UA4SJB — FT8 station from European Russia
Amateur radio station UA4SJB operating from European Russia. 238 FT8 spots received at SO8OO WebSDR, 24 CQ calls, active on 80m, 40m, 20m, over 11 days, best SNR +18 dB. Heard between 2026-04-21 and 2026-05-11.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
238
Total spots
24
CQ calls
11
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
First seen: 2026-04-21
Last seen: 2026-05-11 16:30 UTC
Last seen: 2026-05-11 16:30 UTC
Frequent QSO partners observed at SO8OO
Stations UA4SJB worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | UA4SJB | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 04-30 17:49 | 80m | -2 / - | RA4CFX | -15 / -1 | 3 | ✓ Verified |
| 04-30 17:47 | 80m | +6 / -5 | R6OD | -14 / -5 | 4 | ✓ Complete |
| 04-30 17:45 | 80m | -8 / - | EU7DD | - / -10 | 2 | ✓ Confirmed |
| 04-30 17:40 | 80m | -2 / - | R6ZCE | -18 / -19 | 4 | ✓ Verified |
| 04-30 17:38 | 80m | -14 / - | R4FDD | - / +4 | 3 | ✓ Confirmed |
| 04-30 15:03 | 40m | +3 / - | EW2AAA | - / -17 | 3 | ✓ Confirmed |
| 04-30 08:06 | 20m | -22 / - | MI7XHT | - / - | 2 | Partial |
| 04-30 08:02 | 20m | - / -20 | E75W | -5 / - | 3 | ✓ Confirmed |
| 04-30 07:55 | 20m | - / -14 | R2FDS | +1 / - | 4 | ✓ Confirmed |
| 04-30 07:49 | 20m | +2 / -15 | IK4LZH | -16 / -4 | 3 | Partial |
| 04-30 07:43 | 20m | +8 / - | UB6YCY | - / +1 | 2 | ✓ Confirmed |
| 04-30 07:37 | 20m | - / -16 | KU1CW | -8 / - | 4 | Partial |
| 04-30 07:13 | 20m | - / -18 | RI0SP | -1 / - | 7 | Partial |
| 04-30 07:00 | 20m | - / -18 | RI0SP | +4 / - | 2 | Partial |
| 04-30 06:52 | 20m | - / -13 | RI0SP | -3 / - | 4 | Partial |
| 04-30 06:49 | 20m | - / -13 | RI0SP | -8 / - | 2 | Partial |
| 04-30 06:12 | 20m | - / -23 | RI0SP | +6 / - | 2 | Partial |
| 04-30 06:06 | 20m | - / -16 | RI0SP | +6 / - | 2 | Partial |
| 04-29 16:22 | 40m | -8 / - | EU2ABM | - / -18 | 4 | ✓ Confirmed |
| 04-29 16:22 | 40m | -14 / - | R2DAR | - / -11 | 2 | ✓ Confirmed |
| 04-29 16:18 | 40m | +7 / -13 | YU65AEC | -18 / -19 | 3 | Partial |
| 04-29 15:28 | 20m | 0 / -7 | RG5A | -6 / -12 | 4 | ✓ Complete |
| 04-29 15:19 | 20m | - / -14 | YU7AS | -17 / - | 3 | ✓ Confirmed |
| 04-29 11:27 | 20m | -4 / - | ON1JP | - / -18 | 2 | Partial |
| 04-29 11:21 | 20m | -12 / -12 | RA6FRI | -22 / -7 | 5 | ✓ Complete |
| 04-29 11:17 | 20m | - / - | R0SBM | -10 / - | 2 | ✓ Confirmed |
| 04-29 10:37 | 20m | -4 / - | PD2ARI | - / -13 | 4 | ✓ Confirmed |
| 04-29 05:48 | 20m | - / -14 | N3YPL | -10 / - | 2 | Partial |
