RM5C — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO96

Receiver-side FT8 activity involving RM5C, decoded by SO8OO in southeastern Poland. 223 related FT8 messages, 4 CQ messages, observed on 80m, 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-05-31 and 2026-08-22.

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

223
Related messages
4
CQ messages
16
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-31
Last seen: 2026-08-22 20:17 UTC

Frequent QSO partners observed at SO8OO

Stations RM5C worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RM5C

Approximate centre of KO96, decoded 2026-08-22 21:55 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 UTCBandRM5C S/NCounterpartCounterpart S/NMsgsCapture
08-22 22:16 40m - / - SP7TF -14 / - 2 ✓ Closing fragment
08-22 22:14 40m - / - TA3NK -5 / - 2 ✓ Closing fragment
08-22 22:08 40m - / -8 GB64MOD +1 / - 4 Partial capture
08-22 21:55 40m -2 / -15 M0LAD -4 / - 2 Partial capture
08-22 21:54 40m -5 / - SQ9SET - / - 2 Partial capture
08-09 12:05 10m -18 / - OK2CAT - / -26 4 Partial capture
08-09 12:03 10m -17 / - HA3GX - / - 3 Partial capture
08-08 20:43 40m - / -6 RG7A -20 / - 2 ✓ Closing fragment
08-08 20:37 40m - / -19 DL5KIM -12 / - 5 Partial capture
08-08 20:27 80m -4 / - YL3MM - / -23 4 ✓ Closing fragment
08-08 20:24 80m -6 / -9 <...> +4 / - 3 Partial capture
08-08 20:22 80m -6 / - RT25KS - / - 2 Partial capture
08-08 20:19 80m 0 / - <...> - / - 2 Partial capture
08-08 20:15 80m +1 / 0 R1NO +3 / - 2 Partial capture
08-08 20:10 80m -7 / -5 R3YAU -5 / - 4 ✓ Closing observed
08-08 20:04 80m - / - DO5HOK +4 / - 5 Partial capture
08-08 20:03 80m - / - IK6GTF -5 / - 42 Partial capture
08-08 20:02 80m - / -12 RD4AN +2 / - 3 ✓ Closing fragment
08-08 19:59 80m - / -16 RM5F -1 / - 3 ✓ Closing fragment
08-08 19:57 80m - / -12 RA4LFN -2 / - 2 ✓ Closing fragment
08-08 19:41 40m -17 / - ON8PB - / - 2 Partial capture
08-08 19:40 40m - / - G4DBW -14 / - 2 Partial capture
08-08 19:38 40m -15 / - SV1QVZ - / -21 2 Partial capture
08-01 22:02 40m -8 / -15 SQ2MFM -15 / -15 4 Partial capture
08-01 22:00 40m -9 / -12 F5MJN -5 / - 3 ✓ Closing observed
08-01 21:48 40m -17 / - PD2FS - / - 2 Partial capture
08-01 21:47 40m -13 / - PA7D -18 / -15 2 ✓ Closing observed
08-01 21:42 40m - / -4 RA3WY -12 / - 3 ✓ Closing fragment
08-01 21:26 40m -8 / - R2BIU -13 / - 2 ✓ Closing observed
08-01 21:19 40m - / - R5BM -8 / - 7 Partial capture
08-01 21:16 40m -11 / -18 YO9EMI -10 / -23 6 ✓ Full exchange observed
08-01 21:15 40m -14 / - IU3VQA - / - 2 Partial capture
07-24 16:59 20m - / - EA1KP +4 / - 2 ✓ Closing fragment
07-24 04:18 20m - / -9 UA3ZQN -3 / - 2 ✓ Closing fragment
07-24 04:11 20m - / - RZ6ALZ -18 / - 2 Partial capture
07-20 10:21 20m - / -6 UA6ANQ -12 / - 3 ✓ Closing fragment
07-19 16:52 20m - / -8 7Z1BM -12 / - 2 ✓ Closing fragment
07-19 05:16 20m - / - F4LNM -1 / - 2 Partial capture
07-19 05:15 20m - / - LZ3CB +14 / - 3 Partial capture
07-19 05:04 20m - / -20 TI5RR -16 / - 2 ✓ Closing fragment
07-19 04:52 20m - / -14 W4PSK -6 / - 2 ✓ Closing fragment
07-18 07:39 20m - / - PD2WL -20 / - 5 Partial capture
07-18 06:42 10m - / 0 RD7LC -10 / - 2 ✓ Closing fragment
07-17 21:57 40m - / -17 IK1LJG -13 / - 3 Partial capture
07-17 20:52 20m - / -16 JA5XAE -14 / - 2 ✓ Closing fragment
07-17 20:38 20m - / -17 LZ5XP -4 / - 2 ✓ Closing fragment
07-17 20:36 20m - / -10 KF0YOB +4 / - 2 ✓ Closing fragment
07-17 20:24 10m - / -3 9K2HN -10 / - 2 ✓ Closing fragment
07-17 19:52 10m - / +2 IK2XYI +14 / - 2 ✓ Closing fragment
07-17 06:53 10m - / -5 RC7LX -16 / - 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
205600  -9  371  RM5C <...> -10
215430  -6  823  SQ9SET RM5C KO96 (x2)
215530  -2  823  M0LAD RM5C KO96
215715  -4  822  RM5C M0LAD -15
220800  +2 1458  RM5C GB64MOD -08 (x4)
221130 -11  822  RM5C M0PPT -14
221400  -5  824  RM5C TA3NK KM39
221430  -3  822  RM5C F1IQH JN27
221500  -5  824  RM5C TA3NK 73
221630 -13  824  RM5C SP7TF RR73 (x2)
10m 
UTC    dB Audio  Message
110400 -17 1099  RA4HEV RM5C -02
110700 -18 1100  CQ RM5C KO96
110730 -15 1100  RA5AK RM5C R-14
110915 -19 1100  SM7YLS RM5C R+01
111045 -21 1100  CQ RM5C KO96
111115 -21 1100  RD4HX RM5C +01
111600 -21 1405  RM5C R7DX R-15
113400 -18 1097  RM5C R2ZC KO81
120315 -16  927  HA3GX RM5C KO96 (x3)
120545 -16  928  OK2CAT RM5C KO96 (x4)
80m 
UTC    dB Audio  Message
202345  -8 1229  RM5C IK6GTF JN72
202345  -7  884  RT25KS RM5C KO96
202415 -10 1230  RM5C IK6GTF JN72
202445  -4  884  <...> RM5C KO96
202445  -6 1229  RM5C IK6GTF JN72 (x2)
202545  -7  883  <...> RM5C KO96
202545  -9 1229  RM5C IK6GTF JN72
202600  +4  241  RM5C <...> -09
202645  -8 1229  RM5C IK6GTF JN72
202745  -4  883  YL3MM RM5C KO96 (x4)
211045 +12  799  RM5C <...> -14
20m 
UTC    dB Audio  Message
165315 -13  855  RM5C 7Z1BM RR73
165645  -5  733  RM5C DM8KJ RR73
182815  -6  924  RM5C YO3WST RR73
101400  -4  590  RM5C <...> -14
102100 -15 1134  RM5C UA6ANQ -06 (x3)
041115 -18 2409  RM5C RZ6ALZ LN06 (x2)
041815  -3  615  RM5C UA3ZQN -09 (x2)
042315 -13 1019  RM5C RD4A RR73
165900  -2  787  RM5C EA1KP RR73 (x2)
170130  -9  284  RM5C DL4GBK RR73

Decoder S/N history by band

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