W4EMI — 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: EL98

Receiver-side FT8 activity involving W4EMI, decoded by SO8OO in southeastern Poland. 29 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 3 UTC dates in the available aggregate history. Observed between 2026-06-14 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 29 FT8 messages attributed to W4EMI as the transmitting token by decoded message structure across 3 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (55%), followed by 40 m (45%). In this small sample, the estimated median decoder S/N was -16 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-16 dB

Estimated median S/N

Bands

40m · 13 20m · 16

First attributed message: 2026-06-14
Last attributed message: 2026-09-12 23:43 UTC

Observed FT8 message patterns

Attributed sample: 29 messages
Active dates: 3 UTC dates
Estimated median S/N: -16 dB
Estimated 10th-90th percentile: -20 to -9 dB
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 17, moderate (-15 to -9 dB) 12, strong (≥ -8 dB) 0.

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 W4EMI in decoded directed-looking exchanges:

DL8HXP · Fed. Rep. of Germany F1PBZ · France F4EMG · France K3ATA · United States KP4COD · Puerto Rico PA2RO · Netherlands SP9CLQ · Poland AK4R · United States DD6WF · Fed. Rep. of Germany HB9CXZ · Switzerland SV8JE · Greece TF3VS · Iceland

Most frequent locator attributed to W4EMI

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: EL98 · 12 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 8,464 km (approx.)
Last such locator decoded: 2026-09-12 23:43 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	W4EMI S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-14 07:54	40m	- / -15	LA8ENA	-18 / -	4	Partial capture
09-13 04:34	40m	- / -	ON9MD	-18 / -	13	Partial capture
09-12 23:47	40m	- / -	TA2EE	-23 / -	2	Partial capture
09-12 23:45	40m	- / -	F3CJ	-11 / -	4	Partial capture
09-12 23:42	40m	- / -	F3CJ	-13 / -	2	Partial capture
09-12 23:40	40m	- / -12	DL8HXP	-9 / -	3	✓ Closing fragment
09-12 23:40	40m	- / -	PA2JPD	-8 / -	2	Partial capture
09-12 23:37	40m	- / -	F4NJZ	-8 / -	3	Partial capture
09-12 23:37	40m	- / -15	UA6CE	+4 / -	2	Partial capture
09-12 23:36	40m	-20 / -	KP4COD	-10 / -3	3	✓ Closing observed
09-12 23:34	40m	-20 / -	K3ATA	- / -5	2	✓ Closing fragment
09-12 23:34	40m	- / -	F4ACR	-2 / -	3	Partial capture
09-12 23:33	40m	- / -	RN6LPC	0 / -	2	Partial capture
09-12 23:33	40m	-18 / -	SP9CLQ	- / -5	2	✓ Closing fragment
09-12 23:27	40m	- / -13	F1PBZ	-1 / -	4	✓ Closing fragment
09-12 07:18	40m	- / -	DJ0MAB	-2 / -	2	Partial capture
09-12 07:15	40m	- / -	DL7GAL	-2 / -	3	Partial capture
09-12 07:12	40m	- / -	PD0WL	-18 / -	7	Partial capture
09-12 07:09	40m	- / -	DL7GAL	-7 / -	6	Partial capture
09-12 07:06	40m	- / -12	PA2RO	-5 / -	3	✓ Closing fragment
09-12 06:53	40m	- / -	PD0WL	-16 / -	9	Partial capture
09-12 06:51	40m	- / -19	G0JEI	-11 / -	4	Partial capture
09-12 06:45	40m	- / -12	F4EMG	-4 / -	3	✓ Closing fragment
09-12 06:28	80m	- / -	F4UJU	-22 / -	3	Partial capture
09-05 02:07	80m	- / -	F5PBG	0 / -	4	Partial capture
09-05 02:03	80m	- / -16	F1PBZ	-1 / -	3	Partial capture
08-24 01:44	80m	- / +1	K1HC	-17 / -	2	Partial capture
08-24 01:39	80m	- / -20	MM0KQC	-8 / -	4	Partial capture
08-24 01:32	80m	- / +1	AK4R	-6 / -	2	✓ Closing fragment
08-20 00:52	20m	- / -11	7Z1DM	-15 / -	3	Partial capture
08-20 00:46	20m	- / -12	7Z1DM	-9 / -	3	Partial capture
08-20 00:46	20m	- / -6	F1PBZ	+6 / -	4	Partial capture
08-19 00:47	80m	- / -	F5MYK	-14 / -	2	Partial capture
08-19 00:46	80m	- / -24	HB9CXZ	+11 / -	5	✓ Closing fragment
08-17 02:01	80m	- / -	EA3AKY	-12 / -	3	Partial capture
08-17 01:56	80m	- / -19	SV8JE	+16 / -	4	✓ Closing fragment
08-16 01:49	80m	- / +3	F1PBZ	+3 / -	4	Partial capture
08-16 01:49	80m	- / -	F5PBG	-6 / -	5	Partial capture
08-16 01:42	80m	- / -24	DD6WF	+17 / -	4	✓ Closing fragment
08-16 01:38	80m	- / -17	TF3VS	+2 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
043530 -18 1788  W4EMI ON9MD JO21 (x11)
075400 -17 1744  W4EMI LA8ENA -15 (x4)

80m

UTC    dB Audio  Message
014015  -8 1450  W4EMI MM0KQC -20 (x2)
014415 -16 1109  W4EMI K1HC FN53 (x2)
015215 -18 2303  W4EMI KV1J R-14
020345  -1 2403  W4EMI F1PBZ -16 (x3)
020745  -1  940  W4EMI F5PBG IN78 (x4)
062845 -24 1791  W4EMI F4UJU JN06 (x3)

20m

UTC    dB Audio  Message
004615  +8 2917  W4EMI F1PBZ -06 (x2)
004645  -6 1037  W4EMI 7Z1DM -12
004715  +3 2917  W4EMI F1PBZ -06
004715 -10 1037  W4EMI 7Z1DM -12
004745  +4 2917  W4EMI F1PBZ -06
004745 -10 1037  W4EMI 7Z1DM -12
005045  +3  464  W4EMI IK4LZH R+04
005245 -18 1038  W4EMI 7Z1DM -11 (x3)

CW

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

Explore CW reception at SO8OO

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