| 04-29 05:33 | 20m | - / -21 | NQ1C | -3 / - | 8 | Partial |
| 04-29 05:31 | 20m | -14 / -11 | N8HRZ | +4 / - | 5 | ✓ Verified |
| 04-29 05:26 | 20m | - / -12 | N8HRZ | +5 / - | 3 | Partial |
| 04-28 20:17 | 80m | -8 / -4 | R2SCS | -19 / -6 | 4 | ✓ Complete |
| 04-28 20:12 | 80m | +2 / -3 | R2BNC | -22 / -1 | 3 | ✓ Complete |
| 04-28 20:09 | 80m | -11 / -6 | UA3QQG | -14 / -6 | 4 | ✓ Complete |
| 04-28 20:05 | 40m | -4 / - | RC6BB | - / -2 | 2 | ✓ Confirmed |
| 04-28 17:44 | 40m | +3 / -2 | RA3FD | -21 / - | 3 | ✓ Verified |
| 04-28 16:11 | 20m | -8 / - | IU8STX | - / -5 | 3 | Partial |
| 04-28 16:02 | 20m | -3 / - | IU8STX | - / - | 5 | Partial |
| 04-28 15:51 | 20m | -2 / - | RU6FS | - / -3 | 2 | ✓ Confirmed |
| 04-28 14:32 | 20m | +4 / - | RX6CC | -13 / -4 | 3 | ✓ Verified |
| 04-28 14:29 | 20m | - / -15 | VA7ZDX | -5 / - | 2 | Partial |
| 04-28 14:26 | 20m | - / -13 | VA7ZDX | -2 / - | 2 | Partial |
| 04-28 13:42 | 20m | - / -7 | RY6O | +3 / - | 2 | Partial |
| 04-28 13:21 | 20m | - / -18 | VE7SZ | +6 / - | 2 | Partial |
| 04-28 12:54 | 20m | +7 / -17 | PE9JAN | -2 / -16 | 5 | ✓ Complete |
| 04-28 12:54 | 20m | +10 / - | RK6MC | -6 / - | 3 | Partial |
| 04-28 12:53 | 20m | +4 / -10 | RA6FUN | -2 / -7 | 4 | ✓ Complete |
| 04-28 12:52 | 20m | - / -15 | UK8FCM | -6 / - | 2 | ✓ Confirmed |
| 04-28 12:01 | 20m | -6 / - | R0AGW | - / -5 | 3 | ✓ Confirmed |
| 04-28 11:11 | 20m | -14 / - | PI4TX | - / -9 | 2 | Partial |
Station Log
80m
UTC dB Freq Message 174030 -1 1491 UA4SJB R6ZCE KN98 (x2) 174115 -18 2003 R6ZCE UA4SJB RR73 (x2) 174315 -21 2003 RC9WC UA4SJB 73 174545 -8 2052 UA4SJB EU7DD R-10 (x2) 174715 -15 2253 R6OD UA4SJB -05 174730 +4 2460 UA4SJB R6OD R-05 174745 -14 2253 R6OD UA4SJB RR73 174800 +8 2460 UA4SJB R6OD 73 174900 -3 1178 UA4SJB RA4CFX R-01 174915 -15 2253 RA4CFX UA4SJB RR73 174930 -2 1178 UA4SJB RA4CFX 73 183045 -11 2380 UA4SJB RA3ZDU R-07
40m
UTC dB Freq Message 162215 -14 1429 UA4SJB R2DAR R-11 (x2) 162245 -6 2120 UA4SJB EU2ABM KO43 (x4) 162630 -16 2117 UA4SJB R6ZAJ 73 184645 -16 1136 UA6XHN UA4SJB -07 143745 -18 1803 UA4SJB RX3DQL 73 145415 -24 1524 UA4SJB RW3SB LO04 150330 +5 899 UA4SJB EW2AAA R-17 (x3) 155900 +0 2520 UA4SJB RQ7O R-08 172830 -18 2438 UB1OCF/P UA4SJB -13
20m
UTC dB Freq Message 074900 -11 1071 CQ UA4SJB LO36 074915 +1 363 UA4SJB IK4LZH JN54 074930 -16 1071 IK4LZH UA4SJB -15 074945 +4 363 UA4SJB IK4LZH R-04 075100 -14 1071 CQ UA4SJB LO36 (x2) 075545 -4 1064 R2FDS UA4SJB -14 (x4) 080245 -7 2217 E75W UA4SJB R-20 (x3) 080600 -23 1816 UA4SJB MI7XHT IO64 (x2)