RD4A — FT8 station from European Russia
Amateur radio station RD4A operating from European Russia. 486 FT8 spots received at SO8OO WebSDR, 161 CQ calls, active on 160m, 80m, 40m, 20m, 10m, over 37 days, best SNR +19 dB. Heard between 2026-04-24 and 2026-07-23.
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Overview
486
Total spots
161
CQ calls
37
Days active
-8 dB
Avg SNR
Bands
80m
20m
40m
10m
160m
First seen: 2026-04-24
Last seen: 2026-07-23 15:54 UTC
Last seen: 2026-07-23 15:54 UTC
Frequent QSO partners observed at SO8OO
Stations RD4A worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RD4A | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-24 09:14 | 20m | - / -13 | TK5K | -10 / - | 3 | Partial |
| 07-24 04:21 | 20m | - / -9 | Z62NS | -16 / - | 2 | ✓ Confirmed |
| 07-23 17:53 | 10m | -1 / - | LZ1SAD | - / -1 | 3 | ✓ Confirmed |
| 07-23 17:28 | 10m | -8 / - | R3LC | - / -14 | 3 | ✓ Confirmed |
| 07-23 17:26 | 10m | - / -10 | TK5K | -22 / - | 2 | ✓ Confirmed |
| 07-17 19:37 | 20m | -9 / - | YS3/PY8WW | -3 / -6 | 7 | Partial |
| 07-17 19:33 | 20m | - / - | <...> | -2 / - | 6 | Partial |
| 07-17 19:27 | 20m | - / +2 | <...> | -1 / - | 5 | Partial |
| 07-14 04:24 | 20m | - / -9 | VK2GQR | -12 / - | 2 | ✓ Confirmed |
| 07-13 04:00 | 20m | - / - | <...> | -6 / - | 3 | Partial |
| 07-13 03:56 | 20m | - / - | FS/F4EQE | -14 / - | 2 | Partial |
| 07-13 03:52 | 20m | - / - | <...> | -17 / - | 6 | Partial |
| 07-13 03:50 | 20m | - / - | N3SD | -19 / - | 2 | Partial |
| 07-13 03:40 | 20m | - / - | HK4ZZ | -13 / - | 3 | Partial |
| 07-13 03:37 | 20m | - / - | W4PSK | -14 / - | 3 | ✓ Confirmed |
| 07-13 03:18 | 20m | - / -1 | HI8ERQ | -20 / - | 3 | ✓ Confirmed |
| 07-13 03:05 | 20m | - / - | XQ2OP | -20 / - | 2 | Partial |
| 07-13 02:59 | 20m | - / - | XQ2OP | -15 / - | 2 | Partial |
| 07-13 02:49 | 20m | - / - | HP1DAV | -20 / - | 2 | Partial |
| 07-13 02:43 | 20m | - / -2 | HI8RMQ | -20 / - | 2 | ✓ Confirmed |
| 07-08 19:44 | 160m | 0 / -2 | R3ZMM | -16 / +1 | 4 | ✓ Complete |
| 07-08 19:43 | 160m | -15 / - | R9SAP | -17 / - | 2 | ✓ Verified |
| 07-08 19:34 | 80m | +2 / - | RW4F | -3 / - | 3 | ✓ Verified |
| 07-08 19:34 | 80m | - / -11 | RC6BB | -2 / - | 2 | ✓ Confirmed |
| 07-08 19:31 | 80m | +3 / -15 | A71QQ | -5 / -10 | 5 | ✓ Complete |
| 07-08 19:29 | 80m | -12 / - | R9FFJ | +7 / -6 | 3 | ✓ Verified |
| 07-08 19:27 | 80m | +2 / - | RM5F | +4 / -3 | 4 | ✓ Verified |
| 07-08 19:26 | 80m | -1 / - | RK1B | +2 / -10 | 4 | ✓ Verified |
| 07-08 03:12 | 20m | - / - | T40FRC | -18 / - | 2 | Partial |
| 06-28 18:37 | 160m | - / -18 | RA4P/P | -19 / - | 5 | ✓ Confirmed |
| 06-28 18:32 | 160m | - / - | RA4P/P | -20 / - | 4 | Partial |
