RT4A — FT8 station from European Russia
Amateur radio station RT4A operating from European Russia. 1,860 FT8 spots received at SO8OO WebSDR, 1,489 CQ calls, active on 160m, 80m, 40m, 20m, 10m, over 21 days, best SNR +15 dB. Heard between 2026-04-21 and 2026-05-19.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
1,860
Total spots
1,489
CQ calls
21
Days active
-7 dB
Avg SNR
Bands
80m
20m
40m
10m
160m
First seen: 2026-04-21
Last seen: 2026-05-19 01:24 UTC
Last seen: 2026-05-19 01:24 UTC
Frequent QSO partners observed at SO8OO
Stations RT4A worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RT4A | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-19 03:24 | 20m | +2 / - | RC8SC | - / -13 | 2 | Partial |
| 05-19 03:19 | 20m | +5 / -17 | RC8SC | -16 / -13 | 6 | Partial |
| 05-19 02:20 | 20m | -21 / - | N8PFK | - / - | 3 | Partial |
| 05-19 02:03 | 20m | -14 / - | K9RE | - / -18 | 2 | Partial |
| 05-18 19:13 | 20m | -2 / - | G1ISP/P | - / - | 2 | Partial |
| 05-18 18:53 | 20m | -4 / -11 | G6MTI | -9 / - | 2 | Partial |
| 05-18 18:46 | 20m | -6 / - | CR7BRV | - / -23 | 4 | ✓ Confirmed |
| 05-18 16:49 | 20m | - / -14 | <...> | -21 / - | 3 | Partial |
| 05-17 17:59 | 20m | - / -15 | RT4A/QRP | -12 / - | 4 | Partial |
| 05-17 09:29 | 10m | - / -4 | YD0JHX | -20 / - | 5 | Partial |
| 05-15 03:17 | 20m | -10 / +7 | R9DZ | +2 / - | 4 | ✓ Verified |
| 05-15 03:09 | 20m | -6 / - | UN8PC | - / - | 2 | ✓ Confirmed |
| 05-15 02:35 | 40m | -10 / - | F1POK | - / - | 7 | Partial |
| 05-15 02:27 | 40m | -16 / - | ON4MAP | - / - | 6 | Partial |
| 05-15 02:22 | 40m | -11 / - | F1POK | - / - | 5 | Partial |
| 05-15 02:11 | 40m | -3 / - | IK4LZH | - / -11 | 3 | ✓ Confirmed |
| 05-15 02:06 | 40m | -6 / - | UG4L | - / - | 3 | ✓ Confirmed |
| 05-14 16:32 | 20m | - / -3 | A71AH | -8 / - | 2 | ✓ Confirmed |
| 05-14 16:28 | 20m | - / -15 | HB9TWG | -11 / - | 3 | Partial |
| 05-14 16:25 | 20m | -6 / - | G4DBW | -8 / -4 | 3 | ✓ Verified |
| 05-14 16:06 | 20m | - / - | BX4AQ | -13 / - | 5 | Partial |
| 05-14 03:09 | 40m | -15 / -14 | AO5RKB | -15 / -11 | 4 | Partial |
| 05-14 03:06 | 40m | - / -8 | F4HQL | -16 / - | 2 | ✓ Confirmed |
| 05-14 02:50 | 40m | - / -3 | <...> | -14 / - | 2 | Partial |
| 05-14 02:34 | 40m | -8 / - | F4HJX | - / - | 7 | Partial |
| 05-14 02:30 | 40m | -4 / - | F1PBZ | - / -5 | 2 | ✓ Confirmed |
| 05-13 03:17 | 40m | -14 / - | RQ6B | - / - | 2 | ✓ Confirmed |
| 05-13 03:10 | 40m | -10 / - | CT3MD | - / -18 | 3 | ✓ Confirmed |
