F5UGX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Most frequent locator attributed to this token: JO10

Receiver-side FT8 activity involving F5UGX, decoded by SO8OO in southeastern Poland. 80 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 10 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 80 FT8 messages attributed to F5UGX as the transmitting token by decoded message structure across 10 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (61%), followed by 10 m (23%) and 60 m (13%). Several six-hour UTC windows tied for the largest share (74%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-11 dB

Estimated median S/N

Bands

80m · 2 60m · 10 40m · 49 20m · 1 10m · 18

First attributed message: 2026-06-07
Last attributed message: 2026-09-13 17:21 UTC

Observed FT8 message patterns

Attributed sample: 80 messages
Active dates: 10 UTC dates
Estimated median S/N: -11 dB
Estimated 10th-90th percentile: -20 to -5 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 29, moderate (-15 to -9 dB) 23, strong (≥ -8 dB) 28.

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 F5UGX in decoded directed-looking exchanges:

RC9WC · Asiatic Russia ×2 LY8O · Lithuania ×2 GJ0KYZ · Jersey DG5NAB · Fed. Rep. of Germany DK3WL · Fed. Rep. of Germany EA1AEC · Spain F4MXT · France IK0CHU · Italy OE8PIT · Austria PA0APR · Netherlands PF7DKW · Netherlands DL3RN · Fed. Rep. of Germany

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 F5UGX

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: JO10 · 46 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,335 km (approx.)
Last such locator decoded: 2026-09-13 17:21 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	F5UGX S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-13 17:31	60m	- / -	LB9VH	-22 / -	2	Partial capture
09-13 17:31	60m	- / -	DL4YDR	-17 / -	3	✓ Closing fragment
09-13 17:25	60m	- / -11	LY8O	-2 / -	8	✓ Closing fragment
09-13 17:24	60m	- / +8	OZ9FF	+1 / -	4	✓ Closing fragment
09-13 17:21	60m	- / 0	IW2FUT	-14 / -	4	✓ Closing fragment
09-13 17:18	60m	- / -15	YO4NT	+5 / -	3	✓ Closing fragment
09-10 17:08	40m	- / -	S51PV	-7 / -	3	Partial capture
09-09 18:17	40m	- / -	IV3VFP	-2 / -	8	Partial capture
09-09 18:17	40m	- / -7	R5AV	+4 / -	2	Partial capture
09-09 18:03	40m	-10 / -1	OE8PIT	-1 / -16	11	✓ Full exchange observed
09-09 17:59	40m	-4 / -14	RC9WC	0 / -9	5	✓ Full exchange observed
09-09 17:56	40m	-7 / -	PA0APR	- / -	3	✓ Closing fragment
09-09 17:52	40m	- / -	RX9ABI	-14 / -	5	Partial capture
09-09 17:51	40m	- / -	S51PV	-11 / -	6	Partial capture
09-08 17:21	40m	- / -3	DK3WL	-4 / -	3	✓ Closing fragment
09-08 16:41	40m	- / -1	F4MXT	-12 / -	2	✓ Closing fragment
09-08 16:40	40m	- / -	S51PV	-8 / -	7	Partial capture
09-08 16:32	40m	-18 / -	DG5NAB	- / -17	3	✓ Closing fragment
09-08 16:30	40m	- / -	DL3TC	+14 / -	2	Partial capture
09-08 11:04	40m	- / +2	IK0CHU	-8 / -	4	✓ Closing fragment
09-06 19:06	60m	- / -	DC7MA	-13 / -	5	Partial capture
09-06 19:02	60m	- / -4	IK4CBO	-6 / -	8	✓ Closing fragment
09-06 19:02	60m	- / -9	HA7TM	+13 / -	4	✓ Closing fragment
09-06 18:43	80m	- / -10	DO7FJK	-11 / -	6	✓ Closing fragment
09-06 18:39	80m	- / -	DL1UDO	-4 / -	3	✓ Closing fragment
09-06 07:32	40m	-8 / -	EG1PDA	- / -7	4	Partial capture
09-05 17:15	60m	- / -	LA4O	-14 / -	2	Partial capture
09-05 17:14	60m	- / -	DL3BQA	-1 / -	3	Partial capture
09-05 17:14	60m	-11 / -5	DL3RN	-18 / -	4	✓ Closing observed
09-05 17:03	60m	-16 / -9	HA5AZD	-4 / -	6	✓ Closing observed
09-05 16:58	60m	- / -4	DL4ABN	0 / -	4	✓ Closing fragment
09-05 16:47	40m	- / -	PH9OY	-11 / -	2	Partial capture
09-05 07:35	40m	-6 / -	EA1AEC	- / -11	6	✓ Closing fragment
09-05 07:17	40m	- / -20	S51PV	-16 / -	9	Partial capture
09-05 07:16	40m	- / -	OE6TNO	-2 / -	7	Partial capture
09-05 07:09	40m	- / -	DH7TS	+4 / -	2	Partial capture
07-12 06:20	40m	- / -	SP3IPA	-15 / -	3	Partial capture
07-11 09:41	20m	- / -	DK7UY	-19 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
172545  +0 1383  F5UGX LY8O KO25
172545 -24 1833  F5UGX LB9VH JP32
172615  +0 2314  F5UGX OZ9FF RR73
172615  +1 1383  F5UGX LY8O KO25 (x5)
173115 -18 1133  F5UGX DL4YDR JO32
173145  -1 1383  F5UGX LY8O 73
173145 -21 1833  F5UGX LB9VH JP32
173145 -17 1134  F5UGX DL4YDR R+11 (x2)
173245 -22 1833  F5UGX LB9VH JP32
173715  -6  691  F5UGX ON6AA JO11

40m

UTC    dB Audio  Message
181730  +1 1225  F5UGX R5AV -08
181730  +0 1535  F5UGX IV3VFP JN66 (x8)
170800 -14 1226  CQ F5UGX JO10
170815  -7 2221  F5UGX S51PV JN76
170830 -18 1226  CQ F5UGX JO10
170845  -9 2221  F5UGX S51PV JN76 (x2)
170930 -21 1226  CQ F5UGX JO10

80m

UTC    dB Audio  Message
180445  -8 2697  CQ F5UGX JO10
180500  +6 1759  F5UGX IQ4JO JN63
183945  -3 1428  F5UGX DL1UDO JO31
184145 -23 1506  F5UGX DO2DH JO54
184145  -5 1428  F5UGX DL1UDO 73 (x2)
184345  -8 1427  F5UGX DO7FJK JO53 (x2)
184445 -21 2778  F5UGX 2E0LMA IO81
184515 -14 2236  F5UGX DO7FJK R-10 (x4)
185230 -24 1427  CQ F5UGX JO10
185445  -6 1408  F5UGX DO2YJG JO31

20m

UTC    dB Audio  Message
094130 -21 1406  F5UGX DK7UY JO44 (x2)
105415 -10  681  F5UGX GJ0KYZ RR73
135345 -14  696  F5UGX R1LP KO59

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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