F4JXL — 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: France Most frequent locator attributed to this token: IN94

Receiver-side FT8 activity involving F4JXL, decoded by SO8OO in southeastern Poland. 156 FT8 messages attributed to this token as transmitter, on 40m, across 4 UTC dates in the available aggregate history. Observed between 2026-10-31 and 2026-11-04.

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 156 FT8 messages attributed to F4JXL as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). Most decodes (96%) fell within the six-hour window 19:00-01:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

156

Messages attributed

UTC dates decoded

Active 15-min windows

-12 dB

Estimated median S/N

Bands

40m · 156

First attributed message: 2026-10-31
Last attributed message: 2026-11-04 19:22 UTC

Observed FT8 message patterns

Attributed sample: 156 messages
Active dates: 4 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) 52, moderate (-15 to -9 dB) 60, strong (≥ -8 dB) 44.

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 F4JXL in decoded directed-looking exchanges:

CT3IQ · Madeira Islands ×2 LY2KM · Lithuania ×2 9A4ZM · Croatia CU6AB · Azores DA0M · Fed. Rep. of Germany DJ1TU · Fed. Rep. of Germany DK4RH · Fed. Rep. of Germany F5PBG · France IU8UHK · Italy M0BEW · England ON3MOH · Belgium OZ7DR · Denmark

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 F4JXL

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: IN94 · 40 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,816 km (approx.)
Last such locator decoded: 2026-11-04 19:17 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	F4JXL S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-02 21:40	40m	-18 / -	SV5BYP	- / -	4	Partial capture
11-02 21:23	40m	-24 / -	ES2EZ	- / -	2	Partial capture
11-02 20:57	40m	-23 / -	4X1UF	- / -6	2	Partial capture
11-02 20:52	40m	-18 / -	YO2MKE	- / -3	2	Partial capture
11-02 20:45	40m	-17 / -	SV9GPV	- / -8	5	Partial capture
11-02 19:45	40m	-18 / -5	M0BEW	-8 / +7	4	✓ Full exchange observed
11-02 19:44	40m	-16 / -	GU4WRP	- / -17	2	Partial capture
11-02 19:40	40m	-21 / -	SP5GEO	- / -9	4	✓ Closing fragment
11-02 19:38	40m	- / -	EA7UW	-8 / -	2	Partial capture
11-02 19:33	40m	-18 / -	DA0M	- / -7	2	✓ Closing fragment
11-02 19:30	40m	-21 / -23	SV5BYP	-18 / -6	7	✓ Full exchange observed
11-02 18:11	40m	- / -5	DJ1TU	-4 / -	5	✓ Closing fragment
11-02 18:00	40m	-17 / -13	SV1DKR	-11 / -	3	✓ Closing observed
11-02 17:48	40m	-21 / -	LZ1DPP	- / -4	2	Partial capture
11-02 17:46	40m	- / +1	PA3BMB	-14 / -	2	Partial capture
11-02 17:46	40m	- / -	PG0T	-2 / -	11	Partial capture
11-01 15:55	40m	- / -	DK7UY	-4 / -	4	Partial capture
11-01 15:52	40m	-17 / -10	T77RN	-12 / -2	4	Partial capture
11-01 09:00	40m	- / -	HB9ETN	-18 / -	2	Partial capture
11-01 00:18	40m	-15 / -12	CT3IQ	-16 / -	5	✓ Full exchange observed
11-01 00:13	40m	-12 / -	W2CG	- / -8	3	Partial capture
11-01 00:10	40m	-10 / -1	F5PBG	-1 / +10	4	✓ Full exchange observed
11-01 00:05	40m	-13 / -	YO2MKE	- / -2	5	✓ Closing fragment
11-01 00:02	40m	-9 / -	RA3ZDU	- / -	2	✓ Closing fragment
10-31 23:56	40m	-13 / -9	CU6AB	-10 / +4	4	✓ Full exchange observed
10-31 23:54	40m	-10 / -	W2CG	- / -9	2	Partial capture
10-31 23:51	40m	-6 / -	UR4QWW	-20 / -4	5	✓ Closing observed
10-31 23:51	40m	-4 / -	SQ3MQD	- / -6	2	✓ Closing fragment
10-31 23:46	40m	+3 / -	IU8UHK	- / 0	3	✓ Closing fragment
10-31 23:44	40m	+6 / -15	TA1MB	-4 / -2	5	✓ Full exchange observed
10-31 23:43	40m	+4 / -	US2YW	- / -	2	✓ Closing fragment
10-31 23:41	40m	-8 / -	K1XO	- / +1	2	Partial capture
10-31 23:37	40m	- / -	RZ4FWA	-14 / -	4	Partial capture
10-31 23:36	40m	-12 / -	SP7TF	- / +7	2	✓ Closing fragment
10-31 23:33	40m	-2 / -	SP6AXW	- / +9	2	✓ Closing fragment
10-31 23:29	40m	-9 / -	PD0LBY	- / -1	3	✓ Closing fragment
10-31 23:26	40m	-10 / -	ON3MOH	- / -3	6	✓ Closing fragment
10-31 23:24	40m	-8 / -	PD2BKB	- / -13	3	Partial capture
10-31 22:45	40m	-14 / -	A60FD/5	- / -2	2	Partial capture
10-31 22:42	40m	-6 / -	F4HBV	- / -9	3	Partial capture
10-31 22:12	40m	-9 / -	UN0GY	- / +4	3	Partial capture
10-31 22:10	40m	-10 / -	SM4UPU	- / -7	2	Partial capture
10-31 22:06	40m	-16 / -	CT7AXN	- / -18	3	Partial capture
10-31 21:59	40m	-12 / -	A60FD/5	- / +2	2	Partial capture
10-31 21:51	40m	-12 / -	WE2A	- / -10	2	Partial capture
10-11 18:43	40m	- / -15	DK7ZT	-11 / -	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
205730 -24 2109  4X1UF F4JXL -06
210330 -11 1273  LY2KM F4JXL RR73
211530 -14  702  YO2MKE F4JXL -13 (x2)
212330 -24 1898  ES2EZ F4JXL IN94 (x2)
213845 -24 1649  4Z4WN F4JXL IN94
213945 -21 1653  EA8UP F4JXL IN94
214045 -17 1447  SV5BYP F4JXL IN94 (x5)
191700 -16  239  4X1UF F4JXL IN94
192230 -19 2236  LY2KM F4JXL 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.

CW

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

Explore CW reception at SO8OO

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