F4LAO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Most frequent locator attributed to this token: JN16

Receiver-side FT8 activity involving F4LAO, decoded by SO8OO in southeastern Poland. 22 FT8 messages attributed to this token as transmitter, on 40m, 20m, 10m, across 4 UTC dates in the available aggregate history. Observed between 2026-08-21 and 2026-08-29.

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 22 FT8 messages attributed to F4LAO as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 10 m (50%), followed by 40 m (32%) and 20 m (18%). Most decodes (95%) fell within the six-hour window 14:00-20:00 UTC. 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

40m · 7 20m · 4 10m · 11

First attributed message: 2026-08-21
Last attributed message: 2026-08-29 15:55 UTC

Observed FT8 message patterns

Attributed sample: 22 messages
Active dates: 4 UTC dates
Estimated median S/N: -15 dB
Estimated 10th-90th percentile: -23 to -6 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 10, moderate (-15 to -9 dB) 8, strong (≥ -8 dB) 4.

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 F4LAO in decoded directed-looking exchanges:

DC5CH · Fed. Rep. of Germany R6YBU · European Russia UT7UJ · Ukraine YO5PHL · Romania DD1ZQ · Fed. Rep. of Germany DJ1OJ · Fed. Rep. of Germany DK3WL · Fed. Rep. of Germany DL9DE · Fed. Rep. of Germany G6PWS · England M9PCA · England ON1DGN · Belgium PH7GD · Netherlands

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 F4LAO

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: JN16 · 8 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,439 km (approx.)
Last such locator decoded: 2026-08-29 15:54 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	F4LAO S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-22 15:39	40m	- / -11	ON1DGN	-9 / -	2	✓ Closing fragment
09-06 14:08	40m	- / +8	F5LVR	-18 / -	2	Partial capture
09-06 14:02	40m	- / +4	DL9DE	-12 / -	6	✓ Closing fragment
09-06 14:00	40m	- / -7	OK2JNX	-12 / -	5	Partial capture
08-29 15:51	40m	- / -12	SP3JHZ	-4 / -	2	Partial capture
08-28 16:30	40m	- / +1	DK3WL	-3 / -	2	✓ Closing fragment
08-28 16:27	40m	- / -10	DD1ZQ	-11 / -	3	✓ Closing fragment
08-25 20:06	40m	- / -2	DJ1OJ	+9 / -	5	✓ Closing fragment
08-25 20:03	40m	- / -16	G6PWS	+7 / -	5	✓ Closing fragment
08-25 19:58	40m	- / -16	SP6EFY	+1 / -	3	✓ Closing fragment
08-25 19:52	40m	-13 / -	UA4FKT	-5 / -25	2	Partial capture
08-21 14:36	10m	-14 / -	R6YBU	- / -15	3	✓ Closing fragment
08-21 14:35	10m	-19 / -	DC5CH	- / -4	2	✓ Closing fragment
08-21 14:33	10m	-19 / -20	IK1RQX	0 / -10	10	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
140045 -18 1540  F4LAO OK2JNX JN89 (x2)
140215 -11 1477  F4LAO DL9DE JO40
140245 -13 1540  F4LAO OK2JNX R-07
140245 -10 1477  F4LAO DL9DE JO40
140315  -5  856  F4LAO OK2JNX R-07
140315 -10 1477  F4LAO DL9DE JO40
140345 -15  856  F4LAO OK2JNX R-07
140415 -11 1477  F4LAO DL9DE R+04 (x3)
140845 -19 1540  F4LAO F5LVR R+08 (x2)
153945  -8  687  F4LAO ON1DGN -11 (x2)

20m

UTC    dB Audio  Message
164700  -3 1578  CQ F4LAO JN16
164800  +1 1578  YO5PHL F4LAO RR73
164830  -6 1578  CQ F4LAO JN16 (x2)

10m

UTC    dB Audio  Message
143415  +3 2108  F4LAO IK1RQX JN44
143430 -21 1594  IK1RQX F4LAO -10
143445  +3 2108  F4LAO IK1RQX R-20
143500 -20 1594  DC5CH F4LAO -04
143515  +1 2108  F4LAO IK1RQX R-20
143530 -18 1594  DC5CH F4LAO RR73
143545  -3 2108  F4LAO IK1RQX JN44
143600 -24 1594  IK1RQX F4LAO -13
143615  -2 2108  F4LAO IK1RQX JN44
143630 -14 1594  R6YBU F4LAO -15
143645  -5 2108  F4LAO IK1RQX JN44
143700 -13 1594  IK1RQX F4LAO -12
143800 -15 1594  R6YBU F4LAO -10 (x2)
143930 -18 1594  UT7UJ F4LAO 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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