R3DMS — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving R3DMS, decoded by SO8OO in southeastern Poland. 2,148 related FT8 messages, 568 CQ messages, observed on 80m, 40m, 20m, 10m, across 75 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

2,148
Related messages
568
CQ messages
75
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-26
Last seen: 2026-08-23 16:17 UTC

Frequent QSO partners observed at SO8OO

Stations R3DMS worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R3DMS

Approximate centre of KO85, decoded 2026-08-23 18:16 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 UTCBandR3DMS S/NCounterpartCounterpart S/NMsgsCapture
08-23 18:17 80m - / - DL7GW +4 / - 2 Partial capture
08-23 18:14 80m 0 / -6 R6HD +2 / -13 4 ✓ Full exchange observed
08-23 18:12 80m +2 / -1 RX3DQ +8 / - 3 ✓ Closing observed
08-23 18:05 80m -6 / -9 RA9YTI -15 / - 6 Partial capture
08-23 17:59 40m -2 / 0 RA9AJ +6 / - 11 ✓ Full exchange observed
08-23 17:56 40m -4 / - R6YBU - / -23 4 ✓ Closing fragment
08-23 17:52 40m -1 / -5 RU3T +1 / - 4 ✓ Closing observed
08-23 17:51 40m - / - F1IQH -10 / - 3 Partial capture
08-23 13:34 20m -12 / - F1FPM - / - 2 Partial capture
08-23 12:48 40m - / -19 UA6HJT -10 / - 3 ✓ Closing fragment
08-22 18:00 80m +9 / - <...> - / -3 4 Partial capture
08-22 17:56 80m +3 / -8 R1CBA -8 / -15 8 ✓ Full exchange observed
08-22 17:54 80m 0 / 0 R1OA -14 / -17 5 ✓ Full exchange observed
08-22 17:49 40m +3 / -6 PF1B -15 / -18 8 ✓ Full exchange observed
08-22 17:46 40m +3 / -19 F1PBZ -5 / -21 6 Partial capture
08-22 17:44 40m -3 / -11 PA3BMB -5 / -19 3 ✓ Full exchange observed
08-22 17:41 40m -5 / - RK9DO - / - 4 Partial capture
08-22 17:38 40m -8 / - R9WJ - / -5 2 Partial capture
08-22 17:35 40m -6 / - OH7MFO - / - 5 Partial capture
08-22 17:32 40m -1 / - R4DI -8 / -1 5 ✓ Closing observed
08-22 17:30 40m -7 / - RU9DX - / -15 3 ✓ Closing fragment
08-22 06:00 40m -17 / -4 LB4PI -17 / - 2 Partial capture
08-21 18:25 80m - / +2 R3LAF -9 / - 2 ✓ Closing fragment
08-21 18:21 80m -10 / -3 UA3XDR -15 / +2 6 ✓ Full exchange observed
08-21 18:19 80m -11 / -16 R9SAP -10 / -11 5 ✓ Full exchange observed
08-21 18:18 80m -6 / - RC2DD - / - 2 Partial capture
08-21 18:16 80m +1 / - RY3F +1 / - 3 ✓ Closing observed
08-21 18:09 80m - / -13 R3ZG -2 / - 2 ✓ Closing fragment
08-21 18:08 80m - / -1 RL3F -13 / - 2 ✓ Closing fragment
08-21 18:01 40m -7 / - UB8SII - / -14 6 ✓ Closing fragment
08-21 17:58 40m -7 / - R6AC -12 / -8 6 ✓ Closing observed
08-21 17:58 40m -7 / +3 R1CBW -10 / -8 4 ✓ Full exchange observed
08-21 17:53 40m -8 / - UA0QNE - / -9 4 Partial capture
