SP9DAT — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving SP9DAT, decoded by SO8OO in southeastern Poland. 59 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 4 UTC dates in the available aggregate history. Observed between 2026-07-18 and 2026-09-08.

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 59 FT8 messages attributed to SP9DAT 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 (54%), followed by 80 m (46%). Most decodes (81%) fell within the six-hour window 17:00-23:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-15 dB

Estimated median S/N

Bands

80m · 27 40m · 32

First attributed message: 2026-07-18
Last attributed message: 2026-09-08 17:31 UTC

Observed FT8 message patterns

Attributed sample: 59 messages
Active dates: 4 UTC dates
Estimated median S/N: -15 dB
Estimated 10th-90th percentile: -20 to +2 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 28, moderate (-15 to -9 dB) 16, 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.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with SP9DAT in decoded directed-looking exchanges:

EA1D · Spain ×2 EI2KP · Ireland ×2 F4JYI · France ×2 OE5GTE · Austria ×2 UA9SY · Asiatic Russia R2RAU · European Russia PA2PS · Netherlands ON6PL · Belgium S55X · Slovenia ON3ABR · Belgium LX1TI · Luxembourg R5FY · European Russia

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 SP9DAT

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 · 51 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 208 km (approx.)
Last such locator decoded: 2026-09-08 17:31 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	SP9DAT S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-08 17:23	40m	-17 / -	UA9ZZ	- / -	3	Partial capture
09-08 16:44	40m	- / -18	R1BQW	-10 / -	2	✓ Closing fragment
09-08 16:15	40m	- / -14	IN3LTL	-11 / -	3	✓ Closing fragment
09-08 16:13	40m	- / -11	DL9GCG	0 / -	2	✓ Closing fragment
09-08 14:30	40m	- / -9	SP7ROM	-7 / -	2	✓ Closing fragment
09-08 11:57	40m	- / +1	HA1DBO	+3 / -	3	✓ Closing fragment
09-08 11:39	40m	- / -3	OE3FFC	-11 / -	2	✓ Closing fragment
09-08 11:24	40m	- / -7	DL9KM	-13 / -	6	✓ Closing fragment
09-08 10:42	40m	- / -	SM7/DL5BTE	-17 / -	2	✓ Closing fragment
09-08 10:41	40m	- / -	SP7LSM	-12 / -	5	Partial capture
09-08 10:38	40m	- / -11	SP6IYR	+1 / -	3	✓ Closing fragment
09-08 10:33	40m	- / -11	SP2KSN	-19 / -	3	✓ Closing fragment
09-08 09:55	40m	- / -	SP6IYR	-4 / -	2	Partial capture
09-08 09:04	40m	- / -7	ON5TB	-14 / -	2	✓ Closing fragment
09-08 08:51	40m	- / -16	YO8RCA	-3 / -	4	Partial capture
09-08 07:50	40m	- / -10	DD1JD	+3 / -	3	✓ Closing fragment
09-08 07:30	40m	- / -	DK3HJ	-9 / -	4	Partial capture
09-08 07:28	40m	- / -10	DF5DY	+6 / -	3	✓ Closing fragment
09-08 07:12	40m	- / -8	DG3AWF	-20 / -	4	✓ Closing fragment
09-08 07:01	40m	- / -8	DF0AWG	+6 / -	2	✓ Closing fragment
