RX4SA — FT8 station from European Russia
Amateur radio station RX4SA operating from European Russia. 969 FT8 spots received at SO8OO WebSDR, 297 CQ calls, active on 80m, 40m, 20m, 10m, over 31 days, best SNR +20 dB. Heard between 2026-05-06 and 2026-06-13.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
969
Total spots
297
CQ calls
31
Days active
-7 dB
Avg SNR
Bands
80m
40m
20m
10m
First seen: 2026-05-06
Last seen: 2026-06-13 18:27 UTC
Last seen: 2026-06-13 18:27 UTC
Frequent QSO partners observed at SO8OO
Stations RX4SA worked most often, as logged from our receiver:
IK4LZH
· Italy ×4
US1EA
· Ukraine ×4
UN0GY
· Kazakhstan ×4
UE6DR
· European Russia ×3
R6DWD
· European Russia ×3
R2SN
· European Russia ×3
UB3LBU
· European Russia ×2
RM5F
· European Russia ×2
UA3RBM
· European Russia ×2
MI7XHT
· Northern Ireland ×2
UE7DR
· European Russia ×2
R95WTA
· European Russia ×2
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RX4SA | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-13 18:31 | 40m | -2 / - | EW8HP | - / -2 | 2 | ✓ Confirmed |
| 06-12 18:30 | 40m | -10 / - | R1TAX | - / -4 | 4 | Partial |
| 06-12 18:29 | 40m | -4 / - | UE6DR | - / -9 | 3 | ✓ Confirmed |
| 06-10 17:13 | 40m | -12 / - | UE7DR | - / -9 | 2 | ✓ Confirmed |
| 06-10 13:35 | 20m | - / -10 | RV0APH | -6 / - | 3 | ✓ Confirmed |
| 06-10 13:05 | 20m | -1 / +4 | UE6RU | 0 / - | 7 | ✓ Verified |
| 06-10 13:01 | 20m | -1 / +4 | UE6DR | -4 / +10 | 7 | ✓ Complete |
| 06-10 12:57 | 20m | +2 / -5 | UE6DR | -6 / +1 | 6 | ✓ Complete |
| 06-10 12:51 | 20m | +1 / -6 | UE7DR | +4 / -3 | 7 | ✓ Complete |
| 06-07 22:35 | 80m | - / -12 | RV3DBV | -13 / - | 3 | ✓ Confirmed |
| 06-07 22:33 | 40m | - / - | A61CK | -13 / - | 3 | Partial |
| 06-07 22:31 | 40m | - / - | DD1RK | -14 / - | 2 | Partial |
| 06-07 22:29 | 40m | -17 / - | LB9ZG | - / -1 | 2 | ✓ Confirmed |
| 06-07 22:21 | 20m | -10 / - | UI5A | - / -6 | 2 | ✓ Confirmed |
| 06-07 16:51 | 40m | -21 / - | RV6BT | - / -3 | 3 | ✓ Confirmed |
| 06-07 16:49 | 40m | -17 / - | RA3TK | - / - | 2 | ✓ Confirmed |
| 06-06 18:47 | 80m | -16 / - | UF6VX | -14 / -12 | 4 | Partial |
| 06-06 15:48 | 40m | -12 / - | R2APC/P | - / -1 | 2 | ✓ Confirmed |
| 06-06 15:37 | 20m | - / - | IU6OEI | 0 / - | 4 | Partial |
| 06-06 11:01 | 10m | -16 / - | RZ5D | - / +3 | 3 | ✓ Confirmed |
| 06-06 10:59 | 10m | +2 / - | RN7A | - / -11 | 2 | Partial |
| 06-05 19:10 | 40m | +10 / - | RD3FY | - / -15 | 2 | ✓ Confirmed |
| 06-05 17:34 | 80m | -5 / - | RA3X | -19 / - | 5 | ✓ Verified |
| 06-04 19:12 | 80m | -20 / +3 | R4DB | -16 / - | 3 | ✓ Verified |
| 06-04 17:16 | 20m | - / - | YO3CHE | +1 / - | 7 | Partial |
| 06-04 17:14 | 20m | - / - | R8AIJ | -7 / - | 2 | Partial |
| 06-04 17:09 | 20m | - / - | HF6W | -2 / - | 2 | ✓ Confirmed |
