RC3D — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RC3D, decoded by SO8OO in southeastern Poland. 426 related FT8 messages, 48 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 36 UTC dates. Heard between 2026-05-29 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 RC3D worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RC3D
Approximate centre of KO75, decoded 2026-07-23 07:06 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 | RC3D S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 19:51 | 80m | -7 / - | RV6LVO | - / -15 | 2 | ✓ Closing fragment |
| 08-22 19:50 | 80m | -8 / -7 | SP1MGM | +18 / -3 | 5 | ✓ Full exchange observed |
| 08-22 10:48 | 20m | - / +1 | RO6OP | -5 / - | 2 | ✓ Closing fragment |
| 08-21 18:42 | 80m | - / - | DO7RMS | 0 / - | 2 | Partial capture |
| 08-21 18:36 | 80m | -2 / -9 | UF4S/P | -13 / -3 | 12 | ✓ Full exchange observed |
| 08-21 15:10 | 20m | -8 / +5 | GJ0KYZ | -8 / - | 3 | ✓ Closing observed |
| 08-21 15:07 | 20m | -8 / - | C91RU | - / -12 | 5 | Partial capture |
| 08-20 17:36 | 40m | -1 / -5 | UA3WG | -4 / - | 4 | ✓ Closing observed |
| 08-20 17:35 | 40m | - / -16 | F5MSE | -8 / - | 2 | Partial capture |
| 08-20 17:35 | 40m | -4 / - | RK9UM | -3 / -6 | 4 | ✓ Closing observed |
| 08-20 17:33 | 40m | -2 / +3 | DB3MAX | -1 / -5 | 7 | ✓ Full exchange observed |
| 08-20 17:32 | 40m | -3 / +10 | R3WDW | +14 / -2 | 6 | ✓ Full exchange observed |
| 08-20 17:28 | 40m | -3 / - | 5A1AL | - / -12 | 5 | Partial capture |
| 08-20 17:10 | 40m | -2 / - | GM0SDV | - / -9 | 6 | Partial capture |
| 08-20 17:09 | 40m | 0 / - | UB3PET | - / +2 | 2 | Partial capture |
| 08-20 17:06 | 40m | -3 / - | UB2FEK | 0 / 0 | 5 | ✓ Full exchange observed |
| 08-20 17:02 | 80m | -7 / +1 | R3SV | -6 / - | 4 | ✓ Closing observed |
| 08-20 17:00 | 80m | -7 / - | UB4FGK | -16 / -4 | 5 | ✓ Closing observed |
| 08-20 16:57 | 80m | -8 / -1 | RC1TF | -8 / -7 | 8 | ✓ Full exchange observed |
| 08-15 19:52 | 80m | +12 / - | RC0AT/P | - / -14 | 7 | Partial capture |
| 08-15 19:43 | 40m | +8 / - | UA6YEX | - / -10 | 3 | Partial capture |
| 08-15 19:38 | 40m | +2 / - | R2FEA | +4 / 0 | 3 | ✓ Closing observed |
| 08-15 19:34 | 40m | +5 / - | RW3C/P | - / -6 | 7 | ✓ Closing fragment |
| 08-15 18:00 | 40m | +3 / - | RI0FA | - / -7 | 6 | ✓ Closing fragment |
| 08-15 16:48 | 40m | -2 / - | UA3WDO | - / -15 | 10 | Partial capture |
| 08-15 16:07 | 40m | -12 / - | RC0AT/P | - / -12 | 6 | ✓ Closing fragment |
| 08-15 15:10 | 20m | - / - | DL1R | +3 / - | 4 | Partial capture |
| 08-15 15:10 | 20m | - / - | OE8RPK | -24 / - | 2 | Partial capture |
| 08-15 15:07 | 20m | - / -14 | RU3QR | -21 / - | 7 | Partial capture |
| 08-15 15:02 | 20m | - / - | OE8PIT | -6 / - | 4 | Partial capture |
| 08-14 20:17 | 80m | +12 / - | R3WDW/P | -9 / -5 | 5 | ✓ Full exchange observed |
| 08-14 20:15 | 80m | +13 / - | R1IO | - / +4 | 4 | ✓ Closing fragment |
| 08-14 20:03 | 40m | +8 / - | R1BRB | - / -17 | 2 | Partial capture |
