RA5CW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: MO85

Receiver-side FT8 activity involving RA5CW, decoded by SO8OO in southeastern Poland. 631 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 43 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-02.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 631 FT8 messages attributed to RA5CW as the transmitting token by decoded message structure across 43 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (47%), followed by 20 m (33%) and 80 m (17%). Most decodes (55%) fell within the six-hour window 14:00-20:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

631

Messages attributed

UTC dates decoded

178

Active 15-min windows

-15 dB

Estimated median S/N

Bands

80m · 106 40m · 297 20m · 207 10m · 21

First attributed message: 2026-06-06
Last attributed message: 2026-10-02 18:25 UTC

Observed FT8 message patterns

Attributed sample: 631 messages
Active dates: 43 UTC dates
Estimated median S/N: -15 dB
Estimated 10th-90th percentile: -22 to -2 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 286, moderate (-15 to -9 dB) 180, strong (≥ -8 dB) 165.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with RA5CW in decoded directed-looking exchanges:

HA7TM · Hungary ×2 EW6PG · Belarus ×2 R2EA/P · European Russia ×2 RA4CPA · European Russia ×2 R6FX · European Russia 4L1MA · Georgia 9H4JX · Malta AE6CH · United States C31VM · Andorra CT7AUT · Portugal DF1OLS · Fed. Rep. of Germany EA3CUU · Spain

