W2GMW — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: FM18

Receiver-side FT8 activity involving W2GMW, decoded by SO8OO in southeastern Poland. 40 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 13 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-09-13.

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 40 FT8 messages attributed to W2GMW as the transmitting token by decoded message structure across 13 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (48%), followed by 40 m (40%) and 80 m (13%). 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 -15 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-15 dB

Estimated median S/N

Bands

80m · 5 40m · 16 20m · 19

First attributed message: 2026-06-07
Last attributed message: 2026-09-13 00:03 UTC

Observed FT8 message patterns

Attributed sample: 40 messages
Active dates: 13 UTC dates
Estimated median S/N: -15 dB
Estimated 10th-90th percentile: -21 to -8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 18, moderate (-15 to -9 dB) 17, 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 W2GMW in decoded directed-looking exchanges:

YO4NF · Romania ×2 9K2YM · Kuwait EA4FVT · Spain TN8GD · Republic of the Congo UT7UJ · Ukraine WD4CNO · United States 4X1UF · Israel A71UN · Qatar A71XX · Qatar DJ0MAB · Fed. Rep. of Germany DL1UDO · Fed. Rep. of Germany EA1IOK · 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 W2GMW

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: FM18 · 21 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 7,390 km (approx.)
Last such locator decoded: 2026-09-12 23:56 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	W2GMW S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-12 23:55	40m	-13 / -	8P6PD	- / -	3	Partial capture
09-08 03:14	80m	- / -	9A5E	+5 / -	2	Partial capture
09-08 03:11	80m	- / -	F5RRS	-12 / -	2	Partial capture
09-08 03:02	80m	- / -18	DK7ZT	-4 / -	5	Partial capture
09-08 03:02	80m	- / -19	YO4NF	-4 / -	3	✓ Closing fragment
09-08 03:01	80m	-20 / -	KS1WK	- / -19	2	Partial capture
09-05 23:39	40m	-21 / -	SV9QWC	- / -	2	Partial capture
09-05 23:35	40m	-19 / -13	DL1UDO	-5 / -17	5	✓ Full exchange observed
09-05 23:30	40m	- / -	ON5WR	-1 / -	3	Partial capture
09-05 23:23	40m	-15 / -7	OU7K/P	+12 / -3	4	✓ Full exchange observed
09-02 01:45	40m	- / -11	A41KB	-6 / -	2	Partial capture
09-02 01:08	40m	- / -	F8MRQ	-1 / -	4	Partial capture
09-02 01:07	40m	-20 / -	ER3ZW	- / -15	2	✓ Closing fragment
08-30 00:13	40m	- / -17	DJ0MAB	-12 / -	4	✓ Closing fragment
08-30 00:04	40m	- / -16	EA1IOK	-12 / -	2	✓ Closing fragment
08-28 01:33	40m	-14 / -	CA6SNT	- / -	4	Partial capture
08-24 01:21	80m	-7 / -	SP6JIU	- / -	3	Partial capture
07-31 00:43	20m	-14 / -	A41ZZ	- / -12	2	Partial capture
07-31 00:40	20m	-18 / -	SV5BYP	- / -	2	Partial capture
07-29 01:30	40m	- / -	DJ0MAB	-7 / -	3	Partial capture
07-27 00:16	40m	- / -	OK2SPZ	-4 / -	2	Partial capture
07-27 00:15	40m	- / -10	US2UM	-13 / -	4	Partial capture
07-27 00:07	40m	- / -	EB1LA	-18 / -	3	Partial capture
07-26 23:59	40m	- / -13	R2AL	+2 / -	6	Partial capture
07-26 23:58	40m	- / -7	S58N	-15 / -	2	✓ Closing fragment
07-26 23:51	40m	- / -15	A71XX	-3 / -	5	✓ Closing fragment
07-26 23:33	40m	- / -	UA4FKT	-11 / -	4	Partial capture
07-26 01:38	40m	- / -16	F1PBZ	-8 / -	2	Partial capture
07-26 00:37	40m	- / -10	OO0O	-6 / -	2	✓ Closing fragment
07-26 00:36	40m	- / -	PD1HBL	-13 / -	3	Partial capture
07-25 23:10	40m	- / -16	LZ3CB	+6 / -	2	✓ Closing fragment
07-21 00:21	20m	- / -13	EA4FVT	-20 / -	4	✓ Closing fragment
07-20 23:37	20m	-9 / -12	T77RN	-2 / -16	3	Partial capture
07-20 21:16	20m	- / -12	TN8GD	-8 / -	2	✓ Closing fragment
07-19 22:50	20m	- / -19	A61OK	-17 / -	6	Partial capture
07-17 20:06	20m	- / -24	UT7UJ	+7 / -	3	✓ Closing fragment
07-12 00:21	20m	- / 0	9K2YM	-3 / -	3	✓ Closing fragment
07-12 00:16	20m	- / -13	UR9QQ	-21 / -	2	Partial capture
07-05 01:25	40m	- / -13	A71UN	-18 / -	3	✓ Closing fragment
06-24 02:53	40m	- / -	9A4ZM	-14 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
233045  +1 1733  W2GMW ON5WR JO20 (x2)
233545  -1 1282  W2GMW DL1UDO -13 (x2)
233630 -20 1684  SV9QWC W2GMW FM18
233645  -9 1282  W2GMW DL1UDO -13
233700 -19 1685  DL1UDO W2GMW R-17
233715  -6 1282  W2GMW DL1UDO RR73
233900 -24 1684  SV9QWC W2GMW FM18 (x2)
024945 -13  695  W2GMW IK6DLK JN63
235545 -13  853  8P6PD W2GMW FM18 (x3)
000345 -10  853  WA2HMM W2GMW RR73

80m

UTC    dB Audio  Message
012245  -8 2904  SP6JIU W2GMW FM18
030115 -17 1914  KS1WK W2GMW FM18 (x2)
030230  -5 1916  W2GMW YO4NF -19
030230  -6 1114  W2GMW DK7ZT -18
030300  -3 1916  W2GMW YO4NF -19
030300  -7 1114  W2GMW DK7ZT -18
030330  -3 1915  W2GMW YO4NF RR73
030330 -10 1114  W2GMW DK7ZT -18 (x3)
031145 -11 1995  W2GMW F5RRS JN36 (x2)
031415  +6 2975  W2GMW 9A5E JN75 (x2)

20m

UTC    dB Audio  Message
233730  -2  577  W2GMW T77RN -12 (x2)
233945  -9  577  T77RN W2GMW R-16
002115 -19 1349  W2GMW EA4FVT -13
002130 -18 1044  K1BMW W2GMW FM18
002145 -19 1349  W2GMW EA4FVT -13 (x3)
020045 -12  806  W2GMW 7Z1BQ -17
222230 -18 2473  W2GMW EI9KF +00
004045 -17 1438  SV5BYP W2GMW FM18 (x2)
004315 -14  991  A41ZZ W2GMW R-12 (x2)
002600 -13  658  W2GMW WD4CNO 73

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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