R3BCK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO85

Receiver-side FT8 activity involving R3BCK, decoded by SO8OO in southeastern Poland. 2,109 related FT8 messages, 847 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 28 UTC dates. Heard between 2026-05-29 and 2026-08-23.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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

Overview

2,109
Related messages
847
CQ messages
28
UTC dates heard
-4 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-29
Last seen: 2026-08-23 01:05 UTC

Frequent QSO partners observed at SO8OO

Stations R3BCK worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R3BCK

Approximate centre of KO85, decoded 2026-08-23 03:05 UTC. A transmitted locator is not proof of the operator's permanent location.

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Time UTCBandR3BCK S/NCounterpartCounterpart S/NMsgsCapture
08-23 02:57 40m 0 / - EW2ZC - / - 11 Partial capture
08-23 02:55 40m +5 / - EI2IXB - / - 3 Partial capture
08-23 02:53 40m +3 / - UR6HE - / - 3 Partial capture
08-23 02:51 40m +6 / - F4CTJ - / - 3 Partial capture
08-23 02:47 40m +5 / - EW2ZC - / - 6 Partial capture
08-23 02:43 40m 0 / - SP1ZMO - / - 6 Partial capture
08-23 02:42 40m -3 / - EW2ZC - / - 2 Partial capture
08-23 02:39 40m -2 / -9 MM0KQC -20 / -10 10 ✓ Full exchange observed
08-23 02:36 40m +4 / 0 LZ2CC -8 / -5 10 ✓ Full exchange observed
08-22 02:30 20m -2 / - CT3MD - / - 32 Partial capture
08-22 02:24 20m 0 / - <...> - / - 8 Partial capture
08-22 02:20 20m -4 / - CT3MD - / - 4 Partial capture
08-22 02:15 20m -5 / - EX7CQ - / - 5 Partial capture
08-22 02:13 20m -2 / - CT3MD - / - 3 Partial capture
08-22 02:11 20m -6 / - EX7CQ - / - 2 Partial capture
08-22 02:09 20m -2 / - XQ1KK - / - 2 Partial capture
08-22 01:58 20m -7 / - XQ1KK - / - 3 Partial capture
08-21 23:34 20m -4 / - CE2SQE - / - 2 Partial capture
08-21 23:20 20m -6 / - CE2SQE - / - 2 Partial capture
08-21 23:04 20m -10 / - SP6JUD - / - 2 Partial capture
08-21 22:57 20m -4 / - CE2SQE - / - 6 Partial capture
08-21 22:55 20m -6 / - R6LMH - / - 3 Partial capture
08-21 22:44 20m -2 / - CE2SQE - / - 6 Partial capture
08-21 22:40 20m 0 / - UT2PC - / - 2 Partial capture
08-21 22:36 20m -4 / - CE2SQE - / - 4 Partial capture
08-21 22:30 20m -1 / - UT2PC - / - 6 Partial capture
08-21 22:28 20m -2 / - SP6JUD - / - 3 Partial capture
08-21 22:26 20m -5 / - RY6O - / - 3 Partial capture
08-21 22:23 20m -7 / - UT2PC - / - 4 Partial capture
08-21 22:20 20m -2 / - EA5ITW - / - 2 Partial capture
08-21 22:05 20m -2 / - EW2ZC - / - 2 Partial capture
08-21 22:00 20m -5 / - YL3KZ - / - 2 Partial capture
08-21 21:48 20m -6 / - YL3KZ - / - 2 Partial capture
08-21 21:35 20m -5 / - EW2ZC - / - 8 Partial capture
08-21 21:32 20m -4 / -13 KC1UBT +9 / -14 14 ✓ Full exchange observed
08-21 21:27 20m -3 / - EW2ZC - / - 3 Partial capture
08-21 21:25 20m -7 / - F5SFT - / - 2 Partial capture
08-21 21:19 20m -6 / - IZ8IQL - / - 3 Partial capture
08-21 21:17 20m -6 / - F5SFT - / - 3 Partial capture
08-21 21:11 20m -3 / - EW2ZC - / - 3 Partial capture
08-21 21:05 20m +2 / - EW2ZC - / - 2 Partial capture
08-21 20:57 20m -2 / - EW2ZC - / - 8 Partial capture
08-21 20:54 20m +1 / - SP5JP - / -14 5 Partial capture
08-21 20:52 20m +4 / - EW2ZC - / - 2 Partial capture
08-21 20:38 20m -7 / - EW2ZC - / - 3 Partial capture
08-21 19:25 40m -2 / +4 UB9MEU -11 / - 3 Partial capture
08-21 19:23 40m -6 / -11 PD0RDD -8 / - 10 Partial capture
08-21 19:19 40m -2 / - UA1CAS - / -10 3 Partial capture
08-21 19:17 40m -1 / -12 PD0RDD -2 / - 4 Partial capture
08-21 19:14 40m -6 / - R3KMI - / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

40m 
UTC    dB Audio  Message
025815  +5 2860  EW2ZC R3BCK KO85 (x2)
025915  -1 2860  CQ R3BCK KO85
025945  +0 2860  EW2ZC R3BCK KO85 (x2)
030115  +1 2860  CQ R3BCK KO85
030145  -2 2860  EW2ZC R3BCK KO85 (x3)
030315  -3 2860  CQ R3BCK KO85
030345  -1 2860  EW2ZC R3BCK KO85 (x3)
030515  -3 2860  CQ R3BCK KO85 (x2)
20m 
UTC    dB Audio  Message
024515  -6 2977  CT3MD R3BCK KO85
024545  -2 2977  CQ R3BCK KO85
024615  -3 2977  CT3MD R3BCK KO85 (x2)
024745  -7 2977  CQ R3BCK KO85
024815  -6 2977  CT3MD R3BCK KO85
024945  +0 2977  CQ R3BCK KO85
025015  -7 2976  CT3MD R3BCK KO85 (x6)
031015  -6 2977  CQ R3BCK KO85
031045  -6 2976  CT3MD R3BCK KO85
60m 
UTC    dB Audio  Message
214230  +0 1832  R3BCK LY8O -05 (x2)
214315  +6 2933  LY8O R3BCK R-06
214330  -5  658  R3BCK S56FPW JN76
214330  -1 1832  R3BCK LY8O RR73
214345  +1 2933  LY8O R3BCK R-04
214400  -7  658  R3BCK S56FPW JN76
214400  -4 1832  R3BCK LY8O RR73
214415  +0 2933  LY8O R3BCK 73 (x2)
214515  +2 2933  CQ R3BCK KO85
214530 -13  781  R3BCK G1UAF JO02
214600 -10 1043  R3BCK S56FPW JN76 (x2)
214700 -14  781  R3BCK G1UAF JO02
80m 
UTC    dB Audio  Message
213345 +11 2095  R3BCK OZ6P -17
213400  -5 2903  OZ6P R3BCK R-11
213415  +5 2095  R3BCK OZ6P RR73
213430  -2 2903  OZ6P R3BCK R-13
213445  +9 2095  R3BCK OZ6P RR73
213500  -5 2903  OZ6P R3BCK 73 (x2)
213600  -3 2903  CQ R3BCK KO85 (x8)
10m 
UTC    dB Audio  Message
193045  +5 2616  R3BCK IK1RQX JN44 (x7)
193545  +5 2991  R3BCK M0BEW -12 (x6)
195615 -20 2024  R3BCK UB6OCP RR73
090415  -5 2983  R3BCK OZ5AGJ JO47

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.