08-21 17:49 40m -9 / - UA9LLE - / -12 5 ✓ Closing fragment
08-21 17:47 40m -4 / -1 RN1ON +4 / +1 5 ✓ Full exchange observed
08-21 17:45 40m -6 / -10 R8CGO -3 / +4 5 ✓ Full exchange observed
08-21 17:42 40m -6 / -9 RK9ADW -13 / -9 5 ✓ Full exchange observed
08-21 17:40 40m -7 / 0 UD7G +8 / +3 9 ✓ Full exchange observed
08-21 17:37 40m -4 / - RA9SJG - / -10 8 ✓ Closing fragment
08-20 19:26 40m -3 / - R2EA/P - / -12 3 Partial capture
08-20 19:23 40m -3 / - S55X - / - 6 Partial capture
08-20 19:21 40m 0 / - RW1CW - / +4 3 ✓ Closing fragment
08-20 19:19 40m -5 / - R2EA/P - / +8 3 ✓ Closing fragment
08-20 19:15 40m -10 / - RV1A - / -6 3 ✓ Closing fragment
08-20 19:08 40m -2 / -4 R8LCI -8 / -13 3 ✓ Full exchange observed
08-20 19:06 80m -3 / +1 EW8AAC -11 / -15 5 ✓ Full exchange observed
08-20 19:01 80m -4 / - R3ICU -18 / -10 5 ✓ Full exchange observed
08-20 18:59 80m - / -5 UB6OAJ -3 / - 2 ✓ Closing fragment
08-20 18:57 80m +1 / - R1ZH - / -10 3 ✓ Closing fragment
08-20 18:57 80m - / - DO1ID +1 / - 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
180900 -15 1435  R3DMS RA9YTI -08
181230  +7  800  R3DMS RX3DQ -01 (x2)
181315  +2  799  RX3DQ R3DMS 73
181400 -11  800  R3DMS DM2BM JO54
181415  -4  799  CQ R3DMS KO85
181430  +3  803  R3DMS R6HD -06
181445  -3  799  R6HD R3DMS R-13
181500  +2  802  R3DMS R6HD RR73
181515  +2  799  R6HD R3DMS 73
181545  +5  799  CQ R3DMS KO85                         a1 (x3)
181700  +5  800  R3DMS DL7GW JO62 (x2)
40m 
UTC    dB Audio  Message
175630  -8 1021  R6YBU R3DMS KO85 (x4)
175915  -4 1021  RA9AJ R3DMS KO85 (x8)
180300  +6 1306  R3DMS RA9AJ R+00
180315  -2 1021  RA9AJ R3DMS RR73
180330  +7 1306  R3DMS RA9AJ 73
20m 
UTC    dB Audio  Message
081615 -12 1697  YV5JLO R3DMS -17 (x3)
082000 -15 2014  R3DMS PD3PAM JO32 (x2)
082045 -16 1859  PD3PAM R3DMS RR73
082100 -13 2014  R3DMS PD3PAM 73
082145 -13 1859  GU0SUP R3DMS -15
082345 -13 1859  CQ R3DMS KO85
082900 -10  303  R3DMS R6LKG LN07
132530 -20 1380  CQ R3DMS KO85
132630 -21 1380  OK2VCR R3DMS +04
132815 -16  894  R3DMS R9OAE NO14
133430 -11 1380  F1FPM R3DMS KO85 (x2)
10m 
UTC    dB Audio  Message
074100 -13 2284  SV2AEL R3DMS +06
074115 -22 1950  R3DMS SV2AEL R-02
074130 -12 2284  SV2AEL R3DMS RR73
074230 -10 2284  RA3FH R3DMS RR73
074300 -18 2284  CQ R3DMS KO85                         a1
074330 -16 2284  RD7LC R3DMS R-09
074345 -24 1612  R3DMS RD7LC RR73
074400 -18 2284  RD7LC R3DMS R-09 (x2)
121500 -20 1780  R3DMS EA5KB RR73
063030 -24 1771  R3DMS LZ2CC R-02
063330 -13 1497  R3DMS DN9AD JO52 (x4)

Decoder S/N history by band

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