F4WDL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Most frequent locator attributed to this token: IN94

Receiver-side FT8 activity involving F4WDL, decoded by SO8OO in southeastern Poland. 699 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 28 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-09-16.

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 699 FT8 messages attributed to F4WDL as the transmitting token by decoded message structure across 28 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (33%), followed by 40 m (28%) and 20 m (20%). Most decodes (64%) fell within the six-hour window 21:00-03:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -8 dB.

Overview

699

Messages attributed

UTC dates decoded

Active 15-min windows

-8 dB

Estimated median S/N

Bands

160m · 7 80m · 229 60m · 68 40m · 193 20m · 139 10m · 63

First attributed message: 2026-06-08
Last attributed message: 2026-09-16 22:52 UTC

Observed FT8 message patterns

Attributed sample: 699 messages
Active dates: 28 UTC dates
Estimated median S/N: -8 dB
Estimated 10th-90th percentile: -19 to 0 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 130, moderate (-15 to -9 dB) 210, strong (≥ -8 dB) 359.

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 F4WDL in decoded directed-looking exchanges:

DA0WWA · Fed. Rep. of Germany ×3 A93MO · Bahrain ×2 TM8WWA · France ×2 R5AV · European Russia ×2 IQ4JO · Italy PE1NPS · Netherlands SN0WWA · Poland UR5EPZ · Ukraine CT2GQA · Portugal BG7BMG · China CR2WWA · Azores DB1HEF · 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 F4WDL

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 · 357 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,816 km (approx.)
Last such locator decoded: 2026-09-16 22:51 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	F4WDL S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-16 22:50	160m	-10 / -14	TK/4O7CC	-6 / -15	6	Partial capture
09-03 21:59	80m	-11 / -	RI1FJL	- / -	2	Partial capture
08-24 06:43	40m	-19 / +6	DL6RS	-7 / -	4	✓ Closing observed
08-24 01:25	40m	-10 / -8	9A7PCR	-12 / -9	6	✓ Full exchange observed
08-24 01:24	40m	-11 / -8	W6NWS	-2 / -3	5	✓ Full exchange observed
08-24 01:22	40m	-13 / -	KB1EFS	- / -15	2	✓ Closing fragment
08-24 01:17	40m	-11 / -	K0DG	-20 / -6	5	Partial capture
08-24 01:10	40m	-5 / +9	DL1EBW	-3 / -9	10	✓ Full exchange observed
08-24 01:08	40m	-11 / -	VA3FOJ	- / -16	2	Partial capture
08-24 01:03	40m	-6 / -	KC4WQ	- / -13	2	✓ Closing fragment
08-24 01:03	40m	-11 / -9	VA2KZ	-13 / -7	4	✓ Full exchange observed
08-24 01:00	40m	-9 / -8	F5HNQ	-2 / -	4	✓ Closing observed
08-24 00:59	40m	-8 / -	W0DXV	- / -16	2	Partial capture
08-24 00:53	40m	- / -5	F1PBZ	-4 / -	2	Partial capture
08-24 00:53	40m	-16 / -	VE3DZ	-19 / -13	3	✓ Closing observed
08-23 01:20	80m	-10 / -	EA1KCN	- / +3	3	Partial capture
08-23 01:12	80m	-15 / 0	DM2AB	-8 / -	5	✓ Closing observed
08-23 00:58	80m	-7 / -12	VP8A	-14 / -9	10	✓ Full exchange observed
08-22 21:37	40m	+3 / -	<...>	- / -24	3	Partial capture
08-22 21:34	40m	-6 / -	DA1TE	-10 / -17	9	✓ Full exchange observed
08-22 21:33	40m	-6 / -3	RD3FY	-4 / -4	6	✓ Full exchange observed
08-22 21:30	40m	-6 / -	<...>	- / -2	2	Partial capture
08-22 21:25	40m	-7 / -19	DD7EE	+3 / -	4	✓ Closing observed
08-22 01:11	60m	-8 / -	N8OQ	- / -13	2	✓ Closing fragment
08-22 00:54	40m	-6 / -	UK8FCM	- / -26	13	Partial capture
08-22 00:53	40m	-4 / -	ON4MAP	- / -16	2	✓ Closing fragment
08-22 00:51	40m	-6 / -	K5RRD	- / -13	2	✓ Closing fragment
08-22 00:46	40m	-10 / +3	N9RNT	-11 / -11	4	✓ Full exchange observed
08-22 00:45	40m	-10 / -	N8GRY	- / -13	2	Partial capture
08-22 00:44	40m	- / -16	UN7PPV	-18 / -	5	Partial capture
08-22 00:40	40m	-12 / -13	SP1ZMO	-14 / -11	7	✓ Full exchange observed
08-22 00:37	40m	-5 / -	KB1GTG	- / -12	2	✓ Closing fragment
08-22 00:33	40m	-7 / -	UI6O	- / -15	2	Partial capture
08-22 00:27	40m	-4 / -	R2RCQ	-16 / -3	3	✓ Closing observed
08-22 00:25	40m	-5 / -	PY3RK	- / -16	2	✓ Closing fragment
08-22 00:23	40m	- / -	UI6O	-3 / -	7	Partial capture
08-22 00:23	40m	-2 / -	CT2HEX	-2 / +3	4	Partial capture
08-19 22:20	80m	-5 / +8	2I0WAI	-24 / -1	4	✓ Full exchange observed
08-19 22:18	80m	+2 / -4	OG1AO	-10 / -	3	✓ Closing observed
08-19 22:14	80m	+3 / -	F4MID	- / -7	2	✓ Closing fragment
08-19 22:12	80m	+6 / -	CE3SPR	- / -	2	Partial capture
08-19 22:08	80m	- / -	OZ/KD0NDU	-14 / -	2	Partial capture
08-19 22:07	80m	-10 / -2	<...>	-19 / -4	2	Partial capture
08-19 22:07	80m	- / -	DL9KM	-5 / -	6	Partial capture
08-19 22:04	80m	- / -2	E70SZ	-7 / -	2	✓ Closing fragment
08-19 21:59	60m	- / -	DK7NL	-7 / -	2	Partial capture
08-19 21:54	60m	-10 / -3	YL2SW	+3 / -3	6	✓ Full exchange observed
08-19 21:54	60m	-8 / +2	DM3XD	-19 / -10	3	✓ Full exchange observed
08-19 21:51	60m	-11 / +3	OJ0JR	+2 / -8	5	✓ Full exchange observed
08-19 21:48	60m	-16 / -6	F5PBG	-15 / -1	6	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

