RX4SA — FT8 station from European Russia
Amateur radio station RX4SA operating from European Russia. 1,365 FT8 spots received at SO8OO WebSDR, 500 CQ calls, active on 80m, 40m, 20m, 10m, over 43 days, best SNR +20 dB. Heard between 2026-05-06 and 2026-06-29.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
1,365
Total spots
500
CQ calls
43
Days active
-8 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-05-06
Last seen: 2026-06-29 15:59 UTC
Last seen: 2026-06-29 15:59 UTC
Frequent QSO partners observed at SO8OO
Stations RX4SA worked most often, as logged from our receiver:
IK4LZH
· Italy ×5
R2SN
· European Russia ×4
US1EA
· Ukraine ×4
UN0GY
· Kazakhstan ×4
R6DWD
· European Russia ×3
UB3LBU
· European Russia ×3
UE6DR
· European Russia ×3
R3IDH
· European Russia ×2
UA3RBM
· European Russia ×2
UE6RU
· European Russia ×2
R95WTA
· Asiatic Russia ×2
RN3ZBX
· European Russia ×2
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | RX4SA | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-29 17:58 | 80m | -11 / - | RZ3ZY | - / -19 | 2 | ✓ Confirmed |
| 06-29 17:11 | 20m | - / - | OE5CCN | -16 / - | 4 | Partial |
| 06-29 17:09 | 20m | - / - | F1SZC | -14 / - | 3 | ✓ Confirmed |
| 06-29 14:31 | 20m | -15 / -6 | RX6O | -17 / - | 2 | ✓ Verified |
| 06-29 09:57 | 10m | -9 / - | RX7O | - / +3 | 2 | ✓ Confirmed |
| 06-29 09:42 | 10m | +6 / - | IK4LZH | - / - | 3 | Partial |
| 06-29 09:22 | 10m | 0 / - | RU4I | - / -10 | 3 | ✓ Confirmed |
| 06-28 20:01 | 40m | - / - | R1BC | -24 / - | 2 | Partial |
| 06-28 19:11 | 40m | - / - | SY1EKX | -21 / - | 3 | Partial |
| 06-28 19:06 | 40m | -17 / - | YT1VDA | -21 / -5 | 3 | ✓ Verified |
| 06-28 18:48 | 40m | -21 / - | RC2N | - / -4 | 2 | ✓ Confirmed |
| 06-28 18:37 | 40m | -16 / - | UB3YCK | - / - | 2 | ✓ Confirmed |
| 06-28 15:33 | 10m | +12 / - | F1PBZ | - / -19 | 4 | Partial |
| 06-28 15:20 | 10m | 0 / - | F4MNT | - / -12 | 2 | Partial |
| 06-28 07:02 | 10m | -1 / - | R1BPZ | - / -3 | 2 | ✓ Confirmed |
| 06-27 19:01 | 10m | -13 / - | EA8UP | - / +9 | 2 | ✓ Confirmed |
| 06-25 18:19 | 80m | +1 / -10 | R6ZEJ | -16 / -7 | 8 | ✓ Complete |
| 06-25 18:13 | 80m | - / - | RC6OD | -16 / - | 2 | Partial |
| 06-25 18:09 | 40m | -9 / - | RX7K | - / -4 | 2 | Partial |
| 06-25 18:06 | 40m | -11 / - | IQ2DB | - / -12 | 4 | ✓ Confirmed |
| 06-25 18:03 | 40m | -10 / - | RC6OD | - / +1 | 2 | ✓ Confirmed |
| 06-25 10:18 | 10m | -20 / - | RA6OF | - / -2 | 2 | ✓ Confirmed |
| 06-24 18:24 | 20m | - / - | YO6POG | -8 / - | 3 | Partial |
| 06-24 18:15 | 20m | - / -16 | HA5CZ/P | -12 / - | 10 | ✓ Confirmed |
| 06-24 18:13 | 20m | - / - | RI0SP | -18 / - | 2 | Partial |
| 06-24 18:09 | 20m | - / -14 | TA2AUL | -18 / - | 2 | ✓ Confirmed |
| 06-24 18:06 | 20m | - / -8 | PD0PHA | -19 / - | 2 | Partial |
| 06-24 17:57 | 20m | - / -8 | JK1ATM | -16 / - | 2 | Partial |
