SP9SOF — 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: Poland Most frequent locator attributed to this token: JO90

Receiver-side FT8 activity involving SP9SOF, decoded by SO8OO in southeastern Poland. 64 FT8 messages attributed to this token as transmitter, on 20m, 10m, across 10 UTC dates in the available aggregate history. Observed between 2026-06-06 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 64 FT8 messages attributed to SP9SOF as the transmitting token by decoded message structure across 10 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (94%), followed by 10 m (6%). Several six-hour UTC windows tied for the largest share (61%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-12 dB

Estimated median S/N

Bands

20m · 60 10m · 4

First attributed message: 2026-06-06
Last attributed message: 2026-08-29 19:54 UTC

Observed FT8 message patterns

Attributed sample: 64 messages
Active dates: 10 UTC dates
Estimated median S/N: -12 dB
Estimated 10th-90th percentile: -18 to +4 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 13, moderate (-15 to -9 dB) 35, strong (≥ -8 dB) 16.

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 SP9SOF in decoded directed-looking exchanges:

7Z1BQ · Saudi Arabia ×2 4Z5AV · Israel F4FSY · France JH3CUL · Japan M0BEW · England F5MYH · France K4A · Puerto Rico PD1ADA · Netherlands TA1MB · European Turkey W3MR · United States

Most frequent locator attributed to SP9SOF

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: JO90 · 33 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 208 km (approx.)
Last such locator decoded: 2026-08-29 19:54 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	SP9SOF S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-10 13:51	10m	- / -7	4Z5AV	-4 / -	2	✓ Closing fragment
10-10 09:21	10m	- / -	JH3CUL	-18 / -	2	✓ Closing fragment
08-29 19:52	20m	-18 / -	KS4OT	- / -	4	Partial capture
08-26 18:39	20m	- / -	DL1ARS/P	+2 / -	2	Partial capture
08-26 18:34	20m	- / -2	TA1MB	+1 / -	3	✓ Closing fragment
08-26 18:33	20m	- / -2	ON1DGN	-2 / -	4	Partial capture
08-26 18:33	20m	- / -	PD1ADA	+7 / -	6	✓ Closing fragment
08-22 10:58	10m	- / -	DO5PY	-19 / -	3	Partial capture
08-22 10:58	10m	- / +4	M0BEW	0 / -	2	✓ Closing fragment
08-22 10:54	10m	- / 0	F4FSY	-8 / -	2	✓ Closing fragment
08-22 04:09	20m	-14 / -	<...>	- / -	2	Partial capture
08-20 21:02	20m	- / -6	7Z1BQ	-10 / -	2	✓ Closing fragment
08-20 20:17	20m	- / -10	TA2ED	-11 / -	4	Partial capture
08-20 20:06	20m	- / -	DL9MY	-4 / -	2	Partial capture
08-20 20:05	20m	- / -5	F5MYH	-4 / -	5	✓ Closing fragment
08-11 19:27	20m	- / -14	EA5HM	-12 / -	4	Partial capture

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
105445  -9 1875  SP9SOF F4FSY +00 (x2)
105815  -1  737  SP9SOF M0BEW +04
105815 -22 1322  SP9SOF DO5PY JN49
105845  +1  737  SP9SOF M0BEW RR73
105845 -16 1322  SP9SOF DO5PY JN49 (x2)
092100 -17 2250  SP9SOF JH3CUL PM74 (x2)
135100  -5 1645  SP9SOF 4Z5AV -07 (x2)
095200 -24 1356  SP9SOF 7Z1BQ RR73

20m

UTC    dB Audio  Message
183400  +7 2035  SP9SOF PD1ADA JO21
183400  +0 1383  SP9SOF ON1DGN -02
183400  -5 2346  SP9SOF HB9DWR JN37
183430  +1 2035  SP9SOF PD1ADA JO21
183430  -9 1383  SP9SOF ON1DGN -02
183500 +11 2035  SP9SOF PD1ADA R+12 (x2)
183600  +1 2462  SP9SOF TA1MB R-02 (x2)
183930  +1 2465  SP9SOF DL1ARS/P JO51 (x2)
195200 -18 2355  KS4OT SP9SOF JO90 (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.

CW

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

Explore CW reception at SO8OO

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