SP4AV — 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: KO13

Receiver-side FT8 activity involving SP4AV, decoded by SO8OO in southeastern Poland. 3 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 2 UTC dates in the available aggregate history. Observed between 2026-08-12 and 2026-10-10.

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 3 FT8 messages attributed to SP4AV as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The available sample contains attributed decodes on 20 m (67%) and 40 m (33%). 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

40m · 1 20m · 2

First attributed message: 2026-08-12
Last attributed message: 2026-10-10 08:06 UTC

Observed FT8 message patterns

Attributed sample: 3 messages
Active dates: 2 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 SP4AV in decoded directed-looking exchanges:

2E0BRU · England DH2RL · Fed. Rep. of Germany DL1SWB · Fed. Rep. of Germany DL7ARV · Fed. Rep. of Germany EA5D · Spain F1ODM · France F4ACR · France F4BYA · France G4HUE · England IK2ZJR · Italy M3ZZF · England M7KBB · England

Most frequent locator attributed to SP4AV

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: KO13 · 2 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 405 km (approx.)
Last such locator decoded: 2026-08-12 14:24 UTC

Other locator fields attributed to this token: JO90 (1).

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	SP4AV S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-10 08:19	40m	- / -20	DL7ROB	-6 / -	2	✓ Closing fragment
10-10 08:16	40m	- / -16	SP9XG	-15 / -	3	Partial capture
10-10 08:15	40m	- / -23	OM3CND	-11 / -	3	✓ Closing fragment
10-10 08:06	40m	- / -9	SQ3RAX	-6 / -	4	✓ Closing fragment
10-10 08:05	40m	- / -11	DL8WEM	-2 / -	2	✓ Closing fragment
10-10 08:02	40m	- / -12	DF0AWG	+2 / -	3	Partial capture
08-29 09:53	20m	- / -7	RK4FF	-4 / -	3	✓ Closing fragment
08-29 09:39	20m	- / -10	DL1SWB	-4 / -	3	✓ Closing fragment
08-26 15:28	20m	- / -1	R4FDW	-10 / -	3	✓ Closing fragment
08-26 15:26	20m	- / -16	M9RPO	0 / -	4	✓ Closing fragment
08-26 15:25	20m	- / -	R6LKG	+8 / -	2	Partial capture
08-26 15:24	20m	- / -	F5IXN	+8 / -	2	Partial capture
08-26 15:22	20m	- / -2	2E0BRU	-11 / -	3	✓ Closing fragment
08-26 15:22	20m	- / -7	EA5D	-6 / -	3	✓ Closing fragment
08-26 15:20	20m	- / -	G6ZRV	+1 / -	5	Partial capture
08-26 15:18	20m	- / -	MD0RTZ	-10 / -	2	Partial capture
08-26 15:16	20m	- / +2	F1ODM	+10 / -	2	✓ Closing fragment
08-26 15:16	20m	- / -	F4JZW	+8 / -	3	Partial capture
08-23 11:27	20m	- / 0	M0PAX	-9 / -	6	Partial capture
08-23 11:26	20m	- / -7	DL7ARV	+7 / -	3	✓ Closing fragment
08-23 09:36	20m	- / -	DL3RAJ	-2 / -	3	Partial capture
08-23 09:32	20m	- / -15	DK0ND	+4 / -	7	Partial capture
08-23 09:29	20m	- / -	IZ2FOS	-5 / -	3	Partial capture
08-23 09:29	20m	- / -	LZ3CB	+14 / -	3	Partial capture
08-23 09:28	20m	- / -23	UT2EF	-15 / -	2	Partial capture
08-23 09:26	20m	- / -14	F4BYA	-1 / -	3	✓ Closing fragment
08-23 09:25	20m	- / -	IT9SMU	-9 / -	4	Partial capture
08-23 09:22	20m	- / -13	OE8PIT	+3 / -	5	Partial capture
08-23 09:15	20m	- / -18	PD2WL	+1 / -	10	Partial capture
08-23 09:10	20m	- / -	SA7KJE	-17 / -	2	Partial capture
08-23 09:09	20m	- / -6	OK1CT	+4 / -	3	✓ Closing fragment
08-23 09:04	20m	- / -14	M7KBB	-2 / -	7	✓ Closing fragment
08-23 09:02	20m	- / -9	IK2ZJR	-8 / -	3	✓ Closing fragment
08-12 14:29	20m	- / -3	DH2RL	-8 / -	3	✓ Closing fragment
08-12 14:25	20m	- / -10	PC2J	-4 / -	2	Partial capture
08-12 14:18	20m	- / -	PC2J	+8 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
080615 -19  987  CQ POTA SP4AV JO90
080630  -9 2548  SP4AV SQ3RAX JO82 (x4)
081100 -17  953  SP4AV DL5CTE 73
081330 -13 1301  SP4AV DG0WOL JO60
081500 -10 1485  SP4AV OM3CND JN99
081600 -12  993  SP4AV SP9XG JO90
081630 -11 1485  SP4AV OM3CND R-23
081700 -15 1233  SP4AV SP9XG JO90
081700 -11 1485  SP4AV OM3CND 73
081800 -17 1233  SP4AV SP9XG R-16
081900  -4 2244  SP4AV DL7ROB R-20 (x2)

20m

UTC    dB Audio  Message
152815 -14 2370  SP4AV R4FDW -01
152815  -4 1689  SP4AV MD0RTZ IO74
152845  -5 2370  SP4AV R4FDW -01 (x2)
153200 +21 2813  SP4AV RY7G LN14
093915  -5 1618  SP4AV DL1SWB JO53 (x3)
094045 -14 1801  SP4AV UA3VVA LO06
094245  -8 1619  SP4AV F4CWZ JN38
095145 -12 1058  SP4AV PD3AN RR73
095345 -11 1230  SP4AV RK4FF -07 (x3)
095915 -19 2221  SP4AV 9A6NTK JN85

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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