RA4CC — 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: European Russia Most frequent locator attributed to this token: LO31

Receiver-side FT8 activity involving RA4CC, decoded by SO8OO in southeastern Poland. 43 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 9 UTC dates in the available aggregate history. Observed between 2026-06-20 and 2026-10-22.

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 43 FT8 messages attributed to RA4CC as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (79%), followed by 20 m (21%). Several six-hour UTC windows tied for the largest share (84%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (91%); the estimated median was +6 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

+6 dB

Estimated median S/N

Bands

40m · 34 20m · 9

First attributed message: 2026-06-20
Last attributed message: 2026-10-22 22:43 UTC

Observed FT8 message patterns

Attributed sample: 43 messages
Active dates: 9 UTC dates
Estimated median S/N: +6 dB
Estimated 10th-90th percentile: -8 to +16 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 4, strong (≥ -8 dB) 39.

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 RA4CC in decoded directed-looking exchanges:

XU7O · Cambodia BG2EFX · China NP4PR · Puerto Rico OA4ENG · Peru VJ6X · Australia VU2XZ · India

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 RA4CC

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: LO31 · 25 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,774 km (approx.)
Last such locator decoded: 2026-10-22 22:43 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	RA4CC S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-22 22:43	40m	+4 / -	GJ0VJP	- / -	2	Partial capture
10-22 22:34	40m	+6 / -	OA4ENG	- / -8	3	✓ Closing fragment
10-22 22:31	40m	+4 / -	BG2EFX	- / -25	3	✓ Closing fragment
10-22 22:29	40m	+8 / -	NP4PR	- / -4	3	✓ Closing fragment
10-22 22:26	40m	+12 / -	VU2XZ	- / -11	4	✓ Closing fragment
09-15 18:54	40m	+6 / -	RI1FJZ	- / -	2	Partial capture
09-08 19:31	40m	+17 / -	<...>	- / -9	5	Partial capture
08-23 20:34	40m	- / -2	RY3F	+3 / -	3	Partial capture
08-23 20:32	40m	- / -	RK6OV	-5 / -	5	Partial capture
08-23 20:30	40m	+12 / -	TN8GD	- / -	4	Partial capture
08-20 16:05	20m	- / -18	RW6ATD	-10 / -	2	Partial capture
08-20 16:03	20m	+1 / -15	XU7O	-2 / -3	5	✓ Full exchange observed
08-18 18:08	40m	+2 / -	VJ6X	- / -	5	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
222615 +16  498  VU2XZ RA4CC LO31 (x4)
222945 +12  497  NP4PR RA4CC LO31 (x3)
223115  +3  497  BG2EFX RA4CC -25 (x3)
223445  +6  496  OA4ENG RA4CC LO31 (x3)
224315  +5  495  GJ0VJP RA4CC LO31 (x2)

20m

UTC    dB Audio  Message
160345  -2  625  XU7O RA4CC LO31
160400  -3  484  RA4CC XU7O -15
160415  +3  625  XU7O RA4CC R-03
160430  +0  484  RA4CC XU7O RR73
160445  +3  625  XU7O RA4CC 73
160500 -10 2740  RA4CC RW6ATD -18 (x2)

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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