| 06-28 17:41 | 20m | - / -17 | <...> | -4 / - | 2 | Partial |
| 06-28 17:37 | 20m | - / - | <...> | -7 / - | 4 | Partial |
| 06-28 01:41 | 40m | - / - | OA4ENG | -15 / - | 4 | Partial |
| 06-26 04:34 | 20m | - / - | <...> | -16 / - | 3 | Partial |
| 06-26 04:02 | 20m | - / - | HI7AMB | -19 / - | 2 | Partial |
| 06-26 03:38 | 20m | - / -2 | N0KSC | -16 / - | 2 | Partial |
| 06-19 18:36 | 80m | - / -21 | R3HW/M | -15 / - | 2 | Partial |
| 06-19 02:56 | 20m | -20 / - | NX5T | - / -16 | 2 | ✓ Confirmed |
| 06-19 02:44 | 20m | -12 / - | N2SCJ | - / - | 3 | Partial |
| 06-19 02:20 | 20m | +4 / - | A92AE | - / -18 | 4 | ✓ Confirmed |
| 06-19 02:16 | 20m | -4 / - | KZ4NS | - / - | 4 | Partial |
| 06-19 01:54 | 20m | -12 / - | 7Q5MP | - / -4 | 2 | ✓ Confirmed |
| 06-18 18:34 | 10m | - / -14 | D44EC | -7 / - | 4 | ✓ Confirmed |
| 06-18 18:32 | 10m | - / -13 | EA4IAH | -14 / - | 2 | Partial |
| 06-18 18:30 | 10m | - / -15 | F1ONW | -16 / - | 2 | ✓ Confirmed |
| 06-18 18:29 | 10m | - / -6 | XQ3SK | -14 / - | 2 | Partial |
| 06-18 18:25 | 10m | - / - | D44EC | -12 / - | 2 | Partial |
| 06-18 17:59 | 10m | - / - | D44EC | -4 / - | 3 | Partial |
| 06-18 17:56 | 10m | - / -2 | PY8ZB | -10 / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 193745 -2 2074 YS3/PY8WW RD4A LN28 (x4) 193930 -9 2548 RD4A YS3/PY8WW -06 193945 -4 2073 YS3/PY8WW RD4A R+00 041915 -16 2338 Z62NS RD4A LN28 (x3) 042315 -13 1019 RM5C RD4A RR73 043045 -12 628 TK5K RD4A R-20 (x5)
10m
UTC dB Freq Message 111130 -22 1496 CQ RD4A LN28 (x6) 172630 -24 1739 TK5K RD4A R-10 (x2) 172745 -9 2568 RD4A R2EA RR73 172845 -9 395 RD4A R3LC KO64 (x3) 175300 -2 896 RD4A LZ1SAD KN22 (x3)
160m
UTC dB Freq Message 183245 -23 1647 RA4P/P RD4A LN28 (x8) 194030 -17 1872 <...> RD4A R-13 194300 -15 1107 RD4A R9SAP RR73 194315 -17 1872 R9SAP RD4A 73 194400 +3 2092 RD4A R3ZMM KO90 194415 -15 1872 R3ZMM RD4A -02 194430 -2 2092 RD4A R3ZMM R+01 194445 -16 1872 R3ZMM RD4A RR73
80m
UTC dB Freq Message 192815 +4 1876 RM5F RD4A RR73 192830 +4 1056 RD4A RM5F 73 192900 -11 853 RD4A R9FFJ LO76 (x2) 192945 +7 1875 R9FFJ RD4A RR73 193130 -8 1875 A71QQ RD4A LN28 193145 +3 1280 RD4A A71QQ -10 193200 -3 1875 A71QQ RD4A R-15 193215 +3 1280 RD4A A71QQ RR73 193230 -3 1875 A71QQ RD4A 73 193400 -2 1875 RC6BB RD4A -11 (x2) 193445 +5 928 RD4A RW4F LO23 193530 -3 1875 RW4F RD4A RR73 193545 -1 928 RD4A RW4F 73
40m
UTC dB Freq Message 181700 -3 3015 RD4A R6DJR +04 155430 -18 2137 RD4A R2EA/P -09 031830 -21 2328 RD4A R3KMI RR73 031930 -18 2021 RD4A R7MP LN17 (x2) 172830 -6 2457 RD4A UE6RU RR73 173045 -23 1341 CQ RD4A LN28 a1 182730 -17 2242 R1BFL/P RD4A LN28 013630 -20 1582 OA4ENG RD4A RR73 (x6) 175045 -22 1837 FR4AW RD4A LN28