R3MDA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R3MDA, decoded by SO8OO in southeastern Poland. 178 related FT8 messages, 40 CQ messages, observed on 80m, 40m, 20m, 10m, across 11 UTC dates. Heard between 2026-08-09 and 2026-08-22.
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 R3MDA worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R3MDA
Approximate centre of KO97, decoded 2026-08-22 11:08 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 | R3MDA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 11:05 | 20m | -21 / - | JA2EID | - / -6 | 7 | Partial capture |
| 08-22 11:04 | 20m | -17 / +2 | OH3MB | -13 / - | 2 | ✓ Closing observed |
| 08-22 10:58 | 20m | - / -18 | GJ0KYZ | -10 / - | 2 | ✓ Closing fragment |
| 08-22 10:55 | 20m | -6 / - | YO5PHL | +6 / - | 2 | ✓ Closing observed |
| 08-22 10:52 | 20m | -5 / -19 | IK1MJK/P | +3 / -19 | 6 | Partial capture |
| 08-22 10:49 | 20m | - / -12 | DF6QN | +14 / - | 3 | ✓ Closing fragment |
| 08-22 10:49 | 20m | 0 / -13 | R6FFB | +10 / +1 | 6 | ✓ Full exchange observed |
| 08-22 10:03 | 10m | - / -16 | M0BEW | -7 / - | 2 | ✓ Closing fragment |
| 08-21 22:41 | 80m | - / -12 | G4UJS | -21 / - | 2 | ✓ Closing fragment |
| 08-21 22:39 | 80m | - / -6 | RA9FUE | -20 / - | 4 | ✓ Closing fragment |
| 08-21 22:38 | 80m | - / - | F5NNN | -13 / - | 5 | Partial capture |
| 08-21 22:33 | 80m | -6 / -6 | G4ZFJ | -3 / -7 | 6 | ✓ Full exchange observed |
| 08-21 22:33 | 80m | -7 / -10 | TF3VS | -10 / -9 | 5 | ✓ Full exchange observed |
| 08-21 22:16 | 20m | - / -17 | F4NBB | -12 / - | 3 | Partial capture |
| 08-21 17:31 | 20m | - / -16 | SV2AEL | +3 / - | 2 | ✓ Closing fragment |
| 08-21 09:03 | 10m | - / -3 | RN6MA | -1 / - | 2 | ✓ Closing fragment |
| 08-17 20:52 | 80m | -16 / - | RA0SCA | - / -14 | 3 | Partial capture |
| 08-17 20:50 | 80m | -19 / -11 | R3YAU | +2 / +8 | 3 | ✓ Full exchange observed |
| 08-17 20:46 | 80m | - / -12 | OG1AO | -5 / - | 3 | Partial capture |
| 08-17 20:43 | 80m | - / -18 | S59A | +5 / - | 2 | ✓ Closing fragment |
| 08-17 20:40 | 80m | - / -5 | RU4SS | -19 / - | 3 | ✓ Closing fragment |
| 08-17 20:36 | 40m | - / -12 | 9A4ZM | -2 / - | 2 | Partial capture |
| 08-17 20:28 | 40m | - / -24 | DL1CMM | -10 / - | 2 | ✓ Closing fragment |
| 08-16 20:41 | 10m | - / - | DL3NGN | -15 / - | 2 | Partial capture |
| 08-16 20:41 | 10m | - / - | R6KA | -10 / - | 3 | ✓ Closing fragment |
| 08-16 20:36 | 10m | - / -5 | R6OD | -3 / - | 5 | ✓ Closing fragment |
| 08-16 20:36 | 10m | - / -17 | RU3UR | -4 / - | 2 | ✓ Closing fragment |
| 08-16 20:24 | 10m | - / -17 | M0BEW | -12 / - | 2 | Partial capture |