| 06-24 17:33 | 80m | - / - | R3UCC/P | -20 / - | 2 | ✓ Confirmed |
| 06-24 16:11 | 20m | -20 / - | R9FEM | -14 / - | 2 | ✓ Verified |
| 06-24 16:02 | 20m | - / - | SQ5NAP | -14 / - | 2 | Partial |
| 06-24 12:06 | 10m | -18 / - | IQ9BF | - / -14 | 2 | Partial |
| 06-24 06:17 | 20m | -4 / - | II9RICT | - / -11 | 2 | Partial |
| 06-24 06:14 | 20m | -4 / - | II9RICT | - / -17 | 2 | Partial |
| 06-24 06:09 | 20m | -4 / - | II9RICT | - / -18 | 2 | Partial |
| 06-24 06:08 | 20m | - / - | <...> | -20 / - | 2 | Partial |
| 06-23 19:16 | 80m | -9 / - | SV9MBH | - / - | 3 | Partial |
| 06-23 19:11 | 80m | +7 / +1 | R4FV | -4 / -15 | 5 | ✓ Complete |
| 06-23 19:08 | 80m | 0 / -1 | UA3PTK | -9 / +4 | 6 | ✓ Complete |
| 06-23 19:02 | 80m | 0 / - | UA3PTK | -11 / -2 | 4 | Partial |
| 06-23 18:00 | 40m | -18 / - | UA3WG | - / -8 | 2 | ✓ Confirmed |
| 06-23 17:03 | 40m | -14 / - | UB3LBU | - / -7 | 4 | ✓ Confirmed |
| 06-23 08:53 | 20m | -22 / - | IQ6PE | - / -10 | 2 | ✓ Confirmed |
| 06-23 08:45 | 20m | 0 / - | IK4LZH | - / -2 | 2 | ✓ Confirmed |
| 06-22 20:12 | 40m | -14 / - | R4FDQ | -22 / +2 | 2 | Partial |
| 06-22 20:08 | 40m | -22 / +4 | R3PA | -23 / - | 2 | ✓ Verified |
| 06-22 20:05 | 40m | -18 / - | RA3TVW | - / +8 | 2 | ✓ Confirmed |
| 06-22 20:03 | 40m | -14 / +5 | UB3YGA | -21 / - | 2 | Partial |
| 06-22 19:56 | 40m | - / -13 | TN8GD | -23 / - | 2 | Partial |
| 06-22 19:53 | 40m | - / -6 | RA6FYL | -21 / - | 3 | ✓ Confirmed |
Station Log
80m
UTC dB Freq Message 181645 -16 1428 CQ RX4SA LO36 (x5) 181930 +3 616 RX4SA R6ZEJ -07 181945 -15 1429 R6ZEJ RX4SA R-10 (x3) 182100 +1 616 RX4SA R6ZEJ -09 182115 -17 1430 R6ZEJ RX4SA R-11 182130 +0 615 RX4SA R6ZEJ RR73 182145 -16 1429 R6ZEJ RX4SA 73 175845 -9 1102 RX4SA RZ3ZY -19 (x2)
20m
UTC dB Freq Message 142945 -18 2354 CQ RX4SA LO36 a1 (x2) 143115 -17 2354 RX6O RX4SA -06 143200 -15 2353 RX4SA RX6O 73 161400 -16 2353 RX4SA R4SCB +01 161830 -16 2355 SQ7KMT RX4SA R-15 162245 -19 2362 RX4SA R3ZBY RR73 163215 -19 2354 CQ RX4SA LO36 170915 -12 2354 F1SZC RX4SA LO36 (x3) 171145 -16 2354 OE5CCN RX4SA LO36 (x4)
10m
UTC dB Freq Message 153445 +14 2832 RX4SA F1PBZ -08 201045 -19 2030 RX4SA UB6OCP +01 092200 +0 694 RX4SA RU4I -10 (x3) 094245 +10 587 RX4SA IK4LZH JN54 (x3) 094745 -21 2030 RX4SA RN7B R-07 095245 -22 2055 RX4SA RA3LJ RR73 095715 -8 759 RX4SA RX7O +03 (x2) 100400 -10 2630 RX4SA RA3ZGT RR73 100630 -23 1416 RX4SA RA3X +14 110445 -18 2354 RX4SA R6OK -05
40m
UTC dB Freq Message 180930 -9 335 RX4SA RX7K R-04 183715 -17 1994 RX4SA UB3YCK +00 (x2) 184500 -7 663 RX4SA RD3BTW -23 184830 -22 2069 RX4SA RC2N -04 (x2) 185430 -18 1125 RX4SA RV3IO +14 190600 -21 1823 YT1VDA RX4SA LO36 190615 -17 1876 RX4SA YT1VDA -05 (x2) 191100 -21 1823 SY1EKX RX4SA LO36 (x3) 200100 -24 1824 R1BC RX4SA LO36 (x2)