UA4SJB — FT8 station from European Russia
Amateur radio station UA4SJB operating from European Russia. 699 FT8 spots received at SO8OO WebSDR, 86 CQ calls, active on 160m, 80m, 40m, 20m, 10m, over 55 days, best SNR +25 dB. Heard between 2026-04-26 and 2026-07-25.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
699
Total spots
86
CQ calls
55
Days active
-6 dB
Avg SNR
Bands
80m
20m
40m
10m
160m
First seen: 2026-04-26
Last seen: 2026-07-25 17:06 UTC
Last seen: 2026-07-25 17:06 UTC
Frequent QSO partners observed at SO8OO
Stations UA4SJB worked most often, as logged from our receiver:
RI0SP
· European Russia ×8
RV3X
· European Russia ×2
UI5A
· European Russia ×2
UE7DR
· European Russia ×2
R6ZAJ
· European Russia ×2
RA3VX
· European Russia ×2
RC6OD
· European Russia ×2
R8LCP
· Asiatic Russia ×2
R6OD
· European Russia ×2
RC6OZ
· European Russia ×2
S59A
· Slovenia ×2
R2SN
· European Russia ×2
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | UA4SJB | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-25 19:05 | 80m | -2 / -11 | R6DZE | -11 / -19 | 2 | Partial |
| 07-25 19:03 | 80m | -15 / - | UA4NCX | -21 / -10 | 3 | ✓ Verified |
| 07-25 19:02 | 80m | -12 / - | R5DC | -19 / -18 | 3 | ✓ Verified |
| 07-25 19:01 | 80m | -2 / - | RA3ZOM | -18 / -18 | 3 | ✓ Verified |
| 07-25 18:49 | 40m | -10 / - | RA3ZOM | - / -4 | 2 | Partial |
| 07-24 21:01 | 40m | -6 / - | R1BKC | - / -11 | 2 | ✓ Confirmed |
| 07-24 20:51 | 80m | -2 / - | RQ6K | - / -15 | 3 | ✓ Confirmed |
| 07-24 20:45 | 80m | - / -16 | RN7A | -18 / - | 3 | ✓ Confirmed |
| 07-24 20:42 | 80m | 0 / - | RT7B | - / -17 | 2 | ✓ Confirmed |
| 07-24 20:40 | 80m | - / -5 | R6ZEJ | -19 / - | 2 | ✓ Confirmed |
| 07-24 20:03 | 160m | -8 / - | R6ML | - / - | 4 | Partial |
| 07-24 20:02 | 160m | -6 / - | RK3QA | - / -12 | 3 | ✓ Confirmed |
| 07-24 19:57 | 80m | -1 / - | RW6MD | - / -14 | 3 | ✓ Confirmed |
| 07-24 19:53 | 80m | -19 / -19 | R6ODC | -22 / -10 | 4 | ✓ Complete |
| 07-24 19:51 | 80m | - / -15 | R6YG | -24 / - | 2 | Partial |
| 07-24 19:35 | 160m | -8 / - | R6ML | - / - | 6 | Partial |
| 07-24 19:35 | 160m | 0 / - | UA3ZNQ | - / -12 | 5 | ✓ Confirmed |
| 07-24 19:34 | 160m | -4 / - | RU3T | - / -4 | 2 | Partial |
| 07-24 19:27 | 80m | - / -12 | UA3GT | -21 / - | 2 | Partial |
| 07-24 19:19 | 80m | 0 / - | YO4GIY | - / -22 | 3 | ✓ Confirmed |
| 07-24 19:19 | 80m | +1 / - | R7CD | - / -5 | 3 | ✓ Confirmed |
| 07-24 19:16 | 80m | -12 / -3 | UG4P | -24 / -5 | 4 | ✓ Complete |
| 07-24 19:16 | 80m | +11 / - | S59A | -24 / -7 | 3 | ✓ Verified |
| 07-24 19:14 | 80m | -10 / +1 | RG2T | -24 / +3 | 4 | ✓ Complete |
| 07-24 19:12 | 40m | -10 / - | RA1N | - / -16 | 2 | ✓ Confirmed |
| 07-24 18:51 | 40m | -12 / - | R6OIZ | - / -3 | 2 | ✓ Confirmed |
| 07-24 18:41 | 40m | -3 / - | E70SZ | - / - | 3 | Partial |
| 07-24 18:35 | 40m | -6 / - | SM7JKW | - / -19 | 4 | ✓ Confirmed |
| 07-24 18:32 | 40m | -10 / - | RD6ZQ | - / -3 | 2 | ✓ Confirmed |
| 07-24 18:29 | 40m | -9 / - | RA3VX | - / -7 | 2 | ✓ Confirmed |
| 07-24 17:43 | 40m | -9 / - | R70OBN | - / +3 | 2 | ✓ Confirmed |
