RD3BTW — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving RD3BTW, decoded by SO8OO in southeastern Poland. 715 related FT8 messages, 34 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-05-31 and 2026-08-02.

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

715
Related messages
34
CQ messages
21
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-31
Last seen: 2026-08-02 11:16 UTC

Activity Heatmap

Locator transmitted by RD3BTW

Approximate centre of KO85, decoded 2026-07-04 22:59 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 UTCBandRD3BTW S/NCounterpartCounterpart S/NMsgsCapture
08-02 12:58 20m - / - F5OYA/P -10 / - 3 Partial capture
07-04 22:48 80m -6 / +1 OH5WWA +4 / +4 4 ✓ Full exchange observed
07-04 22:46 80m -5 / - SN0WWA - / -19 6 Partial capture
07-04 22:36 40m - / -4 EA8UP -8 / - 2 ✓ Closing fragment
07-04 13:04 20m - / -9 II0WWA -6 / - 2 ✓ Closing fragment
07-04 11:34 20m - / -12 R6OQ -18 / - 3 ✓ Closing fragment
07-04 00:55 80m 0 / -11 HG8LXL +5 / -15 5 ✓ Full exchange observed
07-04 00:52 80m +1 / - GB2WWA - / -20 4 ✓ Closing fragment
07-04 00:51 80m 0 / +3 G6PWS -2 / -11 4 ✓ Full exchange observed
07-04 00:45 80m - / -17 <...> +2 / - 4 Partial capture
07-04 00:44 80m - / -17 9A60CBM 0 / - 2 Partial capture
07-04 00:35 80m - / - DL3MIB +8 / - 2 ✓ Closing fragment
07-04 00:33 80m - / -12 R6ZEJ +3 / - 3 ✓ Closing fragment
07-04 00:31 80m 0 / 0 DA0WWA 0 / -2 3 ✓ Full exchange observed
07-04 00:28 80m +4 / - UA4CKN -14 / -5 3 ✓ Closing observed
07-04 00:27 80m +7 / -13 EA3HMM -12 / -14 4 ✓ Full exchange observed
07-04 00:26 80m +7 / -5 CR2WWA -16 / -15 4 ✓ Full exchange observed
07-04 00:22 40m -8 / - 8Q7PR - / -12 3 Partial capture
07-04 00:21 40m -5 / - UA3VVA - / -15 2 Partial capture
07-04 00:18 40m +2 / - KP4PI - / -18 2 Partial capture
07-04 00:16 40m -9 / - MM8FKF - / -10 2 Partial capture
07-04 00:10 40m -5 / - CE2LAF - / -12 5 ✓ Closing fragment
07-04 00:07 40m -2 / - KC2ZUR - / -17 3 Partial capture
07-04 00:06 40m -2 / - K2I - / -18 2 Partial capture
07-04 00:03 40m -2 / - II9WWA - / 0 2 ✓ Closing fragment
07-04 00:02 40m -2 / - EG4WWA -24 / -11 3 ✓ Closing observed
07-04 00:01 40m +2 / - CR2WWA -4 / +7 5 ✓ Full exchange observed
07-03 23:59 40m +2 / - CS2WWA -17 / -5 2 ✓ Closing observed
07-02 21:21 80m - / 0 R3YAU +7 / - 2 Partial capture
07-02 21:14 80m -3 / -13 LY7Z -2 / +8 4 ✓ Full exchange observed
07-02 21:02 80m -13 / -13 TM2WWA -4 / -19 3 ✓ Full exchange observed
07-02 20:57 80m -13 / - UA3SCU +8 / +2 4 ✓ Closing observed
07-02 20:56 80m -10 / -14 SN3WWA +8 / -18 8 ✓ Full exchange observed
07-02 20:51 80m -15 / - R3QX 0 / +2 4 ✓ Closing observed
07-02 20:49 80m -2 / -11 SN4WWA -7 / - 3 ✓ Closing observed
07-02 20:46 80m -10 / -15 II6WWA +3 / - 2 ✓ Closing observed
