R3MDJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO97

Receiver-side FT8 activity involving R3MDJ, decoded by SO8OO in southeastern Poland. 323 related FT8 messages, 51 CQ messages, observed on 80m, 40m, 20m, 10m, across 42 UTC dates. Heard between 2026-05-19 and 2026-08-16.

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

323
Related messages
51
CQ messages
42
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-05-19
Last seen: 2026-08-16 14:23 UTC

Activity Heatmap

Locator transmitted by R3MDJ

Approximate centre of KO97, decoded 2026-08-16 16:17 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 UTCBandR3MDJ S/NCounterpartCounterpart S/NMsgsCapture
08-16 15:58 20m - / +2 DL3LBK -10 / - 3 ✓ Closing fragment
08-16 15:51 20m - / -3 RV9CX -13 / - 2 ✓ Closing fragment
08-14 09:26 20m -20 / - T77RN - / - 2 Partial capture
08-14 08:48 20m - / -6 IK4LZH +2 / - 5 ✓ Closing fragment
08-11 06:07 10m - / -11 RT6Z -20 / - 2 ✓ Closing fragment
08-11 05:58 10m - / -3 R6OIZ -8 / - 2 ✓ Closing fragment
08-08 08:33 10m - / +2 RN6LBT -4 / - 2 ✓ Closing fragment
08-08 07:56 10m - / -11 UA7T -14 / - 2 ✓ Closing fragment
08-08 07:44 10m - / +4 RN6MA -14 / - 2 ✓ Closing fragment
08-04 13:24 20m - / - PD3LKN -24 / - 2 Partial capture
07-24 14:31 10m - / -6 DL1DXX -11 / - 5 ✓ Closing fragment
07-23 07:36 10m - / -4 IK4LZH +10 / - 5 ✓ Closing fragment
07-23 07:17 10m - / 0 UA3LNM -18 / - 2 Partial capture
07-23 06:53 10m - / - RZ6L -8 / - 2 Partial capture
07-22 10:13 10m - / -18 S55A -18 / - 2 Partial capture
07-22 07:38 20m - / -17 RU3QR -22 / - 2 ✓ Closing fragment
07-22 07:22 10m - / - IK1JUS -12 / - 2 Partial capture
07-14 10:41 20m - / -9 LZ4VR -21 / - 4 ✓ Closing fragment
07-14 10:39 20m - / -4 RA6OV -16 / - 2 ✓ Closing fragment
07-08 12:02 20m - / +4 R3EDI -17 / - 3 ✓ Closing fragment
07-07 05:03 20m - / -9 UA3RAU -12 / - 3 ✓ Closing fragment
07-02 15:55 40m - / -8 RA3ZOM -18 / - 2 ✓ Closing fragment
06-30 05:52 20m -15 / -10 R9WEI -17 / 0 6 ✓ Full exchange observed
06-30 05:48 20m -12 / +7 G3TKT -13 / -6 5 ✓ Full exchange observed
06-30 05:47 20m -14 / -4 K2TQC -17 / +4 4 ✓ Full exchange observed
06-30 05:42 20m - / - RK4UZ -16 / - 2 ✓ Closing fragment
06-29 12:22 10m - / -10 UB6OCP -22 / - 2 ✓ Closing fragment
06-29 08:22 10m - / - RA3ZDU -1 / - 2 ✓ Closing fragment
06-29 08:03 10m - / -4 R5KH -9 / - 2 ✓ Closing fragment
06-29 07:43 10m - / -10 R6KA +11 / - 3 ✓ Closing fragment
06-29 07:42 10m - / -11 F4FSY -9 / - 3 ✓ Closing fragment
06-24 15:37 20m - / - CT3MD -5 / - 3 Partial capture
06-22 19:07 80m - / -5 RY4D -5 / - 3 ✓ Closing fragment
06-22 16:12 40m - / -10 S58N -8 / - 3 ✓ Closing fragment
06-21 08:56 10m - / +3 RK4FD -10 / - 2 Partial capture
06-20 05:47 20m -1 / -9 R1IO -12 / -13 6 ✓ Full exchange observed
06-18 17:23 40m - / - PE1NPS -6 / - 4 Partial capture
06-18 17:20 40m -18 / - RM4N - / -3 4 ✓ Closing fragment
06-18 17:12 40m - / -14 UA3WG -14 / - 2 ✓ Closing fragment
06-14 09:08 20m -21 / -6 F5NIB -7 / - 4 ✓ Closing observed
06-14 09:03 20m -18 / - <...> - / -21 2 Partial capture
06-11 16:51 40m - / -11 UB6YCY -4 / - 2 ✓ Closing fragment
06-11 15:57 20m - / -12 R3KCW +2 / - 5 Partial capture
06-11 15:47 20m - / -8 RW7M -3 / - 2 ✓ Closing fragment
06-11 10:53 20m -6 / - UI6O -8 / -14 3 ✓ Closing observed
06-11 10:47 20m +1 / - HB10GBT - / -14 3 Partial capture
06-10 16:25 20m - / - RZ6CO -16 / - 2 Partial capture
06-10 16:13 20m -10 / - UA1AOF - / - 2 Partial capture
06-10 16:10 20m -9 / - RG1L - / -10 4 ✓ Closing fragment
06-10 16:09 20m - / -13 R4FDW -14 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
173615 -20 1289  <...> R3MDJ KO97 (x2)
175115 -23 1289  CQ R3MDJ KO97                         a1
053430 -18 1043  R3MDJ R3LDM -07
161215 -20 1289  <...> R3MDJ KO97
161215 -10 1703  R3MDJ S58N -10 (x3)
161545 -20 1286  R3MDJ DL2KBQ JO30
163400 -22 1916  R3MDJ RU3X R-06
050300 -15 1233  R3MDJ SP1EG -10
155530 -19 1874  R3MDJ RA3ZOM -08 (x2)
161730 -23 1290  CQ R3MDJ KO97
162345 -21 1965  R3MDJ R2ZCA RR73
20m
UTC    dB Audio  Message
062130 -15 1967  R3MDJ UF4S/6 -16
084815  +5  463  R3MDJ IK4LZH JN54 (x5)
092445 -17 1328  CQ R3MDJ KO97 (x2)
092645 -21 1381  T77RN R3MDJ KO97 (x2)
155145 -14 2153  R3MDJ RV9CX -03 (x2)
155845  -9 1027  R3MDJ DL3LBK JO54 (x3)
10m
UTC    dB Audio  Message
143200 -12 1263  R3MDJ DL1DXX RR73 (x3)
084800 -21 1287  R3MDJ R6DOP R-15
074415 -17 1292  R3MDJ RN6MA +04 (x2)
075600 -12 2238  R3MDJ UA7T R-11 (x2)
083345  -1  550  R3MDJ RN6LBT +02 (x2)
054815 -17 2098  R3MDJ RX6LG RR73
055830  -9 2248  R3MDJ R6OIZ -03 (x2)
060730 -20 1613  R3MDJ RT6Z -11 (x2)
80m
UTC    dB Audio  Message
172245 -24 1379  R3MDJ RA6BL KN95
190700  -5 1176  R3MDJ RY4D -05 (x3)

Decoder S/N history by band

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