ON4IA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Most frequent locator attributed to this token: JO21

Receiver-side FT8 activity involving ON4IA, decoded by SO8OO in southeastern Poland. 73 FT8 messages attributed to this token as transmitter, on 80m, across 2 UTC dates in the available aggregate history. Observed between 2026-09-02 and 2026-09-04.

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 73 FT8 messages attributed to ON4IA as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (100%). In this small sample, the estimated median decoder S/N was -4 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-4 dB

Estimated median S/N

Bands

80m · 73

First attributed message: 2026-09-02
Last attributed message: 2026-09-04 22:17 UTC

Observed FT8 message patterns

Attributed sample: 73 messages
Active dates: 2 UTC dates
Estimated median S/N: -4 dB
Estimated 10th-90th percentile: -12 to 0 dB
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 5, moderate (-15 to -9 dB) 11, strong (≥ -8 dB) 57.

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 ON4IA in decoded directed-looking exchanges:

RI1FJL · Franz Josef Land

Most frequent locator attributed to ON4IA

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: JO21 · 41 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,192 km (approx.)
Last such locator decoded: 2026-09-04 22:14 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	ON4IA S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-04 22:17	80m	- / -10	R2EA	-14 / -	2	Partial capture
09-04 22:03	80m	-3 / -	RI1FJL	- / -7	27	✓ Closing fragment
09-04 21:54	80m	-5 / -	RI1FJL	- / -	8	Partial capture
09-04 21:23	80m	-5 / -	RI1FJL	- / -12	13	Partial capture
09-02 21:31	80m	-4 / -	V51WH	- / -9	2	Partial capture
09-02 21:30	80m	- / -	EA1IOK	0 / -	2	Partial capture
09-02 21:30	80m	- / -	PE1NPS	-2 / -	4	Partial capture
09-02 21:27	80m	-12 / -	BI8FRF	- / -18	2	Partial capture
09-02 21:18	80m	-5 / -	V51WH	- / -12	11	Partial capture
09-02 21:07	80m	-7 / -	RI1FJL	- / -11	8	Partial capture
09-02 19:38	80m	-18 / -	RI1FJL	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
221230  -2 2005  RI1FJL ON4IA JO21 (x9)
221715 -12  329  ON4IA RR73; EW8R <...> -12
221730  +5 2005  RI1FJL ON4IA 73
221745 -17 2006  ON4IA R6FX LN14
221745 -14 2496  ON4IA R2EA -10 (x2)
221815  -6  976  ON4IA DO6NC/P JO61

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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