VK4AFU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Australia Most frequent locator attributed to this token: QG61

Receiver-side FT8 activity involving VK4AFU, decoded by SO8OO in southeastern Poland. 1 FT8 messages attributed to this token as transmitter, on 20m, across 1 UTC dates in the available aggregate history. Last observed 2026-08-22.

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 1 FT8 messages attributed to VK4AFU as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The available sample contains attributed decodes on 20 m (100%). The sample is too small to infer a recurring UTC-hour or received-S/N pattern.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

S/N pattern not inferred

Bands

20m · 1

First attributed message: 2026-08-22
Last attributed message: 2026-08-22 04:28 UTC

Observed FT8 message patterns

Attributed sample: 1 messages
Active dates: 1 UTC dates
S/N summary: Too few decodes
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with VK4AFU in decoded directed-looking exchanges:

K2K · United States F4EMG · France G1KIK · England G4IFX · England IV3SKB · Italy IV3TUO · Italy PD1B · Netherlands RN3ZBX · European Russia SA0AQT · Sweden DJ7M · Fed. Rep. of Germany ON4IQ · Belgium

Most frequent locator attributed to VK4AFU

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: QG61
SO8OO receiver locator: KN09VW
Locator-centre separation: 15,294 km (approx.)
Last such locator decoded: 2026-08-22 04:28 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	VK4AFU S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-19 18:15	80m	- / -	SP2HNF	+15 / -	4	Partial capture
09-19 18:11	80m	- / -	F4AYI	-4 / -	2	Partial capture
09-19 18:00	80m	- / -18	ON4IQ	+8 / -	3	✓ Closing fragment
09-19 17:58	80m	- / 0	DJ7M	+16 / -	3	✓ Closing fragment
09-19 17:40	80m	- / -	S57AM	+9 / -	4	Partial capture
09-19 17:26	80m	- / -	IZ7NLJ	0 / -	3	Partial capture
09-13 19:20	40m	- / +9	PD1B	0 / -	7	✓ Closing fragment
09-12 06:33	40m	- / -24	G1KIK	-4 / -	3	✓ Closing fragment
09-12 06:27	40m	- / -	EA6AJW	-20 / -	3	Partial capture
09-12 06:17	40m	- / -12	F5LSU	-2 / -	2	Partial capture
09-05 19:47	40m	- / -26	RA3YDA	-2 / -	3	Partial capture
09-05 19:43	40m	- / -23	RN3ZBX	+6 / -	5	✓ Closing fragment
09-05 19:31	40m	- / -17	R2SN	+8 / -	2	Partial capture
09-05 19:29	40m	- / -8	SA0AQT	+6 / -	4	✓ Closing fragment
09-05 19:23	40m	- / -24	OH4BW	+1 / -	3	Partial capture
09-05 19:19	40m	- / -	LB7ZG	-3 / -	2	Partial capture
09-05 06:26	40m	- / -19	F5OZC	-8 / -	4	Partial capture
09-05 06:25	40m	- / -20	F4EMG	0 / -	3	✓ Closing fragment
08-01 19:16	40m	- / -22	IV3SKB	+8 / -	3	✓ Closing fragment
07-12 05:27	20m	- / -	EA5RO	-3 / -	2	Partial capture
07-03 06:34	20m	- / -21	K2K	-10 / -	2	✓ Closing fragment
06-27 19:02	40m	- / -19	IV3TUO	+4 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
174100 +11 1770  VK4AFU S57AM JN66 (x3)
175830 +13  780  VK4AFU DJ7M JN49 (x3)
180030  +8  527  VK4AFU ON4IQ JO20 (x3)
181100  -2  243  VK4AFU F4AYI JN08 (x2)
181530  +9 2706  VK4AFU SP2HNF JO94 (x4)

40m

UTC    dB Audio  Message
061800  -2  475  VK4AFU F5LSU R-12
062730 -17 2024  VK4AFU EA6AJW JM19 (x3)
063300  -4 2840  VK4AFU G1KIK IO93 (x3)
064300  +6  275  VK4AFU G4IFX RR73
192015  +2 1494  VK4AFU PD1B JO32 (x7)

20m

UTC    dB Audio  Message
063400 -12 1434  VK4AFU K2K -21 (x2)
052730  -1 2952  VK4AFU EA5RO IM99 (x2)
042830 -14 3048  K4A VK4AFU QG61

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