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to RA5CW

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator: MO85 · 391 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 3,669 km (approx.)
Last such locator decoded: 2026-10-02 18:24 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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	RA5CW S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-02 18:26	80m	- / -	PA3FPQ	+2 / -	3	Partial capture
10-02 18:24	80m	-1 / -	RX4SA	- / -6	3	✓ Closing fragment
10-02 18:22	80m	+1 / -	EW8AAC	- / -15	4	Partial capture
10-02 18:04	40m	- / -9	TA7MMI	-2 / -	4	Partial capture
10-02 18:00	40m	-11 / -	VJ6X	- / -24	3	✓ Closing fragment
10-02 17:50	40m	-10 / -	JT1DN	- / -	2	Partial capture
10-02 17:45	40m	- / -16	R1BAF	0 / -	2	✓ Closing fragment
10-02 17:41	40m	-15 / -	<...>	- / -	2	Partial capture
10-02 17:38	40m	-16 / -	UC6W	- / -12	5	Partial capture
10-02 17:12	40m	-20 / -	RW0LO	- / -	2	Partial capture
09-28 15:46	40m	-20 / -	UB6LLI	- / -	4	✓ Closing fragment
09-28 15:33	40m	- / 0	EV6Z	-9 / -	4	✓ Closing fragment
09-28 15:30	40m	-17 / -	EI7GUB	-17 / -25	2	✓ Closing observed
09-28 15:20	40m	-16 / -	R0DZ	- / -	4	Partial capture
09-28 14:52	40m	-16 / -	UB4RGZ	- / -	2	Partial capture
09-09 15:15	40m	-16 / -8	HA7JDU	+7 / -8	8	✓ Full exchange observed
09-09 15:13	40m	-13 / -	OH0KCE	- / -	3	Partial capture
09-09 15:12	40m	-14 / -	R6JC	- / -	2	Partial capture
09-09 15:06	40m	-14 / -	AP2AM	- / -22	2	Partial capture
09-01 17:51	80m	- / -	HA1RJ	+6 / -	2	Partial capture
09-01 17:49	80m	-4 / -	RA4CPA	-8 / -5	4	✓ Closing observed
09-01 17:46	80m	-22 / -	RM9WN	- / 0	3	✓ Closing fragment
09-01 17:40	80m	-7 / -	UA1RC	- / -11	3	✓ Closing fragment
09-01 17:38	80m	-4 / -	R0AH	- / -10	2	✓ Closing fragment
09-01 16:20	80m	-12 / -	UF3T	- / -	2	Partial capture
09-01 16:09	40m	-15 / -	JR5XPG	- / -15	2	Partial capture
09-01 16:04	40m	-15 / -	JR5XPG	- / -15	2	Partial capture
08-31 14:54	20m	-2 / -	YC2BHJ	- / -	2	Partial capture
08-31 12:44	20m	-4 / -	PU4RPC	- / -	2	Partial capture
08-30 07:37	20m	+3 / -	IH9YMC	- / -	11	Partial capture
08-30 07:35	20m	+11 / -2	R8QA	-8 / -1	5	✓ Full exchange observed
08-30 06:35	20m	+12 / -	Z62NS	- / -	3	Partial capture
08-30 06:06	20m	-6 / -	Z62NS	- / -	2	Partial capture
08-30 05:59	20m	-7 / -	9H4JX	-18 / -16	4	✓ Closing observed
08-29 16:48	40m	- / 0	UA9MA	0 / -	2	✓ Closing fragment
08-29 16:27	40m	-21 / -	UA3ON	- / -13	3	Partial capture
08-29 16:23	40m	- / -	HA1RJ	-8 / -	5	Partial capture
08-29 16:21	40m	-17 / -6	A93MO	-19 / -12	7	✓ Full exchange observed
08-29 15:54	40m	- / -	RC6OX	+5 / -	5	Partial capture
08-29 15:51	40m	-14 / -	UA6XDA	- / -	2	Partial capture
08-28 18:55	80m	-10 / +7	EW1AFZ	-4 / -	3	✓ Closing observed
08-28 18:42	80m	-6 / -	R1BNF	- / -	2	Partial capture
08-28 18:34	40m	- / -6	EU2AAI	+6 / -	3	✓ Closing fragment
08-28 18:30	40m	- / -6	R4DD	-2 / -	2	Partial capture
08-28 17:23	40m	-3 / +2	EU1TN	-10 / -	2	Partial capture
08-28 16:27	40m	-5 / -	R4YBG	- / -8	4	✓ Closing fragment
08-28 16:12	40m	-14 / -	RU0AOO	- / -18	2	Partial capture
08-28 15:56	20m	-3 / -	LA4VUA	- / -9	3	✓ Closing fragment
08-28 09:23	20m	- / -18	R6NA	+14 / -	2	✓ Closing fragment
08-28 09:12	20m	-3 / -	CT7AUT	- / -10	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
175000  -3 1881  RA4CPA RA5CW 73
175100  -8 1881  UA1ORK RA5CW MO85
175145  +9  512  RA5CW HA1RJ JN87
175300 -10 2802  RA5CW RN4SN RR73
175315  +4  512  RA5CW HA1RJ JN87
182215  +2 1993  EW8AAC RA5CW R-15 (x4)
182445  +2 1917  RX4SA RA5CW MO85 (x3)
182600  +4  446  RA5CW PA3FPQ JO32 (x3)

40m

UTC    dB Audio  Message
174030 -13 1887  UC6W RA5CW R-12
174145 -14 2087  <...> RA5CW MO85 (x2)
174530  +2 2576  RA5CW R1BAF -16 (x2)
175045 -13 2104  JT1DN RA5CW MO85 (x2)
175215  -9 1653  VU3IHP RA5CW MO85
180015 -11 1951  VJ6X RA5CW MO85 (x3)
180445  -5 2029  RA5CW TA7MMI -09 (x4)

20m

UTC    dB Audio  Message
073845  +5 1804  IH9YMC RA5CW MO85 (x9)
080445  -6 1618  R9SEP RA5CW MO85
124400  -2 1845  PU4RPC RA5CW MO85 (x2)
145430  -8 1819  YC2BHJ RA5CW MO85 (x2)
145730  -5 1609  <...> RA5CW MO85

10m

UTC    dB Audio  Message
130715 -24 1772  RA5CW R6FX LN14 (x2)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

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