R4AC — FT8 station from European Russia

European Russia Grid: LN28

Amateur radio station R4AC operating from European Russia (grid square LN28). 1,219 FT8 spots received at SO8OO WebSDR, 763 CQ calls, active on 40m, 20m, 10m, over 18 days, best SNR +21 dB. Heard between 2026-04-29 and 2026-07-26.

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

Overview

1,219
Total spots
763
CQ calls
18
Days active
-3 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-29
Last seen: 2026-07-26 06:03 UTC

Frequent QSO partners observed at SO8OO

Stations R4AC worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandR4ACPartnerPartner SNRMsgs
07-26 08:00 20m - / -13 R8CKD -8 / - 2 ✓ Confirmed
07-26 07:55 20m -16 / -20 PD9JPV -4 / - 4 Partial
07-26 07:54 20m +8 / +10 S59A -3 / - 4 ✓ Complete
07-26 07:52 20m - / -14 G1MPC -2 / - 2 ✓ Confirmed
07-26 07:50 20m -14 / -16 PD3LKN -2 / -17 4 ✓ Complete
07-26 07:48 20m - / -3 SP9DAT -16 / - 2 ✓ Confirmed
07-26 07:48 20m +4 / - IK4LZH -11 / +9 6 ✓ Complete
07-26 07:40 20m - / -4 9A4DK -4 / - 2 ✓ Confirmed
07-26 07:38 20m -10 / -5 EA5AR -10 / - 9 ✓ Verified
07-26 07:32 20m - / -16 RV9UAF -12 / - 2 ✓ Confirmed
07-25 16:42 20m - / -8 BH4GWF -8 / - 2 ✓ Confirmed
07-25 16:33 20m -8 / -3 DL2SEW -14 / +1 5 ✓ Complete
07-25 16:30 20m -12 / -12 DB5ABS/P -17 / +8 6 ✓ Complete
07-25 16:06 20m - / +6 F4HSB -6 / - 2 ✓ Confirmed
07-25 16:02 20m -11 / -13 IK4LZH -14 / - 2 Partial
07-25 15:58 20m - / -13 BD8FOD -11 / - 2 ✓ Confirmed
07-25 15:54 20m - / -9 BH4GWF +4 / - 2 Partial
07-25 15:51 20m -6 / - DL1R - / - 4 Partial
07-25 15:50 20m - / -9 BH4GWF -9 / - 3 Partial
07-25 15:46 20m - / -1 RD0L -16 / - 2 ✓ Confirmed
07-25 15:39 20m - / -18 EA3GXK -18 / - 4 Partial
07-25 15:35 20m - / -13 YC1RQZ -9 / - 2 Partial
06-14 11:02 10m - / -1 LZ2CP -19 / - 2 Partial
06-14 10:24 20m -2 / - YO4GGA - / +5 2 ✓ Confirmed
06-14 09:37 20m -12 / -9 DH8WC -13 / +6 3 ✓ Complete
06-14 09:36 20m -11 / -21 ON5WU -14 / -6 5 ✓ Complete
06-14 09:32 20m -10 / - ON1PK - / - 2 Partial
06-14 09:28 20m +5 / -5 IZ8IFL -11 / +1 5 ✓ Complete
06-14 08:51 20m - / -18 PD1WAT -4 / - 2 ✓ Confirmed
06-14 08:47 20m -7 / -17 EA1KP -6 / -3 6 ✓ Complete
06-14 08:31 20m -10 / -13 <...> 0 / -6 4 Partial
06-14 08:26 20m - / - M7TUP -4 / - 2 ✓ Confirmed
06-14 08:19 20m - / - <...> 0 / - 6 Partial
06-14 07:48 20m +13 / - DL3KZA - / -13 3 ✓ Confirmed
06-14 07:43 20m -10 / - R3DNG - / -8 3 Partial
06-14 07:41 20m -17 / -17 PA2JST -7 / - 2 Partial
06-14 07:31 20m +1 / -2 <...> -2 / -9 2 Partial
06-14 06:46 20m -12 / - R4FDW - / -12 3 Partial
06-14 06:44 20m +8 / - DF8RU +4 / -11 6 ✓ Verified
06-13 18:20 20m -10 / - R4HFK - / - 2 Partial
06-13 18:18 20m -14 / -15 R6LNH -12 / - 2 ✓ Verified
06-13 17:37 20m -23 / - PD1ADA - / - 3 Partial
06-13 17:34 20m -7 / - RA4Y - / - 2 Partial
06-12 11:00 10m - / -14 EA2BKH -12 / - 2 ✓ Confirmed
06-12 10:30 10m - / -20 TN8GD -18 / - 4 ✓ Confirmed
06-12 10:02 20m - / -16 <...> +8 / - 2 Partial
06-12 09:54 20m -8 / - R3BCK - / - 2 Partial
06-12 09:54 20m - / -19 TA2WSE +12 / - 2 ✓ Confirmed
06-12 09:49 20m - / -11 PD0JEW +12 / - 2 ✓ Confirmed
06-12 09:46 20m -4 / - RA4ADF +9 / +6 4 ✓ Verified

Station Log

20m 
UTC    dB  Freq  Message
075545  -2  867  PD9JPV R4AC -20 (x3)
075715 -15 2341  CQ R4AC LN28 (x5)
080045 -14 2341  R8CKD R4AC -13 (x2)
080145 -11 2340  CQ R4AC LN28                          a1 (x5)
10m 
UTC    dB  Freq  Message
110215 -12 1487  CQ R4AC LN28 (x12)
105915 -20 2131  EA5KB R4AC LN28
110230 -20 2131  LZ2CP R4AC LN28 (x2)
40m 
UTC    dB  Freq  Message
171615  -6 2839  R4AC SM7RHI JO75
171630  -1  887  CQ R4AC LN29
171645  -2 2839  R4AC SM7RHI JO75
171700  +8  887  CQ R4AC LN29 (x2)
171800 +11  887  UB5MCS R4AC -21
171815  -6 1638  R4AC IK4LZH JN54
171830  +7  887  UB5MCS R4AC RR73
171845  -3 1638  R4AC IK4LZH JN54
171900 +11  887  CQ R4AC LN29                          a1
171915  -5 1638  R4AC IK4LZH JN54
171930 +12  887  IK4LZH R4AC -17
171945  -7 1638  R4AC IK4LZH R-05
172030 +11  887  IK4LZH R4AC 73
172130  +9  887  CQ R4AC LN29

SNR History by Band