S52RS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovenia Most frequent locator attributed to this token: JN75

Receiver-side FT8 activity involving S52RS, decoded by SO8OO in southeastern Poland. 52 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-06-13 and 2026-08-09.

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 52 FT8 messages attributed to S52RS as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (92%), followed by 20 m (8%). Several six-hour UTC windows tied for the largest share (92%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -6 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-6 dB

Estimated median S/N

Bands

40m · 48 20m · 4

First attributed message: 2026-06-13
Last attributed message: 2026-08-09 10:48 UTC

Observed FT8 message patterns

Attributed sample: 52 messages
Active dates: 4 UTC dates
Estimated median S/N: -6 dB
Estimated 10th-90th percentile: -19 to +8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 9, moderate (-15 to -9 dB) 12, strong (≥ -8 dB) 31.

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 S52RS in decoded directed-looking exchanges:

GB2WWA · England ×2 F4FSY · France GJ0KYZ · Jersey HB9EFK · Switzerland IS0AEL · Sardinia IT9VCE · Sicily CR2WWA · Azores E75C · Bosnia-Herzegovina EA1A · Spain VK3BDX · Australia DL2VEL · Fed. Rep. of Germany EA3DW · Spain

Most frequent locator attributed to S52RS

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: JN75 · 29 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 708 km (approx.)
Last such locator decoded: 2026-08-09 10:47 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	S52RS S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 11:27	10m	- / +4	IT9VCE	-10 / -	2	✓ Closing fragment
08-09 10:47	20m	-16 / -	5Q1T	- / +5	4	Partial capture
08-09 05:58	20m	- / -10	EA1A	-12 / -	2	✓ Closing fragment
08-09 05:46	20m	- / -16	SV5AZK	-22 / -	3	Partial capture
07-12 07:07	40m	-7 / -	F4DVP	- / -17	7	✓ Closing fragment
07-12 06:18	40m	-6 / -	F5NMO	- / -	4	Partial capture
07-12 06:16	40m	-14 / -	DL2VEL	- / -	3	✓ Closing fragment
07-12 06:13	40m	-10 / -	MM7GTN	- / -16	2	✓ Closing fragment
07-04 16:18	20m	- / -3	GB2WWA	-10 / -	2	✓ Closing fragment
07-04 04:30	40m	- / -9	CR2WWA	-9 / -	2	Partial capture
07-04 04:13	40m	-24 / -	IR0WWA	- / -11	2	✓ Closing fragment
06-28 06:41	10m	- / -25	F4FSY	-7 / -	5	✓ Closing fragment
06-28 06:33	10m	- / -19	HB9EFK	+9 / -	4	✓ Closing fragment
06-28 06:06	20m	- / -	E75C	-14 / -	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
063315 +12 2829  S52RS HB9EFK -19 (x4)
064145  -6 1703  S52RS F4FSY -25 (x5)
071745 -20 1188  S52RS IQ9GD -05
073615 -24 1591  S52RS GJ0KYZ RR73
073745 -19 1541  S52RS IS0AEL RR73
112730  -9  828  S52RS IT9VCE +04 (x2)

20m

UTC    dB Audio  Message
161830  -7 2234  S52RS GB2WWA -03 (x2)
162400 -24 1951  S52RS CR2WWA RR73
203845  -3 1172  S52RS II5WWA -05
052445  -8 1618  S52RS VK3BDX RR73
054600 -24 1400  S52RS SV5AZK -16 (x3)
055830 -13 2182  S52RS EA1A -10 (x2)
071745 -21 2080  S52RS F1PWS -15
104715 -11 1197  5Q1T S52RS JN75 (x4)

40m

UTC    dB Audio  Message
061845 -19 1457  F5NMO S52RS JN75 (x5)
065715  -9  612  EA3DW S52RS RR73
070730  -9  673  F4DVP S52RS JN75 (x7)
071445 -16 2418  F4BND S52RS R-11
071615 -17 2276  F1BHB S52RS 73

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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