WD4DIY — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EM96

Receiver-side FT8 activity involving WD4DIY, decoded by SO8OO in southeastern Poland. 45 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-09-12.

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 45 FT8 messages attributed to WD4DIY as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (87%), followed by 80 m (9%) and 40 m (4%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-12 dB

Estimated median S/N

Bands

80m · 4 40m · 2 20m · 39

First attributed message: 2026-06-10
Last attributed message: 2026-09-12 01:44 UTC

Observed FT8 message patterns

Attributed sample: 45 messages
Active dates: 5 UTC dates
Estimated median S/N: -12 dB
Estimated 10th-90th percentile: -21 to -4 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 13, moderate (-15 to -9 dB) 23, strong (≥ -8 dB) 9.

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 WD4DIY in decoded directed-looking exchanges:

CT2HEX · Portugal K4FB · United States KA1BMF · United States KB4SYV · United States NA2NY · United States VO1AW · Canada W1DRC · United States W3US · United States W5TRL · United States WE8M · United States VP2MAA · Montserrat W3SW · United States

Most frequent locator attributed to WD4DIY

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: EM96 · 17 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 7,793 km (approx.)
Last such locator decoded: 2026-09-12 01:44 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	WD4DIY S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-23 00:39	40m	- / -9	KC1GNH	-16 / -	4	Partial capture
09-23 00:35	40m	- / -	K4FB	-16 / -	2	✓ Closing fragment
09-23 00:30	40m	- / +2	W5TRL	-20 / -	2	✓ Closing fragment
09-23 00:15	40m	- / -7	K2CAF	-6 / -	7	Partial capture
09-23 00:12	40m	- / -	WE8M	-7 / -	2	✓ Closing fragment
09-23 00:03	40m	- / -9	KB4SYV	-14 / -	2	✓ Closing fragment
09-23 00:01	40m	- / -13	KA1BMF	-10 / -	2	✓ Closing fragment
09-22 23:51	40m	- / -10	WE8M	-8 / -	5	Partial capture
09-21 23:52	40m	- / -	F4BYA	+8 / -	3	Partial capture
09-21 23:35	40m	- / +10	W1DRC	-22 / -	2	✓ Closing fragment
09-20 00:28	40m	- / -	F4BYA	+14 / -	2	Partial capture
09-20 00:22	40m	- / -	F5NBU	+9 / -	2	Partial capture
09-19 23:34	40m	- / -	F5NBU	0 / -	3	Partial capture
09-19 00:55	40m	- / -	KN0BLE	-20 / -	2	Partial capture
09-19 00:41	40m	- / -	CT2HEX	-12 / -	3	✓ Closing fragment
09-19 00:08	40m	- / -	CT2HEX	-14 / -	4	Partial capture
09-19 00:06	40m	- / -2	W3US	-18 / -	4	✓ Closing fragment
09-19 00:03	40m	- / -	W3US	-21 / -	2	Partial capture
09-17 00:43	40m	- / -3	VO1AW	-12 / -	4	✓ Closing fragment
09-17 00:19	40m	- / -	W8ATE	-19 / -	6	Partial capture
09-12 01:47	40m	- / -	UR4QWW	-22 / -	2	Partial capture
09-12 01:46	40m	- / -	IW9FRA	-8 / -	10	Partial capture
09-12 01:08	40m	- / -	LZ2VQ	-11 / -	3	Partial capture
08-04 01:46	80m	-21 / -	WB4HAM	- / +8	2	✓ Closing fragment
08-04 01:44	80m	-19 / -	W3SW	- / -	2	✓ Closing fragment
08-04 01:41	80m	- / -3	VP2MAA	-8 / -	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
001530  -4 2943  WD4DIY K2CAF -07 (x6)
003000 -19 1813  WD4DIY W5TRL R+02 (x2)
003200  -8 1024  WD4DIY KN0BLE EL98
003500 -15 2189  WD4DIY K4FB EL97 (x2)
003900 -16 2081  WD4DIY KC1GNH FN43 (x4)

80m

UTC    dB Audio  Message
014115  -6  965  WD4DIY VP2MAA -03 (x2)
014430 -22  857  W3SW WD4DIY EM96 (x2)
014600 -21  857  WB4HAM WD4DIY +08 (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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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