| 05-13 03:09 | 40m | -22 / - | F5LMJ | - / - | 2 | Partial |
| 05-13 02:57 | 40m | -17 / - | ON4MAP | - / - | 4 | Partial |
| 05-11 11:42 | 20m | - / -14 | R3AM | -9 / - | 3 | ✓ Confirmed |
| 05-11 09:31 | 20m | - / - | R8ADR/P | +4 / - | 2 | Partial |
| 05-11 04:19 | 20m | - / -19 | CR7BRV | -18 / - | 2 | ✓ Confirmed |
| 05-10 17:35 | 40m | +6 / - | E70SZ | - / -8 | 4 | ✓ Confirmed |
| 05-10 05:21 | 20m | - / +6 | RV6F | 0 / - | 2 | ✓ Confirmed |
| 05-10 05:15 | 20m | -15 / - | UB3DVS | - / - | 2 | Partial |
| 05-10 05:03 | 20m | -14 / +4 | RA6OY | -4 / -1 | 5 | ✓ Complete |
| 05-05 16:33 | 40m | - / - | <...> | -19 / - | 3 | Partial |
| 05-05 16:05 | 40m | - / - | <...> | -20 / - | 2 | Partial |
| 05-05 03:12 | 80m | -4 / - | <...> | - / -9 | 2 | Partial |
| 05-03 18:05 | 80m | -4 / - | <...> | - / -2 | 2 | Partial |
| 05-03 17:52 | 40m | - / - | <...> | -2 / - | 2 | Partial |
| 05-03 11:17 | 20m | - / -15 | <...> | -2 / - | 2 | Partial |
| 05-03 04:44 | 20m | - / - | <...> | +8 / - | 3 | Partial |
| 05-03 04:37 | 20m | - / - | <...> | +9 / - | 3 | Partial |
| 05-03 04:31 | 20m | - / - | CO2EAP | +9 / - | 6 | Partial |
| 05-01 17:45 | 40m | -14 / - | RK3DSW | -3 / - | 2 | ✓ Verified |
| 05-01 17:27 | 40m | -14 / - | RU3AMO | - / +2 | 3 | ✓ Confirmed |
| 05-01 17:21 | 40m | +5 / - | <...> | -8 / +5 | 4 | Partial |
| 05-01 17:14 | 40m | - / -5 | <...> | -3 / - | 3 | Partial |
Station Log
20m
UTC dB Freq Message 020445 -16 2058 RT4A K9RE R-18 022045 -19 1665 RT4A N8PFK EM80 (x3) 023745 -24 1665 RT4A KJ4PEO EM91 025215 -21 1663 RT4A WD4XE -13 025545 -24 1664 RT4A W4DXL EM95 031915 +6 1781 RT4A RC8SC LO71 031930 -16 1664 RC8SC RT4A -17 031945 +7 1781 RT4A RC8SC R-13 (x6)
10m
UTC dB Freq Message 150400 -12 1260 RT4A CX2TQ 73 151730 -3 512 RT4A XU7O -05 090400 -22 2124 CQ RT4A LN28 092630 -19 1528 VK9BSA RT4A LN28 092700 -20 1528 CQ RT4A LN28 (x4) 092930 -19 1528 YD0JHX RT4A -04 (x5) 093300 -19 1528 CQ RT4A LN28 (x2)
40m
UTC dB Freq Message 023200 -16 1833 CQ RT4A LN28 (x7) 023545 -10 1833 RT4A F1POK JN27 (x2) 023630 -19 1833 CQ RT4A LN28 a1 023645 -10 1832 RT4A F1POK JN27 (x5)
80m
UTC dB Freq Message 033045 -18 1939 CQ RT4A LN28 033230 +6 1340 RT4A <...> -25 (x2) 033345 -21 1939 CQ RT4A LN28 a1 (x7) 180345 -2 1507 RP81NIK RT4A R-12 180500 -1 1715 RT4A <...> -02 (x4)
160m
UTC dB Freq Message 183430 +0 1417 RT4A RM3ZR KO90 (x3) 190800 +2 2723 RT4A R6OD KN87 (x3) 191300 +1 2451 RT4A RD7O KN98 (x2) 174300 -6 2024 RT4A RM3ZR R-20 (x2)