| 07-18 20:01 | 80m | +2 / - | RG3M | - / +6 | 2 | ✓ Confirmed |
| 07-17 19:17 | 80m | -4 / -5 | R1NIM | -16 / -12 | 3 | ✓ Complete |
| 07-17 19:14 | 80m | - / -6 | R1NIM | -8 / - | 2 | Partial |
| 07-17 19:04 | 80m | +2 / - | SP9JMZ | - / - | 4 | Partial |
| 07-17 19:04 | 80m | 0 / - | R6NA | -5 / -16 | 3 | ✓ Verified |
| 07-17 19:03 | 80m | -9 / -19 | RN3DDW/P | -7 / -3 | 3 | ✓ Complete |
| 07-17 10:46 | 20m | -14 / - | RN3DDW/P | - / - | 2 | ✓ Confirmed |
| 07-17 07:59 | 20m | 0 / - | IK4LZH | - / - | 3 | Partial |
| 07-17 07:57 | 20m | -22 / - | PD2WL | - / - | 2 | Partial |
| 07-16 18:45 | 160m | -5 / - | RA3BY | - / +1 | 3 | ✓ Confirmed |
| 07-16 18:44 | 160m | -7 / - | RA7T | - / -10 | 5 | Partial |
| 07-16 18:38 | 80m | +6 / - | RG7O | - / -8 | 3 | ✓ Confirmed |
| 07-16 18:33 | 80m | -6 / - | R4HLM | - / -2 | 2 | ✓ Confirmed |
| 07-16 08:29 | 20m | - / -9 | R4AE | -12 / - | 2 | ✓ Confirmed |
| 07-16 08:26 | 20m | - / -17 | <...> | -14 / - | 2 | Partial |
| 07-16 08:15 | 20m | -17 / - | PD2WL | - / - | 4 | Partial |
| 07-16 08:14 | 20m | - / -11 | UA9ZZ | -12 / - | 2 | ✓ Confirmed |
| 07-15 20:15 | 80m | +4 / - | RV3X | -18 / -7 | 3 | ✓ Verified |
| 07-15 20:07 | 80m | - / -15 | RA3THN | -19 / - | 2 | Partial |
Station Log
80m
UTC dB Freq Message 205130 -5 1495 UA4SJB RQ6K R-15 (x3) 205330 -7 2352 EU4U UA4SJB -18 190130 -3 1546 UA4SJB RA3ZOM R-18 190145 -18 2053 RA3ZOM UA4SJB RR73 190200 -2 1546 UA4SJB RA3ZOM 73 190230 -13 1216 UA4SJB R5DC R-18 190245 -19 2053 R5DC UA4SJB RR73 190300 -10 1216 UA4SJB R5DC RR73 190330 -17 1890 UA4SJB UA4NCX R-10 190345 -21 2053 UA4NCX UA4SJB RR73 190400 -13 1890 UA4SJB UA4NCX 73 190500 -11 2053 R6DZE UA4SJB -11 190645 -2 1404 UA4SJB R6DZE R-19
40m
UTC dB Freq Message 183645 -5 729 UA4SJB SM7JKW R-19 (x2) 183915 +0 729 UA4SJB R2SN RR73 184115 -3 729 UA4SJB E70SZ JN84 (x3) 185100 -14 2133 UA4SJB R6OIZ R-03 (x2) 185630 -17 1723 UA4SJB EW8AAC R-09 191200 -8 2436 UA4SJB RA1N R-16 (x2) 210130 -6 1033 UA4SJB R1BKC R-11 (x2) 184900 -12 1593 UA4SJB RA3ZOM KO90 (x2)
20m
UTC dB Freq Message 082645 -12 2267 <...> UA4SJB -17 (x2) 082945 -11 2266 R4AE UA4SJB -09 (x2) 074530 -15 926 UA4SJB R2GFD 73 075715 -22 1327 UA4SJB PD2WL JO22 (x2) 075915 -1 762 UA4SJB IK4LZH JN54 (x3) 080615 -18 919 UB8CME UA4SJB -05 081800 -19 1306 UA4SJB RV6HTZ 73 104600 -13 2524 UA4SJB RN3DDW/P R+00 (x2) 052115 -18 2463 CQ UA4SJB LO36
160m
UTC dB Freq Message 193645 +3 527 UA4SJB UA3ZNQ KO81 193645 -5 2083 UA4SJB R6ML LN17 193715 +0 527 UA4SJB UA3ZNQ R-12 (x2) 193745 -7 1997 UA4SJB R6ML LN17 (x4) 200200 -5 1496 UA4SJB RK3QA LO02 (x2) 200300 -10 2110 UA4SJB R6ML LN17 200300 -5 1496 UA4SJB RK3QA 73 200330 -9 2111 UA4SJB R6ML LN17 (x3)
10m
UTC dB Freq Message 092545 +0 894 UA4SJB RD7LO R-14 (x2) 093345 +8 2226 UA4SJB RX6AOB R-04 (x2) 094130 -7 2617 UA4SJB RL6LP R+03 (x2) 061330 -16 2363 UA4SJB RC7C R-08 080100 -1 2145 UA4SJB R6OE 73 085045 -11 2364 UA4SJB RX7T R-19 (x2) 085445 -12 2215 UA4SJB R6FMK LN05 (x2) 091745 -22 1566 UA4SJB R6TX R+00 092830 -13 1350 UA4SJB R6YG R-08 (x2)