W4DEE — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving W4DEE, decoded by SO8OO in southeastern Poland. 49 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-18 and 2026-08-28.

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 49 FT8 messages attributed to W4DEE as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (57%), followed by 40 m (39%) and 80 m (4%). Most decodes (100%) fell within the six-hour window 22:00-04:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's moderate S/N range (61%); the estimated median was -14 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-14 dB

Estimated median S/N

Bands

80m · 2 40m · 19 20m · 28

First attributed message: 2026-06-18
Last attributed message: 2026-08-28 23:13 UTC

Observed FT8 message patterns

Attributed sample: 49 messages
Active dates: 6 UTC dates
Estimated median S/N: -14 dB
Estimated 10th-90th percentile: -16 to -8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 14, moderate (-15 to -9 dB) 30, strong (≥ -8 dB) 5.

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 W4DEE in decoded directed-looking exchanges:

R6BY · European Russia R6TJ · European Russia TN8GD · Republic of the Congo UA3PHB · European Russia UR4QFP · Ukraine VE3OZW · Canada DL3MIB · Fed. Rep. of Germany EA5HM · Spain IU8RFW · Italy KR4EEH · United States N3FMC · United States TJ1GD · Cameroon

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.

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	W4DEE S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-28 23:11	20m	-8 / -	<...>	- / -18	5	Partial capture
08-28 23:02	20m	-9 / -	K0BFG	- / -19	3	Partial capture
08-20 00:59	40m	-16 / +6	CT7AUT	-8 / -12	4	Partial capture
08-20 00:59	40m	- / -5	EA5HM	-5 / -	4	✓ Closing fragment
08-20 00:58	40m	-14 / -	KR4EEH	- / -2	2	✓ Closing fragment
08-20 00:54	40m	-14 / -	K2HT	- / -5	2	Partial capture
08-20 00:53	40m	- / -	CT7AUT	-8 / -	2	Partial capture
08-20 00:52	40m	-14 / -	HF7X	- / -16	7	Partial capture
08-20 00:48	40m	-15 / -	TJ1GD	- / -14	6	✓ Closing fragment
08-19 03:42	40m	- / -	YO6LM	-18 / -	2	✓ Closing fragment
08-06 04:07	40m	- / -	YO9IAB	-11 / -	4	Partial capture
08-06 04:00	40m	- / -7	DL3MIB	-5 / -	4	✓ Closing fragment
08-06 03:59	20m	- / -	RA4ABH	-4 / -	2	Partial capture
08-06 03:54	20m	-14 / -	UR4LRG	- / -3	3	Partial capture
08-06 03:48	20m	- / -	HB9TIH	-19 / -	3	Partial capture
08-06 03:47	20m	-16 / -	UA3PHB	- / -7	2	✓ Closing fragment
08-06 03:42	20m	-13 / -	R6TJ	-2 / -14	2	✓ Closing observed
08-06 03:40	20m	-13 / -	R6LIG	- / -12	2	Partial capture
08-06 03:37	20m	-16 / -	UR5FS	- / -4	3	Partial capture
08-05 00:14	40m	- / -	SV1MOZ	-19 / -	2	Partial capture
08-04 01:06	80m	- / -7	VP2MAA	-15 / -	4	Partial capture
07-28 22:52	20m	- / -10	TN8GD	-10 / -	2	✓ Closing fragment
07-07 00:02	20m	- / -	IK2LRF	-11 / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
005615 -13 1090  HF7X W4DEE -16 (x3)
005815 -12 1090  N3FMC W4DEE 73
005845 -14 1091  KR4EEH W4DEE -02 (x2)
005930  -3  940  W4DEE EA5HM IM99
005945 -16 1090  CT7AUT W4DEE -12
010000  -8  939  W4DEE EA5HM IM99 (x3)
010100  -6 1247  W4DEE CT7AUT R+06 (x3)
033600 -21 1429  W4DEE IU8RFW 73

20m

UTC    dB Audio  Message
035545 -16 1023  UR4LRG W4DEE R-03 (x2)
035715 -16 1024  IU2UFG W4DEE -15
035900  -5 1023  W4DEE RA4ABH LO20 (x2)
204100 -14 1578  W4DEE IZ5BLN R-10
225500  -7 1360  <...> W4DEE -05
230200 -10 1361  K0BFG W4DEE -19 (x3)
231100 -10 1359  <...> W4DEE -18 (x5)

80m

UTC    dB Audio  Message
010615 -14  966  W4DEE VP2MAA -07 (x4)
010415 -21  956  OJ0YL W4DEE -19

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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