RA5O — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO91

Receiver-side FT8 activity involving RA5O, decoded by SO8OO in southeastern Poland. 41 related FT8 messages, 28 CQ messages, observed on 160m, 20m, 10m, across 4 UTC dates. Heard between 2026-04-26 and 2026-07-22.

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

Related messages

CQ messages

UTC dates heard

+5 dB

Mean decoder S/N

Bands

20m 10m 160m

First seen: 2026-04-26
Last seen: 2026-07-22 17:10 UTC

Frequent QSO partners observed at SO8OO

Stations RA5O worked most often, as logged from our receiver:

PU5FLP · Brazil DK2TIM · Fed. Rep. of Germany DA6BR · Fed. Rep. of Germany LU5AVM · Argentina OK1DXR · Czech Republic R9AL · Asiatic Russia R9UG · Asiatic Russia UR5VLC · Ukraine RL3K · European Russia R6ML · European Russia RV9CX · Asiatic Russia R8AGW · Asiatic Russia

Locator transmitted by RA5O

Approximate centre of KO91, decoded 2026-07-22 19:09 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 UTC	Band	RA5O S/N	Counterpart	Counterpart S/N	Msgs	Capture
07-22 19:09	160m	- / -	R2SDZ	-17 / -	3	Partial capture
07-22 19:07	160m	-7 / -2	R6ML	-6 / -1	5	✓ Full exchange observed
06-11 17:47	10m	+16 / -	PU1ABT	- / -25	2	Partial capture
06-11 17:41	10m	+10 / -	LU9ABU	- / -12	2	Partial capture
06-11 17:39	10m	+12 / -	UR5VLC	- / -13	2	✓ Closing fragment
06-11 17:36	10m	+11 / -	DA6BR	- / -25	3	✓ Closing fragment
06-11 17:33	10m	+16 / -	RV9CX	- / +3	2	✓ Closing fragment
06-11 17:31	10m	+14 / -	R9UG	- / -	3	✓ Closing fragment
06-11 17:26	10m	+11 / -	LU5AVM	- / -17	2	✓ Closing fragment
06-11 17:17	10m	+8 / -	F4BJN	- / -6	2	Partial capture
06-11 17:12	10m	+14 / -	PY5TD	- / -4	5	Partial capture
06-11 17:11	10m	+13 / -16	RL3K	-10 / +2	4	✓ Full exchange observed
06-11 11:06	10m	-7 / -	9X5KM	- / -7	17	Partial capture
06-11 10:55	10m	-12 / -	9X5KM	- / -7	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

160m

UTC    dB Audio  Message
190730  -6  996  CQ RA5O KO91
190745  -9  996  RA5O R6ML LN17
190800  -6  996  R6ML RA5O -01
190815  -7  996  RA5O R6ML R-02
190830  -8  996  R6ML RA5O RR73
190845  -1  996  RA5O R6ML 73
190915 -10  996  CQ RA5O KO91
190915 -14 1896  RA5O R2SDZ KO94 (x3)

10m

UTC    dB Audio  Message
173730 +12 2502  DA6BR RA5O RR73
173800 +14 2502  CQ RA5O KO91 (x2)
173900 +15 2501  UR5VLC RA5O -13 (x2)
174100 +10 2501  LU9ABU RA5O -12 (x2)
174200 +12 2500  CQ RA5O KO91 (x6)
174700 +16 2498  PU1ABT RA5O -25 (x2)

Decoder S/N history by band

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