RA4FW — 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: LO23

Receiver-side FT8 activity involving RA4FW, decoded by SO8OO in southeastern Poland. 847 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 16 UTC dates in the available aggregate history. Observed between 2026-07-17 and 2026-08-01.

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 847 FT8 messages attributed to RA4FW as the transmitting token by decoded message structure across 16 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (70%), followed by 80 m (18%) and 20 m (7%). The busiest six-hour window was 16:00-22:00 UTC, containing 49% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10.4 dB.

Overview

847

Messages attributed

UTC dates decoded

125

Active 15-min windows

-10.4 dB

Estimated median S/N

Bands

160m · 14 80m · 149 40m · 597 20m · 61 10m · 26

First attributed message: 2026-07-17
Last attributed message: 2026-08-01 02:29 UTC

Observed FT8 message patterns

Attributed sample: 847 messages
Active dates: 16 UTC dates
Estimated median S/N: -10.4 dB
Estimated 10th-90th percentile: -20 to +2 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 191, moderate (-15 to -9 dB) 300, strong (≥ -8 dB) 356.

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 RA4FW in decoded directed-looking exchanges:

LZ1VL · Bulgaria LZ4NV · Bulgaria RA3QPY · European Russia RD6OW · European Russia RO6K · European Russia SV1OZ · Greece

Most frequent locator attributed to RA4FW

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: LO23 · 393 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,639 km (approx.)
Last such locator decoded: 2026-08-01 02:28 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	RA4FW S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-19 07:59	10m	- / 0	LZ4NV	-16 / -	2	✓ Closing fragment
08-12 07:44	10m	- / +2	RZ6L	-14 / -	2	Partial capture
08-12 07:42	10m	- / -12	LZ1VL	0 / -	4	✓ Closing fragment
08-12 06:59	10m	- / -12	SV1OZ	-14 / -	2	✓ Closing fragment
08-10 07:01	10m	- / -	RA6OY	+5 / -	4	Partial capture
08-10 06:31	10m	- / 0	RA3QPY	-20 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
071645  -6 1527  RA4FW RD6OW RR73
065900 -12 2151  RA4FW SV1OZ -12 (x2)
070315 -22 2109  RA4FW RZ6CO -11
074200  -4 1228  RA4FW LZ1VL -12 (x3)
074400 -17 2323  RA4FW RZ6L KN97 (x2)
074430  +2 1228  RA4FW LZ1VL 73
104045 -21 1436  RA4FW RO6K RR73
091330 -20 1163  RA4FW R7LB LN17
075915 -16 1602  RA4FW LZ4NV +00 (x2)
102115 -19 2277  RA4FW SV1EKI KM18

CW

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

Explore CW reception at SO8OO

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