RA5CM — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving RA5CM, decoded by SO8OO in southeastern Poland. 266 related FT8 messages, 125 CQ messages, observed on 80m, 40m, 20m, 10m, across 20 UTC dates. Heard between 2026-05-26 and 2026-08-21.

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

266
Related messages
125
CQ messages
20
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-21 23:13 UTC

Activity Heatmap

Locator transmitted by RA5CM

Approximate centre of KO85, decoded 2026-08-22 01:16 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 UTCBandRA5CM S/NCounterpartCounterpart S/NMsgsCapture
08-22 01:16 80m -12 / - ZL3BWE - / - 2 Partial capture
08-22 01:11 80m 0 / -9 F5MYK -16 / -16 3 ✓ Full exchange observed
08-22 01:10 80m +3 / -5 DH1KJ 0 / -8 4 ✓ Full exchange observed
08-22 01:10 80m +2 / -12 EC3A -18 / -15 5 ✓ Full exchange observed
08-22 00:57 80m -2 / -15 DL8HXP +1 / -3 6 ✓ Full exchange observed
08-22 00:52 80m - / -13 EC3A -22 / - 2 Partial capture
08-22 00:52 80m -1 / -12 F4FPR -23 / -11 6 ✓ Full exchange observed
08-22 00:50 80m 0 / - C31KC - / -16 4 ✓ Closing fragment
08-22 00:43 80m -10 / - W8LRL - / - 2 Partial capture
08-22 00:42 80m -8 / - EA5HM -11 / -16 5 Partial capture
08-22 00:40 80m -10 / - DO5PY +2 / -16 3 ✓ Closing observed
08-22 00:33 80m - / - F5NNN -12 / - 2 Partial capture
08-22 00:33 80m -24 / -6 TF3VS -3 / -8 5 ✓ Full exchange observed
08-22 00:32 80m -20 / -10 R6ZEJ -9 / - 3 ✓ Closing observed
08-22 00:27 80m -16 / - W8LRL - / - 4 Partial capture
08-21 17:44 40m - / - R6DZR +6 / - 2 Partial capture
08-21 17:41 40m -9 / - XU7O - / - 3 Partial capture
08-21 15:59 40m -15 / - ZL2NU - / - 6 Partial capture
08-20 01:31 80m -1 / - W1NB - / -17 5 Partial capture
08-20 01:29 80m -3 / 0 RA6ZS -3 / +1 5 ✓ Full exchange observed
08-20 01:20 80m -8 / - W1NB - / - 2 Partial capture
08-20 01:16 80m -1 / -14 9A3AUH -1 / - 4 ✓ Closing observed
08-20 01:15 80m - / - RA6ZS +6 / - 2 Partial capture
08-20 01:04 80m -11 / -22 W1NB -9 / -17 18 Partial capture
08-20 01:01 80m -8 / - RA4CGX 0 / -1 4 ✓ Closing observed
08-20 01:01 80m -11 / - WB8BPU - / - 3 Partial capture
08-20 00:47 80m -12 / - W3LPL - / - 5 Partial capture
08-20 00:40 80m -12 / - VA2PM - / - 5 Partial capture
08-20 00:35 80m -19 / - VA2PM - / - 5 Partial capture
08-20 00:22 80m -7 / - C31KC - / - 6 Partial capture
08-20 00:15 80m 0 / - UA9CR - / -12 2 ✓ Closing fragment
08-20 00:12 80m -4 / - HA1DUQ -21 / -14 3 ✓ Closing observed
08-20 00:11 80m -4 / -8 IK6GTF -18 / -12 4 ✓ Full exchange observed
08-20 00:08 80m -2 / -9 DK4BP -20 / -15 3 ✓ Full exchange observed