07-02 20:40 40m -3 / - EA1IOK - / -18 3 ✓ Closing fragment
07-02 20:36 40m -5 / - TM8WWA - / -11 2 Partial capture
07-02 20:34 40m 0 / - 8A1WWA - / -16 6 ✓ Closing fragment
07-02 20:34 40m - / - R9FE -10 / - 2 Partial capture
07-02 20:33 40m +2 / -18 UB3YGA -7 / -4 5 ✓ Full exchange observed
07-02 20:32 40m 0 / - M0ELS - / -5 2 ✓ Closing fragment
07-02 19:58 40m -8 / - F4SNF - / -16 2 ✓ Closing fragment
07-02 19:57 40m -11 / -12 II3WWA -17 / -25 6 ✓ Full exchange observed
07-02 19:54 40m -3 / -7 GB2WWA -18 / -3 5 ✓ Full exchange observed
07-02 19:52 40m -2 / - II5WWA -11 / +5 3 ✓ Closing observed
07-02 19:50 40m 0 / - R4DB -10 / - 4 ✓ Full exchange observed
07-02 19:43 20m - / -23 TM8WWA -5 / - 4 ✓ Closing fragment
07-02 19:39 20m - / -9 CR2WWA -4 / - 2 ✓ Closing fragment
07-02 19:36 20m - / -12 RU6CH -7 / - 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
194400  -5 1402  RD3BTW TM8WWA R-23 (x2)
113100 -24 1644  RD3BTW R6OQ KN87 (x4)
114330 -11  704  RD3BTW DF3ZE JO40
123300  -9  427  RD3BTW F4HTA R-14
130400  -5 1109  RD3BTW II0WWA R-09 (x2)
121630 -22 2135  RD3BTW R7DX KN84
125815 -11  813  RD3BTW F5OYA/P JN13 (x4)
40m
UTC    dB Audio  Message
001600  -6  665  MM8FKF RD3BTW -10 (x2)
001645 -15 2337  RD3BTW PE1NPS JO22
001815  +4  665  KP4PI RD3BTW -18 (x2)
001945  -4  665  MW9LQA RD3BTW -08
002100  -5  665  UA3VVA RD3BTW -15 (x2)
002230 -10  665  8Q7PR RD3BTW -12 (x3)
002400  -4  665  UA3VVA RD3BTW -15
223645  -7 1725  RD3BTW EA8UP R-04 (x2)
231115 -17 1142  RD3BTW EA1EQ R-13
160m
UTC    dB Audio  Message
211830 -13 1142  RD3BTW RM5F KO85 (x4)
221145  -4  768  RD3BTW UA4FKT LO23 (x3)
223800 -11  306  CQ RD3BTW KO85                        a1 (x6)
80m
UTC    dB Audio  Message
005545  +5  630  GB2WWA RD3BTW RR73
005645  -2  630  HG8LXL RD3BTW -15
005700  +7  802  RD3BTW HG8LXL R-11
005715  +1  631  HG8LXL RD3BTW RR73
005730  +6  801  RD3BTW HG8LXL 73
224645  -1  558  SN0WWA RD3BTW -19 (x3)
224815  -7  558  OH5WWA RD3BTW +04
224830  +5 1465  RD3BTW OH5WWA R+01
224845  -6  558  OH5WWA RD3BTW RR73
224900  +3 1466  RD3BTW OH5WWA 73
224915  -6  558  SN0WWA RD3BTW -18 (x3)
10m
UTC    dB Audio  Message
091115  +4  906  RD3BTW A61CK -22 (x3)
60m
UTC    dB Audio  Message
190345  -4  955  CQ RD3BTW KO85
190400  -3 1435  RD3BTW YO8DHA +04
190415  -6  955  CQ RD3BTW KO85
190430  -1 1314  RD3BTW LA9GX JO59
190430  +2 1435  RD3BTW YO8DHA +04
190445  -3  955  CQ RD3BTW KO85
190500  +1 1314  RD3BTW LA9GX JO59
190500  -3 1029  RD3BTW DL5DQZ JO61
190530 -16  954  RD3BTW F5LMJ JN28
190530  +1 1314  RD3BTW LA9GX JO59
190530  -2 1028  RD3BTW DL5DQZ JO61
190600  -1 1314  RD3BTW LA9GX JO59
190600  +0 1029  RD3BTW DL5DQZ JO61
190630  +0 1314  RD3BTW LA9GX JO59 (x2)

Decoder S/N history by band

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