SN9S — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: JO90

Receiver-side FT8 activity involving SN9S, decoded by SO8OO in southeastern Poland. 17 FT8 messages attributed to this token as transmitter, on 60m, 40m, across 2 UTC dates in the available aggregate history. Observed between 2026-08-30 and 2026-09-18.

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 17 FT8 messages attributed to SN9S as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (88%), followed by 40 m (12%). In this small sample, the estimated median decoder S/N was -3 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-3 dB

Estimated median S/N

Bands

60m · 15 40m · 2

First attributed message: 2026-08-30
Last attributed message: 2026-09-18 19:54 UTC

Observed FT8 message patterns

Attributed sample: 17 messages
Active dates: 2 UTC dates
Estimated median S/N: -3 dB
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 2, strong (≥ -8 dB) 15.

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 SN9S in decoded directed-looking exchanges:

9A3K · Croatia DO1FKM · Fed. Rep. of Germany DO1GBA · Fed. Rep. of Germany 5Z4VJ · Kenya A41KB · Oman BA6IM · China BG7BVI · China BI4JJO · China DK7ZT · Fed. Rep. of Germany DL5SUA · Fed. Rep. of Germany EA7UW · Spain EA8UP · Canary Islands

Most frequent locator attributed to SN9S

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: JO90 · 7 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 208 km (approx.)
Last such locator decoded: 2026-09-18 19:53 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	SN9S S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-18 19:54	60m	-5 / -2	SP3CUG	-5 / 0	5	✓ Full exchange observed
09-18 19:50	60m	-2 / -6	SP5JMA	+3 / -3	5	✓ Full exchange observed
09-18 19:49	60m	-2 / -	IK2ZLJ	- / -13	2	✓ Closing fragment
09-18 19:49	60m	-1 / -7	F5RMK	-15 / -3	10	✓ Full exchange observed
09-15 21:15	40m	- / -	G8OO	-11 / -	3	Partial capture
08-31 20:34	20m	- / -9	M0IOY	+8 / -	4	✓ Closing fragment
08-31 20:32	20m	- / -12	G7VOQ	-22 / -	2	✓ Closing fragment
08-31 20:25	20m	- / +2	M7VME	-10 / -	2	✓ Closing fragment
08-30 20:27	40m	-10 / -	SV9QWC	- / -	2	Partial capture
08-29 21:44	40m	- / 0	G7UFW	-11 / -	2	✓ Closing fragment
08-29 21:27	40m	- / -8	EA5HM	-4 / -	4	Partial capture
08-29 21:26	40m	- / -11	F1PBZ	0 / -	2	✓ Closing fragment
08-29 21:24	40m	- / -18	IK3FHW/IT9	-20 / -	3	Partial capture
08-29 21:24	40m	- / -8	IZ8VYU	0 / -	3	✓ Closing fragment
08-29 08:05	10m	- / +10	IW8PQ	-22 / -	3	Partial capture
08-28 20:41	20m	- / -6	EA7UW	-7 / -	3	✓ Closing fragment
08-28 20:26	20m	- / -16	DL5SUA	-8 / -	4	✓ Closing fragment
08-28 20:26	20m	- / -8	IZ4JMA	-1 / -	5	✓ Closing fragment
08-28 20:21	20m	- / -11	EB3JT	+9 / -	3	✓ Closing fragment
08-28 20:18	20m	- / -	OZ2NYB/P	-4 / -	2	✓ Closing fragment
08-28 18:55	20m	- / -	OE8PIT	-3 / -	3	Partial capture
08-28 18:49	20m	- / +7	M8KKH	0 / -	2	✓ Closing fragment
08-28 08:46	10m	- / -6	DO1GBA	-11 / -	2	✓ Closing fragment
08-28 08:43	10m	- / +2	9A3K	+2 / -	3	✓ Closing fragment
08-27 20:09	20m	- / -21	BI4JJO	-9 / -	3	✓ Closing fragment
08-27 19:25	20m	- / -10	UT4QM	-14 / -	3	✓ Closing fragment
08-27 19:13	20m	- / +8	F4ACR	+8 / -	2	✓ Closing fragment
08-27 19:03	20m	- / -12	5Z4VJ	0 / -	2	✓ Closing fragment
08-27 19:01	20m	- / -11	F4AXK	-8 / -	3	✓ Closing fragment
08-27 18:19	20m	- / -2	DK7ZT	+2 / -	5	Partial capture
08-25 20:24	20m	- / -6	EX7DY	-12 / -	2	✓ Closing fragment
08-25 03:48	20m	- / -17	HP2NG	-16 / -	2	✓ Closing fragment
08-25 03:36	20m	- / -15	XQ1KK	-3 / -	4	✓ Closing fragment
08-25 03:29	20m	- / -	R7MP	-24 / -	3	Partial capture
08-25 03:27	20m	- / -21	TI5RR	-13 / -	3	✓ Closing fragment
08-24 20:24	20m	- / -15	BG7BVI	-20 / -	2	✓ Closing fragment
08-24 20:23	20m	- / +1	F5OYA/P	-4 / -	7	✓ Closing fragment
08-24 20:21	20m	- / -4	EA8UP	+12 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
195045  -2 1064  SP5JMA SN9S RR73
195100  +4  616  SN9S SP5JMA 73
195115  +0 1064  F5RMK SN9S -03 (x3)
195245  -2 1064  CQ SN9S JO90                          a1
195300 -17 1935  SN9S F5RMK R-07
195315  +0 1064  F5RMK SN9S RR73
195330 -13 1935  SN9S F5RMK R-07
195345  -3 1064  CQ SN9S JO90
195400  -6 1828  SN9S SP3CUG JO82
195415  -4 1713  SP3CUG SN9S +00
195430  -7 1828  SN9S SP3CUG R-02
195445  -6 1713  SP3CUG SN9S RR73
195500  -2 1828  SN9S SP3CUG 73

40m

UTC    dB Audio  Message
212545  -2 1926  SN9S IZ8VYU 73
212615 -21 1196  SN9S IK3FHW/IT9 -18
212615  +0 2784  SN9S F1PBZ -11 (x2)
212745  -5 1499  SN9S EA5HM IM99 (x4)
214400  -8  596  SN9S G7UFW +00 (x2)
202700  -9 2425  SV9QWC SN9S JO90 (x2)
211530 -11  928  SN9S G8OO JO02 (x3)

20m

UTC    dB Audio  Message
202845  -6 1658  SN9S DL5SUA 73
203045  +4  966  SN9S IZ4JMA 73
203915  +2 2310  SN9S MW7RHR IO73
204115  -7 1887  SN9S EA7UW IM76 (x3)
202530 -11  562  SN9S MI7XHT -12
202545 -13 2088  SN9S M7VME +02 (x2)
203245 -19 1341  SN9S G7VOQ -12 (x2)
203445 +13  858  SN9S M0IOY IO93 (x4)

10m

UTC    dB Audio  Message
084315  +4 2572  SN9S 9A3K JN65 (x3)
084545 -10  916  SN9S DO1FKM 73
084645 -12  832  SN9S DO1GBA R-06 (x2)
080545 -18 1736  SN9S IW8PQ JM78 (x3)
080845 -18 1520  SN9S IU0VOG R-07

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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