08-20 00:06 80m -8 / - EA8AR -24 / -18 3 ✓ Closing observed
08-19 23:56 80m -6 / - A93MO - / -14 3 ✓ Closing fragment
08-19 23:19 80m +2 / - OJ0YL - / -4 7 Partial capture
08-19 23:06 80m 0 / - CE3SPR - / -21 9 Partial capture
08-19 22:51 80m -5 / - CE3SPR - / -18 20 ✓ Closing fragment
08-11 05:41 20m -18 / - RI1ANC - / - 2 Partial capture
08-09 18:49 20m -17 / -17 D2ACE -6 / - 4 ✓ Closing observed
08-09 18:40 20m -21 / - D2ACE - / - 2 Partial capture
07-27 01:29 40m -21 / - AA4NP - / -17 2 Partial capture
07-25 01:42 40m -20 / - VP5G - / - 5 Partial capture
07-25 01:32 40m -19 / - VP5G - / -15 3 Partial capture
07-25 01:28 80m +2 / -6 R6NA +4 / +1 5 ✓ Full exchange observed
07-25 01:23 80m +6 / -1 UB3PAQ -17 / +1 5 ✓ Full exchange observed
07-25 01:23 80m +6 / - DL9KM -4 / - 7 ✓ Closing observed
07-25 01:20 80m -2 / - IQ4JO +8 / -3 2 Partial capture
07-25 01:04 20m - / - V31DL -11 / - 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
011000  -2  355  RA5CM DH1KJ JN48
011000 -22 1155  RA5CM EC3A -12
011015  +3 1902  DH1KJ RA5CM -08
011030  +3  355  RA5CM DH1KJ R-05 (x2)
011115  +2 1902  CQ RA5CM KO85
011130 -18 1155  RA5CM EC3A -10
011145  +0 1902  F5MYK RA5CM -16
011200 -16 2561  RA5CM F5MYK R-09
011215  +1 1902  F5MYK RA5CM RR73
011245  +1 1902  EC3A RA5CM R-15
011300 -15 1155  RA5CM EC3A RR73
011315  +3 1902  EC3A RA5CM 73
011600 -15 1902  ZL3BWE RA5CM KO85 (x2)
40m
UTC    dB Audio  Message
012945 -23 1910  AA4NP RA5CM KO85 (x2)
212130 -23 1685  KL7P RA5CM KO85
190300 -18 2188  E70SZ RA5CM KO85
155915 -15 1514  ZL2NU RA5CM KO85 (x6)
174145  -9 1970  XU7O RA5CM KO85 (x3)
174400  +5  739  RA5CM R6DZR KN84 (x2)
20m
UTC    dB Audio  Message
010430 -12  919  RA5CM V31DL EK57
010430 -10  863  RA5CM VA3DIF RR73
010600 -11  920  RA5CM V31DL EK57 (x2)
090145 -11 2757  VP5G RA5CM KO85
184000 -19 2163  D2ACE RA5CM KO85 (x4)
184915  -6 2672  RA5CM D2ACE -17 (x2)
185000 -17 2343  D2ACE RA5CM 73
054130 -19 2175  RI1ANC RA5CM KO85 (x2)
180830  +4 2376  RA5CM D2IM R-15
10m
UTC    dB Audio  Message
104630 -24 1731  RA5CM YT3PL 73
095745 -24 1837  7Q9PTP RA5CM KO85
111630  -9  923  RA5CM A41ZZ -15 (x2)
111830 -13  639  RA5CM RG5A KN93
111900  -5  924  RA5CM A41ZZ -10
111930 -13  638  RA5CM RG5A R-05
112115 -21 1955  RA4CIY RA5CM 73
112130  -6  924  RA5CM A41ZZ -17
112145 -20 1955  A41ZZ RA5CM R-06
112200  -2  923  RA5CM A41ZZ RR73
112215 -23 1955  A41ZZ RA5CM 73
112245 -24 1955  CQ RA5CM KO85                         a1 (x2)
083700  -3 2700  RA5CM RZ6L KN97

Decoder S/N history by band

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