R0SDM — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R0SDM, decoded by SO8OO in southeastern Poland. 1,663 related FT8 messages, 89 CQ messages, observed on 40m, 20m, across 16 UTC dates. Heard between 2026-05-26 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 R0SDM worked most often, as logged from our receiver:
Activity Heatmap
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 | R0SDM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 05:59 | 20m | - / -14 | RA9XSL | -10 / - | 2 | ✓ Closing fragment |
| 08-21 05:46 | 20m | - / -16 | R2UZ | -17 / - | 3 | Partial capture |
| 08-21 05:27 | 20m | - / -4 | R0AL | -12 / - | 2 | ✓ Closing fragment |
| 07-29 17:09 | 20m | - / - | F6FLU | +6 / - | 3 | ✓ Closing fragment |
| 07-29 17:01 | 20m | - / -15 | LX1NO | +9 / - | 3 | ✓ Closing fragment |
| 07-29 16:55 | 20m | - / - | R6DVG | -4 / - | 3 | Partial capture |
| 07-29 16:54 | 20m | - / - | RG5A | -12 / - | 2 | ✓ Closing fragment |
| 07-29 16:52 | 20m | - / -17 | EA3FH | +6 / - | 4 | ✓ Closing fragment |
| 07-29 16:48 | 20m | - / -17 | UA3NFG | -6 / - | 2 | ✓ Closing fragment |
| 07-29 16:41 | 20m | - / -15 | S59A | -1 / - | 3 | ✓ Closing fragment |
| 07-29 16:40 | 20m | - / -17 | EA3NT | -3 / - | 4 | ✓ Closing fragment |
| 07-29 16:11 | 40m | - / -16 | RA6YDX | -20 / - | 3 | ✓ Closing fragment |
| 07-29 15:43 | 40m | - / -19 | RA3ZGT | -13 / - | 4 | ✓ Closing fragment |
| 07-29 13:08 | 20m | - / -15 | RV3F | -4 / - | 2 | ✓ Closing fragment |
| 07-29 12:48 | 20m | - / -17 | F5HNQ | -3 / - | 2 | ✓ Closing fragment |
| 07-29 12:42 | 20m | - / - | F5HNQ | +3 / - | 4 | Partial capture |
| 07-29 11:23 | 20m | - / -11 | DH1PS | -10 / - | 3 | Partial capture |
| 07-29 10:13 | 20m | - / -19 | R2GFD | -8 / - | 3 | ✓ Closing fragment |
| 07-29 10:04 | 20m | - / -17 | DH9DR | +1 / - | 3 | ✓ Closing fragment |
| 07-29 10:03 | 20m | - / - | DL3MSB | -5 / - | 2 | Partial capture |
| 07-29 09:36 | 20m | - / -19 | DL6KA | +7 / - | 11 | ✓ Closing fragment |
| 07-28 09:25 | 20m | - / -21 | EA1N | -1 / - | 4 | ✓ Closing fragment |
| 07-28 08:00 | 20m | - / - | RG5A | -8 / - | 2 | Partial capture |
| 07-28 07:56 | 20m | - / -15 | F6FLU | -2 / - | 6 | ✓ Closing fragment |
| 07-28 07:52 | 20m | - / - | F8NHF | -21 / - | 3 | Partial capture |
| 07-28 07:48 | 20m | - / -14 | R3XG | -8 / - | 3 | ✓ Closing fragment |
| 07-28 07:46 | 20m | - / - | UA6HGM | +2 / - | 3 | Partial capture |
| 07-28 06:44 | 20m | - / -23 | RM8W | -8 / - | 2 | Partial capture |
| 07-28 06:29 | 20m | - / -16 | R6LFO | -15 / - | 4 | Partial capture |
| 07-28 04:56 | 20m | - / -4 | RT7N | -16 / - | 2 | ✓ Closing fragment |
| 07-28 04:56 | 20m | - / - | RX7O | -14 / - | 2 | ✓ Closing fragment |
| 07-28 04:51 | 20m | - / -21 | UA3GT | -11 / - | 2 | ✓ Closing fragment |
| 07-28 04:41 | 20m | - / -14 | RC6OU | +9 / - | 3 | ✓ Closing fragment |
| 07-27 10:05 | 20m | - / -6 | RA3RPW | -4 / - | 2 | ✓ Closing fragment |
| 07-27 09:47 | 20m | - / -24 | RA3Y | -4 / - | 3 | ✓ Closing fragment |
| 07-27 09:36 | 20m | - / -13 | UI6L | -15 / - | 4 | Partial capture |
| 07-27 09:30 | 20m | - / -18 | F6FLU | +5 / - | 9 | Partial capture |
| 07-27 09:13 | 20m | - / -21 | IK1WGX | -2 / - | 6 | ✓ Closing fragment |
| 07-27 08:53 | 20m | - / +6 | RU3UR | -2 / - | 2 | ✓ Closing fragment |
| 07-27 08:47 | 20m | - / -7 | RA4FOC | -5 / - | 2 | Partial capture |
| 07-27 08:43 | 20m | - / - | F6FLU | +2 / - | 6 | Partial capture |
| 07-27 08:43 | 20m | - / -19 | RK6AUV | -11 / - | 3 | ✓ Closing fragment |
| 07-27 08:41 | 20m | - / - | RA4FOC | -8 / - | 3 | Partial capture |
| 07-27 08:33 | 20m | - / - | F6FLU | 0 / - | 4 | Partial capture |
| 07-27 08:09 | 20m | - / -14 | RA3Y | -3 / - | 3 | Partial capture |
| 07-27 07:12 | 20m | - / -25 | RX3DQX | -7 / - | 5 | ✓ Closing fragment |
| 07-27 07:08 | 20m | - / -9 | RU6K | -11 / - | 3 | ✓ Closing fragment |
| 07-27 07:04 | 20m | - / - | IK1WGX | -16 / - | 2 | Partial capture |
| 07-27 07:01 | 20m | - / - | IK1WGX | -13 / - | 2 | Partial capture |
| 07-27 07:00 | 20m | - / -11 | R2AEA | -22 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 170115 +7 591 R0SDM LX1NO JN39 (x3) 170915 +6 2700 R0SDM F6FLU JN18 (x3) 052745 -10 1437 R0SDM R0AL -04 (x2) 054615 -19 1967 R0SDM R2UZ -16 (x3) 055315 -9 2737 R0SDM R9FBL -14 055945 -12 968 R0SDM RA9XSL -14 (x2) 060815 -17 969 R0SDM RD4HX LO53
UTC dB Audio Message 231245 -2 2721 R0SDM I1RJP JN45 231315 -2 2721 R0SDM IK2ZJR JN45 (x5) 154300 -15 2054 R0SDM RA3ZGT KO81 (x4) 155630 -11 2645 R0SDM R6ML -15 160545 -22 2180 R0SDM RU4HU LO43 161100 -22 1738 R0SDM RA6YDX LN04 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.