09-08 06:43	40m	- / -	ER1CW	-4 / -	3	Partial capture
09-08 06:19	40m	- / -16	OZ3TT	+17 / -	2	✓ Closing fragment
09-08 06:06	40m	- / -	DG9WH	-8 / -	2	Partial capture
09-08 06:02	40m	- / -	IZ4AIF	-1 / -	2	Partial capture
09-08 04:41	40m	- / -20	E79KO	-5 / -	3	✓ Closing fragment
09-08 01:23	40m	- / -24	AA2S	-6 / -	2	Partial capture
09-08 00:58	40m	- / -13	RX9WM	-6 / -	3	✓ Closing fragment
09-08 00:40	40m	- / -12	SV1TUB	-16 / -	2	✓ Closing fragment
09-07 23:03	40m	- / -17	F1PBZ	+3 / -	4	✓ Closing fragment
09-07 23:03	40m	- / -16	UA9SY	-5 / -	3	✓ Closing fragment
09-07 21:57	40m	- / -9	DF7FR/QRP	-8 / -	2	Partial capture
09-07 21:30	40m	- / -2	IU3WOH	+1 / -	2	✓ Closing fragment
09-07 20:36	40m	- / -10	SP1AKA	+14 / -	2	✓ Closing fragment
09-07 20:24	40m	- / -16	RY4ABB	-4 / -	4	✓ Closing fragment
09-07 19:41	40m	-14 / -	DC1WB	- / -	4	✓ Closing fragment
09-07 19:37	40m	- / -	PA3BBV	-9 / -	2	Partial capture
09-07 19:15	40m	-15 / -	MW6YPO	- / -	2	Partial capture
09-07 18:44	40m	- / -9	IV3VFP	-6 / -	2	✓ Closing fragment
09-07 18:40	40m	- / -9	IV3VFP	-4 / -	3	Partial capture
09-07 18:38	40m	-18 / -	EM90ZMV	- / +6	2	Partial capture
09-07 18:26	40m	-16 / -16	IN3JRZ	-2 / -	6	✓ Closing observed
09-07 18:24	40m	- / -5	OL900LTV	-10 / -	2	Partial capture
08-31 20:34	20m	- / -23	K2TQC	-16 / -	2	✓ Closing fragment
08-31 20:24	20m	- / -11	M0GQC	+16 / -	3	✓ Closing fragment
08-31 19:30	20m	- / -8	F4GRW	-6 / -	2	✓ Closing fragment
08-31 15:06	20m	- / -10	GB1FBS	+12 / -	2	✓ Closing fragment
08-31 14:33	20m	- / -2	PA2HD	-9 / -	4	✓ Closing fragment
08-31 14:28	20m	- / -	DL4JG	-7 / -	3	Partial capture
08-31 13:16	20m	- / -14	G1HJW	-2 / -	2	✓ Closing fragment
08-31 12:30	20m	- / -9	R3TY	0 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
151330 -24 2002  BG7BVI SP9DAT JO90
153430 -24 2076  CQ SP9DAT JO90
161115 -13 1622  SP9DAT R7MP -17
161345  -1  409  SP9DAT DL9GCG -11 (x2)
161515 -16 2381  SP9DAT IN3LTL -14 (x3)
164415 -11 2433  SP9DAT R1BQW -18 (x2)
172345 -16 2621  UA9ZZ SP9DAT JO90 (x3)
173145 -24 1025  RZ9OC SP9DAT JO90
175300 -10  380  SP9DAT F4MSA -19

20m

UTC    dB Audio  Message
142915 -13 1332  SP9DAT DL4JG JO31 (x2)
143315  -6 2562  SP9DAT PA2HD -02 (x4)
150645 +12  418  SP9DAT GB1FBS -10 (x2)
193015  -5 2220  SP9DAT F4GRW -08 (x2)
202400 +13  929  SP9DAT M0GQC -11 (x3)
203415 -16  214  SP9DAT K2TQC -23 (x2)

10m

UTC    dB Audio  Message
075100  -8 1464  SP9DAT F4HMP -07
075130 -15 1463  SP9DAT RR73; HA3GX <...> +12
234100 -14 1429  SP9DAT RN6MA -18 (x2)

80m

UTC    dB Audio  Message
225400 -17 1558  DP6SEVEN SP9DAT JO90 (x6)
225800 -17 2121  HB9EFK SP9DAT JO90 (x4)
212445  -3 2339  <...> SP9DAT JO90
212545  -2  650  RN3YN SP9DAT JO90 (x4)

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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