R3DOF — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving R3DOF, decoded by SO8OO in southeastern Poland. 467 related FT8 messages, 112 CQ messages, observed on 80m, 40m, 20m, 10m, across 36 UTC dates. Heard between 2026-05-17 and 2026-08-15.

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

467
Related messages
112
CQ messages
36
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-17
Last seen: 2026-08-15 03:31 UTC

Activity Heatmap

Locator transmitted by R3DOF

Approximate centre of KO85, decoded 2026-08-02 06:29 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 UTCBandR3DOF S/NCounterpartCounterpart S/NMsgsCapture
08-15 05:29 20m - / -18 5B4AMX -2 / - 3 ✓ Closing fragment
08-08 04:28 20m - / -10 9K2OK -14 / - 2 ✓ Closing fragment
08-02 06:30 20m - / -13 R2AL +2 / - 2 Partial capture
07-19 05:36 20m -17 / - RW6HP - / -5 3 Partial capture
07-18 04:39 20m - / - R6FX 0 / - 2 ✓ Closing fragment
07-18 03:59 20m - / -15 XE1MEX -21 / - 2 Partial capture
07-15 02:22 20m -23 / - UG0B - / - 2 ✓ Closing fragment
07-15 02:16 20m -16 / - PW8BR - / - 3 ✓ Closing fragment
07-09 02:08 20m - / -2 4Z5NZ -8 / - 2 ✓ Closing fragment
07-04 01:52 40m - / -3 DK7ZT -14 / - 2 ✓ Closing fragment
06-28 08:03 10m - / -8 RC5F -15 / - 2 ✓ Closing fragment
06-25 17:45 20m - / -4 R6DJR -20 / - 2 Partial capture
06-24 23:01 80m -19 / - LY7M - / - 3 Partial capture
06-24 22:57 80m - / -17 SP9YGD +6 / - 4 ✓ Closing fragment
06-24 22:54 80m - / -18 R2ATY -8 / - 2 Partial capture
06-24 22:53 80m -24 / - UI5A -7 / - 2 ✓ Closing observed
06-24 22:52 80m - / -15 RV9CX -6 / - 2 ✓ Closing fragment
06-23 17:57 20m - / -15 PD0HLA +1 / - 4 Partial capture
06-21 03:26 40m - / -17 YO6LM -17 / - 4 ✓ Closing fragment
06-20 04:29 20m -15 / - KA1MXL - / - 2 ✓ Closing fragment
06-19 06:06 20m - / - F5IXN -11 / - 3 Partial capture
06-19 05:21 20m - / -19 F4LNM -4 / - 4 ✓ Closing fragment
06-19 05:08 20m -13 / - VE3EZZ - / -20 2 Partial capture
06-19 04:35 20m - / +2 R8LB -2 / - 2 ✓ Closing fragment
06-19 02:00 20m - / -5 ZF2OO +2 / - 2 Partial capture
06-18 18:02 20m - / -19 BG8HNC -19 / - 4 ✓ Closing fragment
06-18 17:58 20m - / -15 BA8BLK -18 / - 3 Partial capture
06-18 17:06 20m -5 / - 3G5OZD - / - 6 Partial capture
06-18 16:56 20m -14 / - LY5W - / -18 2 Partial capture
06-18 02:03 20m -14 / - LY7T - / - 2 Partial capture
06-18 01:57 20m - / -8 RA9UDY -20 / - 3 ✓ Closing fragment
06-18 01:43 20m -10 / - TJ1GD/P - / - 3 Partial capture
06-18 01:41 20m -6 / -14 N8NZM -10 / -19 4 ✓ Full exchange observed
06-18 01:19 20m -11 / -14 KB3Z -9 / - 3 ✓ Closing observed
06-18 01:16 20m -10 / - N8NZM - / - 4 Partial capture
06-18 01:12 20m - / - RV6LN +1 / - 2 Partial capture
06-16 15:55 20m - / -24 BG4ACY -16 / - 4 ✓ Closing fragment
06-15 16:20 20m - / - F5IXN -8 / - 3 Partial capture
06-15 16:19 20m - / -13 G4UJS -8 / - 5 ✓ Closing fragment
06-15 16:12 20m -12 / - UB6OAJ -12 / - 2 ✓ Closing observed
06-15 02:38 20m - / -13 W6NWS +10 / - 2 ✓ Closing fragment
06-15 02:20 40m -13 / - F5NNN -4 / - 6 ✓ Closing observed
06-15 02:17 40m - / - F1IQH -12 / - 2 ✓ Closing fragment
06-15 02:09 20m - / -12 D2UY -8 / - 2 ✓ Closing fragment
06-15 01:49 20m -16 / - <...> - / - 2 Partial capture
06-15 01:46 20m -10 / - KR4DWD -7 / -17 6 ✓ Closing observed
06-15 01:42 20m - / -10 CE2SV -3 / - 2 ✓ Closing fragment
06-14 14:57 20m - / - DJ7YP +1 / - 9 Partial capture
06-14 14:41 20m -14 / - BG8HNC - / - 4 Partial capture
06-14 14:38 20m -16 / - F5IXN -21 / -20 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
043845  -9 2827  R7KM R3DOF 73
043930  -3 2828  R3DOF R6FX LN14 (x2)
053630 -20  902  RW6HP R3DOF -05 (x3)
062915  -2  416  CQ R3DOF KO85 (x2)
063030  +3 1131  R3DOF R2AL R-13 (x2)
042830 -16 1578  R3DOF 9K2OK -10 (x2)
052930  -2 1779  R3DOF 5B4AMX -18 (x3)
40m
UTC    dB Audio  Message
021730 -12 1041  R3DOF F1IQH JN27 (x2)
022030  -5  667  R3DOF F5NNN IN94 (x4)
022215 -13  296  F5NNN R3DOF RR73
022230  -6  667  R3DOF F5NNN 73
032615 -18 1737  R3DOF YO6LM KN25 (x4)
032845 -16 2476  R3DOF RN6HK 73
015230 -16 1905  R3DOF DK7ZT -03 (x2)
10m
UTC    dB Audio  Message
151100  -3  944  R3DOF DO7TTR JN58 (x3)
065600 -10 1089  R9FFX R3DOF KO85
072830  +6  978  R3DOF R6FX LN14 (x4)
073200  -4 2312  R3DOF RZ6ASO -14
073230  -6  978  R3DOF R6FX R-23 (x3)
074945  -4  747  CQ R3DOF KO85                         a1
080315 -14 1283  R3DOF RC5F R-08 (x2)
80m
UTC    dB Audio  Message
225230  -3 2517  R3DOF RV9CX -15 (x2)
225330  -7 1283  R3DOF UI5A KO85
225400  -7 1649  R3DOF R2ATY -18
225415 -24 1463  UI5A R3DOF RR73
225430  -8 1648  R3DOF R2ATY -18
225700  +4 1463  R3DOF SP9YGD JO90 (x4)
225945 -19 1955  CQ R3DOF KO85 (x2)
230115 -19 1955  LY7M R3DOF KO85 (x3)

Decoder S/N history by band

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