RT4A — FT8 station from European Russia
Amateur radio station RT4A operating from European Russia (grid square LN28). 2,386 FT8 spots received at SO8OO WebSDR, 1,655 CQ calls, active on 160m, 80m, 40m, 20m, 10m, over 67 days, best SNR +22 dB. Heard between 2026-05-13 and 2026-08-10.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
2,386
Total spots
1,655
CQ calls
67
Days active
-11 dB
Avg SNR
Bands
80m
20m
40m
10m
160m
First seen: 2026-05-13
Last seen: 2026-08-10 01:06 UTC
Last seen: 2026-08-10 01:06 UTC
Frequent QSO partners observed at SO8OO
Stations RT4A worked most often, as logged from our receiver:
IK4LZH
· Italy ×5
UK8FCM
· Uzbekistan ×4
R0ADK
· Asiatic Russia ×3
R4FDD
· European Russia ×3
RQ6B
· European Russia ×2
UI5A
· European Russia ×2
RK6DZ
· European Russia ×2
RA6AR
· European Russia ×2
R2EA/P
· European Russia ×2
E70SZ
· Bosnia-Herzegovina ×2
RA4DX
· European Russia ×2
R3DMS
· European Russia ×2
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RT4A | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 08-08 18:26 | 160m | -16 / - | RA6ATZ | - / - | 2 | Partial |
| 08-08 18:21 | 80m | - / -9 | RA9FDR | -9 / - | 2 | ✓ Confirmed |
| 08-07 19:05 | 160m | -16 / - | R7LB | - / - | 3 | Partial |
| 08-07 18:56 | 80m | - / -11 | UB0SMX/P | -13 / - | 3 | ✓ Confirmed |
| 08-07 18:51 | 80m | +2 / -14 | YU7AS | -16 / -12 | 6 | ✓ Complete |
| 08-07 18:48 | 80m | -10 / - | US1EA | -13 / -5 | 4 | ✓ Complete |
| 08-07 18:46 | 80m | -7 / +10 | R2GFD | -12 / +1 | 5 | ✓ Complete |
| 08-07 18:44 | 80m | - / -4 | <...> | -12 / - | 2 | Partial |
| 08-07 02:32 | 20m | +2 / - | UW5ESX | - / -8 | 3 | Partial |
| 08-07 02:31 | 20m | -18 / - | LZ1BT | - / - | 4 | Partial |
| 08-07 02:23 | 20m | -19 / - | IU3WIX | - / - | 4 | Partial |
| 08-06 19:11 | 40m | -8 / - | RA6OD | - / -4 | 2 | ✓ Confirmed |
| 08-06 17:05 | 40m | -11 / - | RA3ZOM | - / -7 | 4 | ✓ Confirmed |
| 08-06 16:53 | 40m | -20 / - | RU3QR | - / -1 | 2 | ✓ Confirmed |
| 08-06 16:24 | 20m | -19 / - | DG5PW | - / - | 3 | Partial |
| 08-06 16:17 | 20m | +2 / - | EA7OC | - / - | 2 | Partial |
| 08-06 02:53 | 40m | -7 / - | R4ML | - / +3 | 3 | ✓ Confirmed |
| 08-06 02:27 | 40m | - / - | RD3FY | -21 / - | 2 | ✓ Confirmed |
| 08-06 02:25 | 40m | - / - | 5B4ALJ | -20 / - | 2 | Partial |
| 08-05 19:33 | 80m | +13 / +1 | DM5KM | +2 / -8 | 5 | ✓ Complete |
| 08-05 19:31 | 80m | -12 / - | R4ADD | 0 / -15 | 4 | ✓ Verified |
| 08-05 02:06 | 40m | -20 / -10 | EA2DYB | -20 / - | 3 | ✓ Verified |
| 08-04 03:16 | 40m | - / -11 | SP7VPR | -22 / - | 2 | ✓ Confirmed |
| 07-25 10:47 | 10m | -4 / - | IU1TKT | - / - | 4 | Partial |
| 07-25 04:55 | 20m | -4 / - | RM6J | - / -22 | 2 | ✓ Confirmed |
| 07-25 04:39 | 20m | - / -9 | RQ6B | -10 / - | 2 | Partial |