160m

UTC    dB Audio  Message
011515 -21 1505  CT2GQA F4WDL RR73
011645 -23 1505  CQ F4WDL IN94
225045  -9  430  TK/4O7CC F4WDL IN94 (x4)
225230  -6  298  F4WDL TK/4O7CC -14
225245  -9  430  TK/4O7CC F4WDL R-20

80m

UTC    dB Audio  Message
011345  -8 1279  F4WDL DM2AB R+00
011400 -15 1279  DM2AB F4WDL RR73
011415  -8 1279  F4WDL DM2AB 73
011600 -10 1279  CQ F4WDL IN94 (x7)
012030 -13 1279  EA1KCN F4WDL +03 (x3)
215915 -10  938  RI1FJL F4WDL IN94 (x2)

40m

UTC    dB Audio  Message
012545 -10 1432  W6NWS F4WDL 73
012600 -15  964  F4WDL 9A7PCR JN86 (x2)
012645  -9 1432  9A7PCR F4WDL -09
012700 -11  964  F4WDL 9A7PCR R-08
012715 -10 1432  9A7PCR F4WDL RR73
064245 -19 1432  CQ F4WDL IN94
064300  -7  340  F4WDL DL6RS JN48 (x2)
064345 -19 1432  DL6RS F4WDL RR73
064400  -5  339  F4WDL DL6RS 73
064615 -21 1433  F4JUO F4WDL RR73
064715 -24 1432  CQ F4WDL IN94                         a1
064800  -5 1432  F4WDL OE1AVO JN88
064800  -7 2738  F4WDL F1PBZ -03

60m

UTC    dB Audio  Message
215715 -11 1654  CQ F4WDL IN94 (x4)
215900  -6 1654  F4WDL DK7NL JN59 (x2)
010630 -12 1179  CQ F4WDL IN94 (x4)
011100  -8 1179  N8OQ F4WDL -13 (x2)
013915 -13 1427  CQ F4WDL IN94 (x3)

20m

UTC    dB Audio  Message
195230  +1 1682  F4MVM/P F4WDL IN94 (x9)
170845 -15 1379  VU2ATN F4WDL IN94 (x2)
170930 -20 1256  F4WDL VU2ATN RRR
170945 -16 1379  VU2ATN F4WDL 73
171345  +6 2902  <...> F4WDL IN94 (x2)

10m

UTC    dB Audio  Message
085830  -7  874  5B4ALJ F4WDL IN94 (x6)
090600 -17 1454  SV9MBH F4WDL IN94 (x5)
092745 -16 1454  A93MO F4WDL IN94 (x4)

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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