RK3BM — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving RK3BM, decoded by SO8OO in southeastern Poland. 152 related FT8 messages, 17 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 28 UTC dates. Heard between 2026-05-26 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.

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Overview

152
Related messages
17
CQ messages
28
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-23 18:58 UTC

Activity Heatmap

Locator transmitted by RK3BM

Approximate centre of KO85, decoded 2026-08-23 21:08 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 UTCBandRK3BM S/NCounterpartCounterpart S/NMsgsCapture
08-23 21:07 20m -12 / - WY5I - / - 2 Partial capture
08-23 21:02 20m -5 / - N1SK - / - 2 Partial capture
08-23 20:58 20m -11 / -15 N2LQH -4 / -15 2 Partial capture
08-23 20:53 20m - / -4 DF3VG +9 / - 3 ✓ Closing fragment
08-23 20:51 20m -22 / -4 ON5GQ +11 / -4 3 ✓ Full exchange observed
08-23 20:42 80m -1 / 0 EW8AAC +5 / -9 5 ✓ Full exchange observed
08-23 20:40 80m +8 / - SD9W - / -1 2 Partial capture
08-23 20:38 80m +3 / - DO7FKH -1 / -7 4 ✓ Closing observed
08-16 07:13 10m - / -2 RD7P -9 / - 3 ✓ Closing fragment
08-11 22:52 20m -19 / - NF3R - / - 2 Partial capture
08-08 19:44 20m - / 0 SV2AEL -9 / - 3 ✓ Closing fragment
08-04 21:51 20m -15 / - K3RA - / - 2 Partial capture
08-04 07:01 20m - / -12 F4LNM -15 / - 3 ✓ Closing fragment
08-03 11:53 20m - / -4 DK2CF -10 / - 2 ✓ Closing fragment
08-03 11:47 10m -22 / -2 EA6UE -18 / - 4 ✓ Closing observed
08-03 09:46 20m - / -9 PD7RF -4 / - 2 ✓ Closing fragment
08-01 20:37 10m - / -16 PT7YV -9 / - 2 ✓ Closing fragment
07-30 17:36 40m -17 / -2 RK6MC -14 / -5 4 ✓ Full exchange observed
07-30 17:35 40m -13 / +2 DL0RDG -15 / -9 10 ✓ Full exchange observed
07-30 17:34 80m - / - R7CD 0 / - 5 Partial capture
07-30 17:33 40m -15 / - RA0SCA - / -7 3 ✓ Closing fragment
07-30 17:31 40m -15 / - RJ8C - / -7 3 ✓ Closing fragment
07-30 17:30 40m -8 / - RC6OZ - / -19 2 ✓ Closing fragment
07-30 17:27 40m -2 / -7 S59A +4 / -1 3 ✓ Full exchange observed
07-30 17:26 40m -3 / - UA1RC - / -5 3 ✓ Closing fragment
07-30 17:25 40m -6 / - PA4CC -2 / -1 3 ✓ Closing observed
07-30 16:15 40m - / - RA6YDX -8 / - 3 Partial capture
07-30 15:53 20m - / - IU5TPM -17 / - 3 ✓ Closing fragment
07-29 03:39 20m - / - R6FX -16 / - 2 Partial capture
07-29 03:33 20m - / -16 WA4FU -11 / - 2 ✓ Closing fragment
07-28 20:04 160m -2 / +4 RA1AGX -6 / -1 5 ✓ Full exchange observed
07-28 20:03 160m -10 / - R1NO - / -13 2 ✓ Closing fragment
07-28 19:56 80m 0 / - RA3TOS -24 / -14 3 ✓ Closing observed
07-28 19:55 80m +4 / - R1CCX - / - 2 Partial capture
07-28 19:54 80m +4 / - RA0SCA - / - 2 Partial capture
07-28 19:46 40m -15 / -6 M0MLS -22 / - 2 ✓ Closing observed
07-19 07:29 10m -15 / +4 R7NO -16 / - 2 Partial capture
