SV1RK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Greece Most frequent locator attributed to this token: KM17

Receiver-side FT8 activity involving SV1RK, decoded by SO8OO in southeastern Poland. 188 FT8 messages attributed to this token as transmitter, on 160m, 80m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-09-16.

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 188 FT8 messages attributed to SV1RK as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (46%), followed by 160 m (46%) and 20 m (8%). Most decodes (98%) fell within the six-hour window 16:00-22:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.

Overview

188

Messages attributed

UTC dates decoded

Active 15-min windows

-13 dB

Estimated median S/N

Bands

160m · 86 80m · 87 20m · 15

First attributed message: 2026-06-07
Last attributed message: 2026-09-16 21:54 UTC

Observed FT8 message patterns

Attributed sample: 188 messages
Active dates: 5 UTC dates
Estimated median S/N: -13 dB
Estimated 10th-90th percentile: -20 to -5 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 58, moderate (-15 to -9 dB) 83, strong (≥ -8 dB) 47.

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 SV1RK in decoded directed-looking exchanges:

RI1FJZ · Franz Josef Land R9OX · Asiatic Russia RI1FJL · Franz Josef Land

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 SV1RK

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: KM17 · 165 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,386 km (approx.)
Last such locator decoded: 2026-09-16 21:53 UTC

Other locator fields attributed to this token: KM08 (12).

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	SV1RK S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-16 21:42	160m	-12 / -	RI1FJZ	- / -2	22	✓ Closing fragment
09-16 21:32	160m	-16 / -	RI1FJZ	- / -	7	Partial capture
09-16 21:15	160m	-16 / -	RI1FJZ	- / -	19	Partial capture
09-03 20:29	160m	-12 / -	RI1FJL	- / -	12	Partial capture
09-03 20:01	160m	-16 / -	RI1FJL	- / -	5	Partial capture
09-03 19:57	160m	-16 / -	RI1FJL	- / -	2	Partial capture
09-03 19:40	160m	-18 / -	RI1FJL	- / -	8	Partial capture
09-03 19:33	160m	-16 / -	RI1FJL	- / -	6	Partial capture
09-03 19:30	160m	-16 / -	RI1FJL	- / -	2	Partial capture
09-02 18:18	80m	-11 / -	RI1FJL	- / -20	4	✓ Closing fragment
09-02 17:27	80m	-1 / -	RI1FJL	- / -	10	Partial capture
09-02 17:03	80m	-8 / -	RI1FJL	- / -	38	Partial capture
09-02 16:46	80m	-10 / -	RI1FJL	- / -	16	Partial capture
09-02 04:41	80m	-20 / -18	N6DN	-20 / -	5	Partial capture
08-20 18:59	20m	-10 / -	R3DFE/M	- / -15	3	Partial capture
08-20 18:13	20m	-14 / -	R9OX	- / -13	4	✓ Closing fragment
08-20 18:10	20m	-14 / -	JH6KFY	- / -	2	Partial capture
08-20 18:09	20m	-11 / -	<...>	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

160m

UTC    dB Audio  Message
214645 -16 2209  RI1FJZ SV1RK KM17 (x15)

80m

UTC    dB Audio  Message
172315  -6 1619  RI1FJL SV1RK KM17 (x15)

20m

UTC    dB Audio  Message
180900  -9 1843  <...> SV1RK KM08 (x2)
181030  -9 1843  JH6KFY SV1RK KM08 (x2)
181300 -12 1842  R9OX SV1RK KM08 (x4)
185215 -19 2410  <...> SV1RK KM08
185630 -17 2528  R3DFE/M SV1RK KM08 (x4)
190545  -9 2528  <...> SV1RK KM08 (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.

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