| 08-14 19:59 | 40m | +9 / - | RX3DPK/LH | - / +2 | 5 | Partial capture |
| 08-14 19:48 | 80m | +10 / +4 | RA3PGR | +4 / +2 | 5 | ✓ Full exchange observed |
| 08-14 19:46 | 80m | +17 / 0 | RA4FHO | +4 / - | 3 | ✓ Closing observed |
| 08-14 19:43 | 80m | +10 / - | RU4SO | - / - | 2 | ✓ Closing fragment |
| 08-08 19:33 | 80m | +3 / - | RA3X | +13 / -2 | 3 | ✓ Closing observed |
| 08-07 19:09 | 80m | +8 / - | R4ABW | -1 / -2 | 4 | ✓ Closing observed |
| 08-07 19:07 | 40m | +2 / - | RW3ZC | -6 / +1 | 4 | ✓ Closing observed |
| 08-07 19:04 | 40m | +5 / - | RK6ZH | - / -11 | 3 | Partial capture |
| 08-07 18:51 | 80m | -11 / -4 | UA4HBJ | -14 / -1 | 6 | ✓ Full exchange observed |
| 08-07 18:49 | 80m | -9 / - | R1WCK | -22 / -7 | 6 | ✓ Closing observed |
| 08-07 18:45 | 80m | -11 / - | R1WCK | - / -12 | 3 | Partial capture |
| 08-07 18:43 | 80m | -5 / - | UB0SMX/P | - / -13 | 3 | Partial capture |
| 08-07 18:35 | 80m | -5 / 0 | R1ZH | -20 / -2 | 8 | ✓ Full exchange observed |
| 08-07 18:32 | 80m | 0 / - | UB0SMX/P | - / -16 | 4 | Partial capture |
| 08-07 18:29 | 80m | -8 / - | R4CJN | +2 / 0 | 3 | ✓ Closing observed |
| 08-07 18:27 | 80m | -3 / - | UB6OAK | -7 / -10 | 6 | ✓ Closing observed |
| 08-07 18:26 | 80m | -6 / -1 | RA4CQW/P | -9 / - | 2 | ✓ Closing observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 184115 +0 1215 UF4S/P RC3D -03 184130 -13 1215 RC3D UF4S/P R-09 184145 +1 1215 UF4S/P RC3D RR73 184200 +1 1215 RC3D DO7RMS JO71 184215 +4 1216 UF4S/P RC3D 73 184230 +0 1215 RC3D DO7RMS JO71 194800 -6 2141 RV6LVO RC3D -17 195030 +18 2576 RC3D SP1MGM JO73 195045 -10 2576 SP1MGM RC3D -03 195100 +17 2576 RC3D SP1MGM R-07 195115 -6 2575 SP1MGM RC3D RR73 195130 +20 2576 RC3D SP1MGM 73 195145 -9 2575 RV6LVO RC3D -15 (x2) 195330 -4 2576 R5BI RC3D -03
UTC dB Audio Message 151200 -23 1420 RC3D RU3QR -14 151200 +7 2656 RC3D DL1R JN58 151230 -24 1420 RC3D RU3QR -14 151230 -14 628 RC3D F5NNN IN94 151300 -24 1420 RC3D RU3QR -14 150745 -8 2716 C91RU RC3D -12 (x5) 151030 -7 2716 RC3D GJ0KYZ +05 (x2) 151115 -8 2671 GJ0KYZ RC3D 73 104800 -5 1461 RC3D RO6OP R+01 (x2)
UTC dB Audio Message 173400 -2 2655 DB3MAX RC3D -05 173415 -1 2654 RC3D DB3MAX R+03 173430 -2 2655 DB3MAX RC3D RR73 173445 -3 2654 RC3D DB3MAX 73 173500 -2 2655 DB3MAX RC3D 73 173515 -3 2655 RC3D RK9UM NO35 173515 -9 2026 RC3D F5MSE -16 173530 -3 2656 RK9UM RC3D -06 173545 -8 2027 RC3D F5MSE -16 173600 -4 2655 RK9UM RC3D RR73 173615 -3 2655 RC3D RK9UM 73 173645 -3 1851 RC3D UA3WG R-05 173700 -1 2655 UA3WG RC3D RR73 173715 -5 1851 RC3D UA3WG 73 173730 -1 2655 UA3WG RC3D 73
UTC dB Audio Message 191600 -11 2347 R9CS/P RC3D KO75 (x3) 193500 -14 2116 RC3D R2UZ/P R-04
UTC dB Audio Message 122745 -1 2172 RC3D UB6OFG R-04 122800 -10 2520 UB6OFG RC3D RR73 122815 +5 2172 RC3D UB6OFG 73 091115 +4 2813 RD7P RC3D -06 (x2) 091200 -19 1316 RC3D RD7P 73 091300 -6 2817 RC3D RL1B -16 134100 -16 2279 RC3D UA6B KN96 (x2) 070545 -24 1494 R6UBM RC3D KO75 (x4) 070930 -14 981 RC3D R6TA LN13 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.