UB3ZKO — FT8 station from European Russia

European Russia Grid: JO31

Amateur radio station UB3ZKO operating from European Russia (grid square JO31). 312 FT8 spots received at SO8OO WebSDR, 57 CQ calls, active on 40m, 20m, over 6 days, best SNR +22 dB. Heard between 2026-05-01 and 2026-05-21.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

312
Total spots
57
CQ calls
6
Days active
-6 dB
Avg SNR

Bands

20m 40m
First seen: 2026-05-01
Last seen: 2026-05-21 14:04 UTC

Frequent QSO partners observed at SO8OO

Stations UB3ZKO worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandUB3ZKOPartnerPartner SNRMsgs
05-21 16:03 40m -9 / - DF0KK - / - 3 Partial
05-21 15:57 40m -17 / -5 R7YZ -16 / +2 6 ✓ Complete
05-21 15:57 40m -16 / -6 R4CCE -14 / -7 5 ✓ Complete
05-21 15:56 40m -10 / - IZ4OUL - / - 2 Partial
05-21 15:26 20m -10 / - UB8CPH - / -18 2 Partial
05-21 14:56 40m -18 / - R3MBV - / -3 4 ✓ Confirmed
05-21 14:41 40m - / -6 RD3AD -19 / - 2 ✓ Confirmed
05-13 17:46 40m -2 / - RQ3P - / -17 2 Partial
05-13 17:42 40m +4 / - PE1NPS - / - 2 Partial
05-13 17:39 40m +3 / - F4BYA - / - 11 Partial
05-13 17:37 40m +2 / -6 R3LCG -9 / -9 3 ✓ Complete
05-13 17:33 40m -20 / - SV1EAG -10 / -8 3 Partial
05-13 17:29 40m -18 / - SV1TMQ - / -2 3 ✓ Confirmed
05-13 17:03 40m - / - RV9WJP -9 / - 3 Partial
05-13 16:59 40m -4 / - RW6C -11 / - 3 ✓ Verified
05-13 16:53 40m +2 / - SP9RHN - / +3 2 ✓ Confirmed
05-13 16:45 40m +2 / - R2WAF - / -14 2 ✓ Confirmed
05-13 16:44 40m -14 / - DH3KR - / - 4 Partial
05-13 16:41 40m -8 / - UB6OAJ -10 / -1 5 ✓ Verified
05-13 16:38 40m -4 / - OH2ZZ -10 / - 4 ✓ Verified
05-13 16:36 40m - / -7 R4DL -9 / - 3 Partial
05-13 16:34 40m - / - RX6DA -8 / - 2 ✓ Confirmed
05-13 16:30 40m -5 / - SM1NFH - / +2 3 ✓ Confirmed
05-13 16:28 40m - / -9 UB4FGK -15 / - 3 ✓ Confirmed
05-13 16:26 40m -8 / -12 RU5X -8 / -7 5 ✓ Complete
05-13 16:26 40m +6 / -15 S50XX -13 / -18 16 Partial
05-13 16:22 40m - / - UK8OM -14 / - 2 Partial
05-07 18:21 40m -14 / - <...> -13 / - 6 Partial
05-07 18:17 40m +18 / - SN120OSP - / +2 2 Partial
05-07 18:15 40m - / -7 SV1ENG -12 / - 4 ✓ Confirmed
05-07 18:14 40m +2 / - IQ4JO - / -13 2 ✓ Confirmed
05-07 18:09 40m +8 / - RR73; - / - 2 Partial
05-07 18:06 40m +7 / -8 SV1ENG -13 / - 10 ✓ Complete
05-07 18:04 40m -7 / - EA5RD - / - 3 Partial
05-07 18:01 40m - / -9 RA5BC -18 / - 4 ✓ Confirmed
05-07 17:58 40m - / - <...> -18 / - 4 Partial
05-07 16:35 40m -8 / -10 RK1B -17 / -9 3 Partial
05-07 16:33 40m -12 / - R2DR -17 / -11 2 ✓ Verified
05-07 16:31 40m - / -13 R4FDK -18 / - 2 Partial
05-07 16:27 40m - / - YO7CFD -19 / - 2 Partial
05-07 16:26 40m - / -8 RK1B -17 / - 3 Partial
05-07 16:23 40m - / -6 <...> -16 / - 3 Partial
05-07 16:20 40m -2 / - S50XX - / - 2 Partial
05-07 16:20 40m - / -11 RC9WC -19 / - 3 ✓ Confirmed
05-07 16:18 40m -7 / -6 <...> -17 / -11 3 ✓ Confirmed
05-07 16:15 40m - / -9 <...> -20 / - 2 ✓ Confirmed
05-07 16:13 40m - / -7 R2EO -22 / - 2 ✓ Confirmed
05-07 16:10 40m - / -12 RC9WC -16 / - 3 ✓ Confirmed
05-07 16:07 40m -13 / - <...> -22 / -5 5 Partial
05-07 16:03 40m - / -11 R9FDM -16 / - 2 ✓ Confirmed

Station Log

40m 
UTC    dB  Freq  Message
155700 -12 1831  UB3ZKO IZ4OUL JN54
155715 -19 2345  R4CCE UB3ZKO -06
155730 -16 2345  UB3ZKO R4CCE R-07
155730 -18 1328  UB3ZKO R7YZ LN04
155745 -10 2346  R4CCE UB3ZKO RR73
155800 -16 2345  UB3ZKO R4CCE 73
155800 -15 1329  UB3ZKO R7YZ LN04
155815 -19 2346  R7YZ UB3ZKO -05
155830 -19 1329  UB3ZKO R7YZ R+02
155845 -14 2346  R7YZ UB3ZKO RR73
155900 -15 1328  UB3ZKO R7YZ 73
155945 -15 2346  CQ UB3ZKO KO70
160330  -7 1478  UB3ZKO DF0KK JO31 (x3)
20m 
UTC    dB  Freq  Message
112400  +8 1156  UB3ZKO SV1ENG RR73 (x4)
113130  +5  640  UB3ZKO F5OYA/P -18 (x3)
115730 +11 2578  UB3ZKO GJ0KYZ -09 (x2)
115900 -14 2255  UB3ZKO R0AGW -18 (x2)
120900 +11 2897  UB3ZKO GJ0KYZ -15 (x2)
152630 -11  399  UB3ZKO UB8CPH -18 (x2)

SNR History by Band