07-18 19:07 10m - / -8 SV2CLJ -4 / - 2 ✓ Closing fragment
07-17 19:41 10m - / -9 9A2RD +2 / - 3 ✓ Closing fragment
07-13 08:25 10m -14 / - RV9CME - / -13 2 ✓ Closing fragment
06-29 16:18 10m -22 / - LZ1ZF - / -11 2 Partial capture
06-28 19:38 10m - / +9 R6LNH -12 / - 2 ✓ Closing fragment
06-28 07:12 10m - / -16 UB7K +1 / - 2 ✓ Closing fragment
06-21 08:43 10m - / - R7DX -20 / - 2 Partial capture
06-18 06:56 10m -6 / - OM8FR - / -4 3 ✓ Closing fragment
06-18 06:51 10m -15 / - LZ2CP - / -5 3 ✓ Closing fragment
06-16 20:24 20m - / - EA3BIC -10 / - 3 Partial capture
06-14 09:59 10m -22 / - S58N - / - 2 ✓ Closing fragment
06-14 09:52 10m -22 / - SP8BG - / - 2 Partial capture
06-10 09:33 10m -9 / - SP2DW - / -9 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
091230 -15 1064  RK3BM G4RCV +12
225245 -19 2152  NF3R RK3BM KO85 (x2)
205100 +10 2279  RK3BM ON5GQ -04
205115 -22 1291  ON5GQ RK3BM R-04
205130 +12 2279  RK3BM ON5GQ RR73
205330  +9 1957  RK3BM DF3VG JN48 (x3)
205830  -4  371  RK3BM N2LQH -15
205915 -11  370  N2LQH RK3BM R-15
210230  -5 2402  N1SK RK3BM KO85 (x2)
210700 -15 1080  WY5I RK3BM KO85 (x2)
80m
UTC    dB Audio  Message
173445  +0 2165  RK3BM R7CD KN94 (x4)
203815  +3 1150  DO7FKH RK3BM KO85 (x2)
203900  -1 1150  RK3BM DO7FKH RR73
203915  +1 1150  DO7FKH RK3BM 73
204045  +9  910  SD9W RK3BM R-01 (x2)
204215  +1 1696  EW8AAC RK3BM KO85
204230  +3 1696  RK3BM EW8AAC +00
204245  -3 1696  EW8AAC RK3BM R-09
204300  +7 1696  RK3BM EW8AAC RR73
204315  +0 1695  EW8AAC RK3BM 73
10m
UTC    dB Audio  Message
190615 -17 2202  OE3ZIO RK3BM KO85
190700  -5  617  RK3BM SV2CLJ -08 (x2)
072915 -15 1553  R7NO RK3BM KO85
072930 -16 1553  RK3BM R7NO +04
073445  -5  675  DH5BM RK3BM -02
203745  -9 1583  RK3BM PT7YV -16 (x2)
114745 -23 1691  EA6UE RK3BM KO85
114800 -21 1691  RK3BM EA6UE -02 (x2)
114845 -22 1691  EA6UE RK3BM 73
071300 -10 2097  RK3BM RD7P -02 (x3)
40m
UTC    dB Audio  Message
173430 -16 1953  RA0SCA RK3BM 73
173515 -16 1265  RK3BM DL0RDG JO64 (x2)
173600 -15 1265  DL0RDG RK3BM -09
173615 -12 1413  RK3BM RK6MC -02
173630 -13 1265  DL0RDG RK3BM -09
173645 -16 1265  RK3BM DL0RDG R+02
173700 -12 1266  DL0RDG RK3BM RR73
173715 -16 1265  RK3BM DL0RDG R+02
173730 -18 1414  RK6MC RK3BM R-05
173745 -17 1413  RK3BM RK6MC RR73
173745 -17 1265  RK3BM DL0RDG R+02
173800 -16 1414  RK6MC RK3BM 73
173830 -11 1265  DL0RDG RK3BM RR73
173845  -8 1265  RK3BM DL0RDG 73
160m
UTC    dB Audio  Message
200045 -12 1617  CQ RK3BM KO85 (x3)
200330 -11 1287  R1NO RK3BM -13 (x2)
200415  -5  723  RK3BM RA1AGX KO49
200430  +0  723  RA1AGX RK3BM -01
200445  -6  723  RK3BM RA1AGX R+04
200500  -3  723  RA1AGX RK3BM RR73
200515  -6  723  RK3BM RA1AGX 73
200530 -13 1085  CQ RK3BM KO85                         a1 (x2)

Decoder S/N history by band

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