RT4A — FT8 station from European Russia
Amateur radio station RT4A operating from European Russia (grid square JN37). 1,752 FT8 spots received at SO8OO WebSDR, 1,435 CQ calls, active on 160m, 80m, 40m, 20m, 10m, over 17 days, best SNR +15 dB. Heard between 2026-04-21 and 2026-05-14.
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Overview
1,752
Total spots
1,435
CQ calls
17
Days active
-7 dB
Avg SNR
Bands
80m
20m
40m
10m
160m
First seen: 2026-04-21
Last seen: 2026-05-14 14:46 UTC
Last seen: 2026-05-14 14:46 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 | |
|---|---|---|---|---|---|---|
| 05-14 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 |
| 05-01 16:48 | 40m | - / -18 | R3DKT | -6 / - | 4 | ✓ Confirmed |
| 05-01 16:47 | 40m | - / -2 | EW2GI | -10 / - | 2 | ✓ Confirmed |
| 05-01 15:46 | 40m | - / -22 | <...> | -16 / - | 3 | Partial |
| 05-01 15:25 | 40m | - / - | <...> | -19 / - | 2 | Partial |
| 05-01 05:48 | 40m | +11 / - | <...> | - / -13 | 2 | Partial |
| 05-01 05:30 | 40m | +7 / -2 | <...> | -14 / -6 | 3 | Partial |
| 05-01 03:32 | 80m | +6 / - | <...> | - / -25 | 2 | Partial |
| 05-01 03:22 | 80m | - / - | RP81RD | -16 / - | 2 | Partial |
| 05-01 03:01 | 80m | - / +3 | RP81WP | -12 / - | 2 | Partial |
| 05-01 02:57 | 80m | -9 / -7 | <...> | -10 / -1 | 5 | Partial |
| 05-01 02:52 | 80m | -14 / -3 | RP81SIE | -9 / - | 4 | ✓ Complete |
| 05-01 02:51 | 80m | - / -3 | RP81MF | -4 / - | 4 | Partial |
| 05-01 02:50 | 80m | -4 / - | <...> | -7 / +6 | 3 | Partial |
| 04-30 23:34 | 40m | +1 / - | CR7BRV | -4 / -1 | 5 | ✓ Verified |
| 04-30 23:01 | 40m | -6 / - | IN3IZQ | - / - | 2 | Partial |
| 04-30 22:57 | 40m | -6 / - | IN3IZQ | - / - | 2 | Partial |
| 04-30 22:43 | 40m | -13 / - | PD0CL | - / -17 | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 163400 -10 2071 CQ RT4A LN28 (x14) 164630 -9 1064 RT4A DF1TJ JN37
40m
UTC dB Freq Message 030615 -16 1509 F4HQL RT4A -08 (x2) 030900 -17 1275 RT4A AO5RKB IM98 030915 -15 1509 AO5RKB RT4A -14 030930 -15 1275 RT4A AO5RKB IM98 (x2) 031115 -15 1509 CQ RT4A LN28 (x9)
10m
UTC dB Freq Message 150200 -19 1260 RT4A CX2TQ GF25 (x3) 151730 -3 512 RT4A XU7O -05 090400 -22 2124 CQ RT4A LN28
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)