / - | 6 | ✓ Closing fragment |
| 08-11 16:36 | 20m | - / -6 | F1NQP | -4 / - | 3 | ✓ Closing fragment |
| 08-10 16:29 | 20m | -13 / - | DL7ARV | - / -9 | 2 | ✓ Closing fragment |
| 08-10 15:33 | 20m | -13 / - | YO9CX | - / -3 | 2 | ✓ Closing fragment |
| 08-07 17:02 | 20m | -14 / - | R2BGZ | - / -10 | 2 | ✓ Closing fragment |
| 08-07 17:00 | 20m | -10 / - | BI9BLG | - / -12 | 2 | ✓ Closing fragment |
| 08-07 16:59 | 20m | -12 / - | R6OAQ | - / -8 | 2 | ✓ Closing fragment |
| 08-07 16:56 | 20m | -9 / -17 | M1WLK | -13 / -13 | 5 | ✓ Full exchange observed |
| 08-07 16:55 | 20m | -12 / - | UA3DLP | - / -7 | 2 | ✓ Closing fragment |
| 08-07 16:54 | 20m | -9 / - | IK8WCP | - / -18 | 2 | ✓ Closing fragment |
| 08-07 16:51 | 20m | -12 / - | UT8IFE | - / -13 | 2 | ✓ Closing fragment |
| 08-07 16:51 | 20m | -10 / -17 | G0OSK | -3 / -13 | 7 | ✓ Full exchange observed |
| 08-07 16:49 | 20m | -12 / - | RX7O | - / -3 | 2 | ✓ Closing fragment |
| 08-07 16:49 | 20m | -10 / - | SV2AEL | -18 / -2 | 4 | ✓ Closing observed |
| 08-07 15:51 | 20m | -20 / -14 | EB3JT | -15 / -17 | 5 | ✓ Full exchange observed |
| 08-07 15:48 | 20m | -18 / - | R2DYC | - / -15 | 2 | Partial capture |
| 08-07 15:47 | 20m | -20 / - | BI3UPU | - / -7 | 2 | ✓ Closing fragment |
| 08-07 15:46 | 20m | -20 / -3 | IV3IUM | -8 / -8 | 6 | ✓ Full exchange observed |
| 08-07 15:44 | 20m | -20 / -16 | EA5AR | -12 / -14 | 5 | ✓ Full exchange observed |
| 08-07 15:42 | 20m | -21 / - | R9FFZ | - / -13 | 2 | ✓ Closing fragment |
| 08-07 15:41 | 20m | - / - | DL7DO | -16 / - | 2 | Partial capture |
| 08-07 15:41 | 20m | - / - | IV3IUM | -8 / - | 3 | Partial capture |
| 08-07 15:41 | 20m | -20 / +9 | R6YG | -4 / -7 | 6 | ✓ Full exchange observed |
| 08-07 15:38 | 20m | -22 / -6 | PD0RDD | -20 / -7 | 4 | ✓ Full exchange observed |
| 08-06 14:02 | 20m | - / -7 | F1ODM | 0 / - | 2 | ✓ Closing fragment |
| 08-06 13:46 | 20m | - / -3 | RW6MZ | -18 / - | 3 | ✓ Closing fragment |
| 08-06 13:42 | 20m | - / -11 | DL8TV | -3 / - | 2 | ✓ Closing fragment |
| 08-04 13:01 | 20m | - / -2 | R6ZE | -12 / - | 2 | ✓ Closing fragment |
| 08-04 10:41 | 20m | - / - | DL9RDM | -3 / - | 3 | Partial capture |
| 08-03 18:03 | 40m | - / -13 | RW3QW | -4 / - | 3 | ✓ Closing fragment |
| 08-03 16:52 | 20m | - / - | IW5ABF | -15 / - | 3 | ✓ Closing fragment |
| 08-03 16:07 | 20m | -17 / - | I4WQH | -14 / -17 | 3 | ✓ Closing observed |
| 08-03 16:04 | 20m | -18 / - | RA9AMO | - / -7 | 2 | ✓ Closing fragment |
| 08-03 15:53 | 20m | - / -15 | RM4N | -6 / - | 4 | ✓ Closing fragment |
| 08-03 15:52 | 20m | - / -4 | IZ3ZPO | +5 / - | 3 | ✓ Closing fragment |
| 08-03 15:41 | 20m | - / -12 | RA6OY | 0 / - | 2 | Partial capture |
| 07-31 18:37 | 20m | - / -4 | DL6KA | -8 / - | 2 | Partial capture |
| 07-31 18:29 | 20m | - / -19 | PD3LKN | -13 / - | 3 | Partial capture |
| 07-31 18:23 | 20m | - / +3 | RC6OG | -13 / - | 3 | ✓ Closing fragment |
| 07-31 16:18 | 20m | - / -7 | RA6ZS | 0 / - | 2 | ✓ Closing fragment |
| 07-25 17:08 | 40m | - / -20 | R2SL | -4 / - | 3 | ✓ Closing fragment |
| 07-25 16:27 | 20m | - / - | R3XG | -12 / - | 3 | Partial capture |
| 07-25 16:05 | 20m | - / +9 | RV3F | -10 / - | 2 | ✓ Closing fragment |
| 07-18 16:38 | 20m | - / -17 | F8AGD | -13 / - | 2 | ✓ Closing fragment |
| 07-18 16:04 | 20m | - / -3 | R2AL | +2 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 170930 -10 958 R0SDC RG6S RR73 170945 -9 2590 RG6S R0SDC 73 171115 -8 2590 RG4D R0SDC -06 171215 -6 2589 CQ R0SDC OO22 171300 -13 2074 R0SDC R6OQ KN87 171315 -7 2589 R6OQ R0SDC +00 171330 -14 2075 R0SDC R6OQ R-03 171345 -8 2589 R6OQ R0SDC RR73 171400 -6 2075 R0SDC R6OQ 73 162815 -17 2273 UA6XDA R0SDC OO22 163000 +1 1600 R0SDC RA4L -12 163115 -15 2273 RL1B R0SDC R-04 163245 -24 2273 UA6XDA R0SDC R-07 163430 -13 2272 RD1A R0SDC 73 163515 -19 2272 UA6XDA R0SDC R-07
UTC dB Audio Message 173345 -6 1265 R0SDC UI4I R-18 (x2) 163830 -24 1678 R0SDC UA7N -19 (x2) 171730 +8 781 R0SDC R7CD -19 (x2)
UTC dB Audio Message 172930 -8 2458 R0SDC UE6RU RR73 173030 -10 1243 R0SDC R3DMS R-10 170845 -5 2537 R0SDC R2SL -20 (x3) 180100 -21 1736 R0SDC R6YG -15 180300 -6 2117 R0SDC RW3QW -13 (x3) 165300 -7 902 R0SDC RK6MC -02 (x6)
UTC dB Audio Message 144200 -16 2182 R0SDC RZ6DX RR73 160900 -9 709 R0SDC SV2CLJ KN10 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.