| 08-16 20:05 | 10m | - / -20 | PD2V | -20 / - | 3 | ✓ Closing fragment |
| 08-16 19:44 | 10m | - / -6 | RW6HPS | -7 / - | 3 | ✓ Closing fragment |
| 08-16 18:54 | 20m | - / -8 | ON1DGN | -14 / - | 4 | ✓ Closing fragment |
| 08-16 18:42 | 20m | -14 / - | R4KK | - / +1 | 2 | ✓ Closing fragment |
| 08-15 20:33 | 20m | - / -5 | F1DJY | -3 / - | 2 | ✓ Closing fragment |
| 08-14 22:04 | 80m | -15 / -7 | 9A4ZM | +11 / -4 | 5 | ✓ Full exchange observed |
| 08-13 21:07 | 80m | +1 / -3 | RA3TOS | -8 / +4 | 8 | ✓ Full exchange observed |
| 08-13 21:07 | 80m | -2 / -13 | IQ4JO | +3 / -17 | 5 | ✓ Full exchange observed |
| 08-12 19:38 | 10m | - / -2 | F1PBZ | +3 / - | 2 | Partial capture |
| 08-10 05:36 | 20m | - / - | R2EC | +9 / - | 3 | Partial capture |
| 08-10 05:33 | 20m | - / - | F4LNM | -2 / - | 4 | Partial capture |
| 08-09 21:54 | 20m | - / -14 | RL3K | -17 / - | 2 | ✓ Closing fragment |
| 08-09 21:44 | 40m | - / -4 | YO6LM | -12 / - | 2 | ✓ Closing fragment |
| 08-09 21:38 | 80m | -8 / - | R4SCQ | - / - | 2 | ✓ Closing fragment |
| 08-09 21:35 | 80m | -8 / -7 | DH2YBG | +2 / +4 | 7 | ✓ Full exchange observed |
| 08-09 21:33 | 80m | -6 / +5 | UA4FKT | +6 / - | 4 | ✓ Full exchange observed |
| 08-09 21:32 | 80m | - / - | DO5PY | -7 / - | 3 | Partial capture |
| 08-09 21:32 | 80m | -8 / -5 | RM5F | +4 / - | 6 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 105445 +3 2737 R3MDA IK1MJK/P R-19 105500 -2 2736 CQ R3MDA KO97 105515 +6 2737 R3MDA YO5PHL KN16 105600 -6 2736 YO5PHL R3MDA RR73 105815 -6 2736 R3MDA GJ0KYZ -18 (x2) 110415 -13 1893 R3MDA OH3MB R+02 110430 -17 1894 OH3MB R3MDA RR73 110545 -24 1893 JA2EID R3MDA KO97 (x7)
UTC dB Audio Message 203715 -3 2746 R3MDA R6OD KN87 (x4) 204145 -8 2228 R3MDA R6KA KN75 204145 -13 2361 R3MDA DL3NGN JN59 204215 -11 2228 R3MDA R6KA R+19 204215 -17 2362 R3MDA DL3NGN JN59 204245 -10 2228 R3MDA R6KA 73 075100 -11 643 R3MDA R7RAG RR73 090330 -1 2243 R3MDA RN6MA -03 (x2) 113845 -13 2590 R3MDA R6FX LN14 100345 -6 2019 R3MDA M0BEW -16 (x2)
UTC dB Audio Message 223930 -21 1277 R3MDA RA9FUE LO89 (x2) 224000 -12 1329 R3MDA F5NNN IN94 (x2) 224030 -23 1277 R3MDA RA9FUE 73 224130 -18 2158 R3MDA G4UJS -12 (x2) 224315 -2 2258 CQ R3MDA KO97 (x7) 224630 -11 2259 R3MDA DO3HUM JO61
UTC dB Audio Message 214445 -11 991 R3MDA YO6LM -04 (x2) 201915 -16 2115 R3MDA UB6ZDJ KN98 201945 -11 1884 R3MDA SN1A JO73 202815 -9 1464 R3MDA DL1CMM R-24 (x2) 203500 -17 2349 CQ R3MDA KO97 a1 203645 -20 2113 R3MDA RA5AK 73 203645 -4 2343 R3MDA 9A4ZM JN86 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.