| 07-25 04:36 | 20m | 0 / - | RQ6B | - / +4 | 3 | ✓ Confirmed |
| 07-24 03:00 | 20m | -9 / - | 5Z4VJ | - / -6 | 3 | ✓ Confirmed |
| 07-23 15:07 | 10m | -10 / - | RN6MA | - / -17 | 3 | Partial |
| 07-21 04:28 | 20m | - / -19 | R3DDS | -22 / - | 2 | Partial |
| 07-21 01:48 | 40m | - / - | OA4ENG | -18 / - | 2 | Partial |
| 07-21 01:46 | 40m | - / - | VP5G | -18 / - | 2 | Partial |
| 07-20 17:36 | 40m | -15 / - | RC6OZ | -20 / - | 3 | ✓ Verified |
| 07-20 17:31 | 40m | -18 / - | RV3QP | - / - | 2 | Partial |
| 07-19 17:12 | 20m | -14 / +10 | R5BM | -4 / - | 3 | ✓ Verified |
| 07-19 17:10 | 20m | - / - | IK4ADE | -4 / - | 3 | Partial |
| 07-19 06:27 | 10m | -18 / - | RG6OR | - / +1 | 4 | ✓ Confirmed |
| 07-19 05:11 | 20m | -15 / - | M7BQC | - / -15 | 5 | ✓ Confirmed |
| 07-17 18:04 | 80m | -9 / -9 | UB0SMX/P | -16 / -12 | 5 | ✓ Complete |
| 07-16 19:49 | 80m | -17 / -15 | SV1TPO | -4 / -16 | 4 | ✓ Complete |
| 07-16 19:44 | 80m | -4 / - | DM2GM | -5 / -13 | 4 | ✓ Verified |
| 07-16 19:44 | 80m | -10 / - | SV1TPO | - / - | 2 | Partial |
| 07-16 19:39 | 80m | - / -27 | R9CS/P | -6 / - | 2 | Partial |
| 07-16 19:37 | 80m | +5 / +10 | RV3X | 0 / +5 | 5 | ✓ Complete |
| 07-16 19:36 | 80m | - / -14 | JA5XAE | 0 / - | 2 | Partial |
| 07-16 19:16 | 80m | -7 / - | YO4BEW | 0 / +6 | 4 | ✓ Verified |
| 07-16 19:13 | 80m | -12 / +9 | R3BDQ | +4 / -16 | 4 | ✓ Complete |
| 07-16 19:11 | 80m | +1 / -5 | SQ2PHC | -6 / +5 | 5 | ✓ Complete |
| 07-16 19:08 | 80m | +7 / - | R3HH | - / -16 | 3 | ✓ Confirmed |
| 07-16 19:06 | 80m | -8 / - | DG6IDA | - / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 023100 -19 1541 RT4A LZ1BT KN12 (x3) 023200 +1 2864 RT4A UW5ESX KN67 (x2) 023230 -17 1541 RT4A LZ1BT KN12 023300 +3 2864 RT4A UW5ESX R-08 030130 -23 1541 RT4A LZ1BT KN12 042045 -23 2148 CQ RT4A LN28 (x7)
160m
UTC dB Freq Message 191115 -13 1726 RT4A R3TKN -15 (x3) 191345 -16 1191 RT4A UI4I LO43 (x2) 184545 -18 1028 RT4A R7LB LN17 (x4) 182600 -17 1899 RT4A RA6ATZ KN96 (x2)
80m
UTC dB Freq Message 185245 -15 1856 YU7AS RT4A RR73 185300 +2 1856 RT4A YU7AS 73 185315 -16 1856 CQ RT4A LN28 (x4) 185630 -10 1857 UB0SMX/P RT4A LN28 (x3) 182015 -20 1992 CQ RT4A LN28 (x2) 182115 -10 1992 RA9FDR RT4A -09 (x2) 182215 -12 1992 CQ RT4A LN28 (x2)
40m
UTC dB Freq Message 165800 -20 2154 RT4A UA3WG R-03 170015 -19 2155 CQ RT4A LN28 (x4) 170530 -9 1207 RT4A RA3ZOM KO90 (x4) 171545 -22 2155 CQ RT4A LN28 171900 -19 1355 RT4A PA7ZZ JO22 172245 -20 2155 CQ RT4A LN28 a1 191100 -8 2277 RT4A RA6OD R-04 (x2) 172930 -16 1957 RT4A UA6LIK LN08
10m
UTC dB Freq Message 125130 -14 1233 RT4A R2BRD R-14 (x2) 101945 -24 1561 RT4A RC7KH R+01 062700 -17 1631 RT4A RG6OR KN88 (x4) 063730 -10 469 RT4A RJ6ON RR73 150730 -9 2002 RT4A RN6MA -17 (x3) 104745 -3 924 RT4A IU1TKT JN35 (x4)