| 06-04 17:07 | 20m | - / - | KL7RW | -3 / - | 4 | Partial |
| 06-04 17:05 | 20m | - / -7 | <...> | -2 / - | 3 | Partial |
| 06-04 16:57 | 20m | +4 / -8 | IQ9USG | +7 / -12 | 7 | ✓ Complete |
| 06-04 16:55 | 20m | -11 / -14 | <...> | +2 / -12 | 3 | Partial |
| 06-04 09:31 | 10m | -2 / - | RA3ZH | - / -6 | 3 | ✓ Confirmed |
| 06-04 09:19 | 10m | +11 / +3 | RZ3Z | -18 / -7 | 4 | ✓ Complete |
| 06-04 08:26 | 10m | - / -4 | RW4Z | -18 / - | 4 | Partial |
| 06-04 08:23 | 10m | - / - | <...> | -21 / - | 3 | Partial |
| 06-04 06:07 | 20m | -5 / - | UN0GY | - / +5 | 3 | ✓ Confirmed |
| 06-04 05:00 | 40m | -18 / - | R2EA | - / -12 | 2 | ✓ Confirmed |
| 06-02 17:34 | 40m | -12 / - | US1EA | - / - | 2 | ✓ Confirmed |
| 06-02 17:07 | 20m | - / -18 | UB6LLI | -22 / - | 2 | ✓ Confirmed |
| 06-02 17:04 | 20m | -2 / - | SV5BYP | - / - | 3 | ✓ Confirmed |
| 06-02 16:56 | 20m | - / -14 | IQ0OS | -18 / - | 2 | ✓ Confirmed |
| 06-02 16:27 | 20m | -10 / - | US1EA | - / - | 2 | Partial |
| 06-02 16:21 | 20m | - / - | YB8HSL | -11 / - | 8 | Partial |
| 06-02 16:16 | 20m | - / -13 | UF6VX | -19 / - | 3 | ✓ Confirmed |
| 06-02 16:14 | 20m | - / - | 3B8GL | -21 / - | 2 | Partial |
| 06-02 16:02 | 20m | - / -12 | BA6IM | -20 / - | 2 | ✓ Confirmed |
| 06-02 15:54 | 20m | - / - | LB3HK | -23 / - | 2 | Partial |
| 06-02 15:52 | 20m | - / -4 | UB9USV | -20 / - | 2 | ✓ Confirmed |
| 06-02 15:43 | 20m | - / -10 | SP2EWQ | -20 / - | 6 | ✓ Confirmed |
| 06-02 15:37 | 20m | - / - | RG3M | -17 / - | 3 | Partial |
Station Log
80m
UTC dB Freq Message 173645 -3 1739 RX4SA RA3X RR73 184730 -12 1618 UF6VX RX4SA LO36 184745 -13 2244 RX4SA UF6VX -12 184800 -16 1618 UF6VX RX4SA LO36 184815 -20 2244 RX4SA UF6VX -13 184945 -24 1618 UC1Q RX4SA LO36 185200 -6 1269 RX4SA UI5A KO85 185345 -24 1618 CQ RX4SA LO36 (x2) 185600 -8 1814 RX4SA DO2ANW JN57 223530 -14 2240 RV3DBV RX4SA LO36 (x3) 180715 +2 2900 RX4SA UE26RUS -05 202730 -7 1046 RX4SA R2026RU -03
40m
UTC dB Freq Message 183000 -2 879 RX4SA UE6DR RR73 183030 -10 595 RX4SA R1TAX KO58 (x4) 183145 -3 2370 RX4SA EW8HP -02 (x2) 183415 -15 2258 R3LDH RX4SA LO36 183745 -16 2258 CQ RX4SA LO36 (x7)
20m
UTC dB Freq Message 130830 +6 1057 RX4SA R2026RU -02 130845 +5 2163 <...> RX4SA R+01 131530 -5 907 RX4SA RR73; LA2GCA <...> +00 133115 -5 1967 CQ RX4SA LO36 (x8) 133545 -9 1967 RV0APH RX4SA R-10 (x3) 175645 -2 1969 UE0DR RX4SA LO36
10m
UTC dB Freq Message 091945 -17 1560 RZ3Z RX4SA RR73 092045 -24 1560 CQ RX4SA LO36 092100 -14 1559 RX4SA RA3LBW KO64 092630 -11 1748 RX4SA RA3WJR KO81 093130 -1 1560 RX4SA RA3ZH KO81 (x3) 105600 -8 1941 RX4SA RZ6CO LN04 105700 -14 2238 RX4SA RR73; R2DRE <...> +06 105900 +3 557 RX4SA RN7A -11 (x2) 110100 -20 1540 RX4SA RZ5D +03 (x3) 110700 -12 1130 RX4SA R6OU RR73