R4SF — FT8 station from European Russia

European Russia Grid: ?

Amateur radio station R4SF operating from European Russia. 272 FT8 spots received at SO8OO WebSDR, 13 CQ calls, active on 40m, 20m, over 16 days, best SNR +22 dB. Heard between 2026-04-21 and 2026-06-11.

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Overview

272
Total spots
13
CQ calls
16
Days active
-3 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-21
Last seen: 2026-06-11 10:22 UTC

Frequent QSO partners observed at SO8OO

Stations R4SF worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandR4SFPartnerPartner SNRMsgs
06-11 12:27 20m - / -1 R7GR -4 / - 2 ✓ Confirmed
06-11 12:25 20m - / -4 RZ9A -6 / - 4 Partial
06-11 12:16 20m -5 / -13 UA9LLE -10 / -5 9 Partial
06-11 12:14 20m - / -9 YB1KXV -1 / - 5 ✓ Confirmed
06-11 12:10 20m -8 / -8 RA4ADF -5 / -12 7 ✓ Complete
06-11 12:07 20m - / -14 <...> 0 / - 2 Partial
06-11 12:02 20m 0 / - UA3DLP - / -5 6 Partial
06-11 12:00 20m -14 / - TA2ED - / - 2 ✓ Confirmed
06-11 11:57 20m - / -9 R2BRD +3 / - 2 Partial
06-11 11:55 20m +7 / - F1PBZ -4 / -5 5 ✓ Verified
06-11 11:54 20m +5 / - IU0VOX - / - 3 Partial
06-11 11:51 20m -10 / - F1POK - / -6 2 Partial
06-11 11:48 20m +4 / - R6UBM - / -7 3 ✓ Confirmed
06-11 11:38 20m - / -12 UA9YTP -5 / - 2 Partial
06-11 11:35 20m - / -16 <...> -2 / - 2 Partial
06-11 11:34 20m -10 / -14 IQ6PE -9 / -13 7 ✓ Complete
06-11 11:30 20m -4 / - RD6OB - / -13 4 ✓ Confirmed
06-11 11:21 20m -6 / - G4EBY/P -4 / +7 2 ✓ Verified
06-11 11:13 20m - / +4 UA6HJT +2 / - 3 Partial
06-11 11:03 20m 0 / - SK0TM - / +4 2 Partial
06-11 10:56 20m - / -15 <...> -2 / - 2 Partial
06-11 10:51 20m +6 / - <...> - / +3 2 Partial
06-11 06:56 20m -6 / - R3EE - / -16 2 ✓ Confirmed
06-11 06:52 20m - / -10 DG7CF -19 / - 4 Partial
06-10 11:28 20m -10 / -10 CS8ABF +6 / +3 4 Partial
06-10 11:20 20m +6 / - UA9CK +3 / +4 3 ✓ Verified
06-10 11:16 20m - / -7 R6UBD +1 / - 7 Partial
06-10 11:11 20m -8 / -11 UE7DR 0 / -15 4 Partial
06-10 11:09 20m - / - CS8ABF -6 / - 2 Partial
06-10 11:07 20m - / -10 EI9KF -1 / - 3 ✓ Confirmed
06-10 11:06 20m - / -16 F4LHZ -8 / - 3 ✓ Confirmed
06-10 11:02 20m -4 / -11 9A1CCB -10 / -10 4 ✓ Complete
06-10 10:58 20m - / +10 <...> -3 / - 5 Partial
06-10 10:53 20m +2 / -6 UE6DR +1 / - 10 ✓ Complete
06-10 10:52 20m - / - R2EN -6 / - 2 Partial
06-10 10:49 20m -9 / -15 UE6RU +1 / -6 3 Partial
06-10 10:47 20m - / - R2EN -6 / - 2 Partial
06-10 10:41 20m +1 / -13 IW4BYK -8 / -5 4 ✓ Complete
06-10 10:41 20m - / -8 RA0FF -6 / - 2 Partial
06-10 06:22 20m - / +5 R3BV -6 / - 2 ✓ Confirmed
06-10 06:21 20m -6 / -13 F1TXI -2 / - 5 Partial
06-10 06:17 20m - / -13 R9HEP -10 / - 4 Partial
06-10 06:13 20m - / -13 W5AJ -11 / - 4 Partial
06-10 06:09 20m +12 / -12 UE7RU -13 / -9 5 ✓ Complete
06-10 06:02 20m - / -14 TI5RR -1 / - 4 Partial
06-10 05:59 20m - / -17 YM1KE -4 / - 2 Partial
06-03 12:58 20m -11 / -12 IK4RSR -13 / - 2 ✓ Verified
06-03 12:47 20m +1 / -10 R7OI -14 / -5 8 ✓ Complete
06-03 10:58 20m -18 / - RW9CC - / - 2 Partial
06-02 12:38 20m - / -13 IK4TVP -9 / - 3 Partial

Station Log

20m 
UTC    dB  Freq  Message
121745  -7 2458  R4SF UA9LLE MO27
121830  -4 1757  YB1KXV R4SF R-09 (x2)
121930  -7 1757  UA9LLE R4SF -13
122045  +0 2457  R4SF UA9LLE R-05 (x2)
122130 -13 1757  UA9LLE R4SF -13
122145  -3 2457  R4SF UA9LLE R-05 (x2)
122545  -8 1757  RZ9A R4SF LO36 (x4)
122745  -6 1756  R7GR R4SF -01 (x2)
40m 
UTC    dB  Freq  Message
063030 -10 2623  R4SF RK2Z R-18 (x2)
055815 -17 1734  R4SF EU1FQ KO33 (x3)
050600  -5  794  R4SF <...> -18
050730 -17 2067  R4SF RP81OZR R-01
121700  +4 1518  R4SF <...> R-09 (x2)
051945 -10 1584  R4SF SN1A -18
052200  -6 1062  R4SF <...> R-02
045230 -14  738  R4SF RM5F KO85
045545  -1  756  R4SF RL2Y -07 (x3)

SNR History by Band