RW3CW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: MO69

Receiver-side FT8 activity involving RW3CW, decoded by SO8OO in southeastern Poland. 37 FT8 messages attributed to this token as transmitter, on 160m, 80m, across 2 UTC dates in the available aggregate history. Observed between 2026-09-18 and 2026-09-19.

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 37 FT8 messages attributed to RW3CW as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (92%), followed by 160 m (8%). In this small sample, the estimated median decoder S/N was +1 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

+1 dB

Estimated median S/N

Bands

160m · 3 80m · 34

First attributed message: 2026-09-18
Last attributed message: 2026-09-19 17:35 UTC

Observed FT8 message patterns

Attributed sample: 37 messages
Active dates: 2 UTC dates
Estimated median S/N: +1 dB
Estimated 10th-90th percentile: -13 to +6 dB
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 2, moderate (-15 to -9 dB) 4, strong (≥ -8 dB) 31.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with RW3CW in decoded directed-looking exchanges:

R3RRC/P · European Russia RI1FJZ · Franz Josef Land

Most frequent locator attributed to RW3CW

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: MO69 · 25 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 3,360 km (approx.)
Last such locator decoded: 2026-09-19 16:11 UTC

Other locator fields attributed to this token: MJ69 (7).

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	RW3CW S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-19 17:36	80m	- / -	EA3BS	0 / -	2	Partial capture
09-19 17:34	80m	-14 / -	R3RRC/P	+3 / 0	4	✓ Closing observed
09-19 17:33	80m	-18 / -	KH8WW	- / -	2	Partial capture
09-19 17:05	80m	-8 / -	KH8WW	- / -	2	Partial capture
09-19 16:56	80m	- / 0	DK7ZT	-10 / -	4	Partial capture
09-19 16:53	80m	+6 / -	RI1FJZ	- / -18	4	✓ Closing fragment
09-19 16:11	80m	+2 / +1	RN3TT	-13 / -	2	Partial capture
09-19 16:07	80m	- / -	OH3NXW	+24 / -	3	Partial capture
09-19 16:06	80m	- / -	R9WJ	-4 / -	2	Partial capture
09-19 16:05	80m	0 / -	R3RRC/P	- / -	5	Partial capture
09-19 16:03	80m	+1 / -	RI1FJZ	- / -	3	Partial capture
09-19 16:01	80m	- / -	UB4FGK	-3 / -	2	Partial capture
09-19 15:54	80m	- / -	OH3NXW	+19 / -	6	Partial capture
09-19 15:53	80m	+3 / -	R3RRC/P	- / -	14	Partial capture
09-18 22:25	160m	-3 / +4	RI1FJZ	-22 / -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
165700 -11 1148  RW3CW DK7ZT +00 (x2)
165800  -4  656  RW3CW R6ZEJ KN98
165800  -5 1148  RW3CW DK7ZT +00
170545  -4 1306  KH8WW RW3CW MJ69 (x4)
173415 -15 1307  R3RRC/P RW3CW MJ69 (x2)
173500  +3 2365  RW3CW R3RRC/P RR73
173515 -11 1306  R3RRC/P RW3CW 73
173600  +3 1169  RW3CW R3LAF +01
173600  -1 2733  RW3CW EA3BS JN01 (x2)

160m

UTC    dB Audio  Message
222515  -3 1047  RI1FJZ RW3CW MO69 (x2)
222630 -22 1156  RW3CW RI1FJZ +04
222700 -23 1157  RW3CW RR73; DF2GH <...> -16
222745  +1 1048  RI1FJZ RW3CW R-11

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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