SP9SDX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO90

Receiver-side FT8 activity involving SP9SDX, decoded by SO8OO in southeastern Poland. 315 related FT8 messages, 110 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 10 UTC dates. Heard between 2026-06-14 and 2026-08-15.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

315

Related messages

110

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-06-14
Last seen: 2026-08-15 18:19 UTC

Frequent QSO partners observed at SO8OO

Stations SP9SDX worked most often, as logged from our receiver:

US7UK · Ukraine ×3 UA4FKT · European Russia ×3 M0BEW · England ×2 F1PBZ · France ×2 ON3BLC · Belgium ×2 EW8DU · Belarus F1IQH · France OK1DOL · Czech Republic DO9SAM · Fed. Rep. of Germany SQ4WMA · Poland TA2BMV · Asiatic Turkey SP3SWJ · Poland

Activity Heatmap

Locator transmitted by SP9SDX

Approximate centre of JO90, decoded 2026-06-28 19:30 UTC. A transmitted locator is not proof of the operator's permanent location.

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	SP9SDX S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 19:51	20m	- / -8	M0BEW	+2 / -	3	✓ Closing fragment
08-14 19:56	40m	- / -15	DK4CH	-15 / -	3	✓ Closing fragment
08-14 19:56	40m	- / -	SP3SBY	-12 / -	2	Partial capture
08-14 19:47	40m	- / -14	UA4FKT	-7 / -	3	✓ Closing fragment
06-28 19:33	10m	- / -11	M0BEW	0 / -	2	✓ Closing fragment
06-28 19:31	40m	- / -	YO9BGU	-15 / -	2	Partial capture
06-28 19:24	40m	- / -14	UV1IX	-13 / -	3	✓ Closing fragment
06-28 19:21	40m	-10 / -	UN8DSW	- / -12	3	✓ Closing fragment
06-28 16:41	40m	-19 / -	YO3GJE	- / -9	3	Partial capture
06-28 16:36	40m	-18 / -	9A4DK	- / -7	2	✓ Closing fragment
06-28 16:31	40m	-15 / 0	SP3IPA	-11 / -3	7	✓ Full exchange observed
06-28 15:59	20m	- / -	UR7VU	-14 / -	2	Partial capture
06-27 21:27	60m	-11 / -5	DL1MGU	-17 / -12	10	✓ Full exchange observed
06-27 21:25	60m	-10 / -	SP5SZE	- / -20	3	✓ Closing fragment
06-27 21:20	80m	-2 / -18	F1PBZ	-14 / -19	5	✓ Full exchange observed
06-27 21:14	80m	+4 / -	IS0AFM	- / -19	5	Partial capture
06-27 21:11	80m	-5 / -	DO5UH/P	- / -10	3	Partial capture
06-27 21:08	80m	-1 / -20	UA4FKT	+7 / -6	6	✓ Full exchange observed
06-27 21:04	80m	-1 / -	SV2AEL	- / -7	6	Partial capture
06-27 21:03	80m	+6 / -10	E70SZ	+8 / -14	5	✓ Full exchange observed
06-27 20:44	40m	-14 / -	R3IDH	- / -18	3	✓ Closing fragment
06-27 20:41	40m	-10 / -	SP9OJ	-2 / -10	3	✓ Closing observed
06-27 20:40	40m	-13 / -8	SP7TF	-8 / -	3	✓ Closing observed
06-27 20:37	40m	- / -24	UX7QG	-10 / -	4	✓ Closing fragment
06-27 20:33	40m	-14 / -	YL3FW	- / -16	2	Partial capture
06-27 20:31	40m	-9 / -8	R2BIU	-21 / -7	3	✓ Full exchange observed
06-27 20:10	40m	- / -6	SP0ZKR	+4 / -	2	✓ Closing fragment
06-26 22:14	40m	- / -10	OE6TNO	-8 / -	3	✓ Closing fragment
06-26 21:56	40m	- / +2	OK1DOL	+1 / -	2	✓ Closing fragment
06-26 21:53	40m	-16 / -	SP9AU	- / -7	2	Partial capture
06-26 21:50	40m	- / -1	SQ2SKI	0 / -	3	✓ Closing fragment
06-26 21:39	80m	-4 / -	A71UN	- / -9	13	Partial capture
06-26 21:36	80m	-7 / -	R2EA/P	- / -10	5	Partial capture
06-26 21:35	80m	-10 / -	<...>	- / -14	2	Partial capture
06-26 21:32	80m	-1 / -17	OH5KNL	+4 / -6	5	✓ Full exchange observed
06-26 21:29	80m	-3 / -	<...>	- / -11	3	Partial capture
06-26 21:27	80m	-2 / -21	EW2ZC	+2 / -4	6	✓ Full exchange observed
06-26 21:24	80m	-5 / -6	DL7ACA	0 / -10	9	✓ Full exchange observed
06-26 21:23	80m	-7 / -13	SP9RIO	-2 / -16	6	✓ Full exchange observed
06-26 21:19	80m	-2 / -10	SP1LJZ	+2 / -6	8	✓ Full exchange observed
06-26 21:19	80m	-1 / -12	ON3BLC	-2 / -15	4	✓ Full exchange observed
06-26 21:16	80m	-3 / -15	HB9EXN	-5 / -	4	✓ Closing observed
06-26 20:53	40m	- / -6	UA3VVA	-15 / -	3	✓ Closing fragment
06-23 22:06	40m	- / -19	<...>	-14 / -	2	Partial capture
06-23 22:00	40m	- / -	SP5LST	-10 / -	2	Partial capture
06-23 22:00	40m	- / -	US2YW	0 / -	3	Partial capture
06-23 21:55	40m	- / -16	SP5LST	-11 / -	3	✓ Closing fragment
06-23 21:44	40m	- / +3	UF1A	-12 / -	2	✓ Closing fragment
06-23 21:17	40m	- / -	HG8IT	-20 / -	2	✓ Closing fragment
06-23 21:07	40m	- / -8	DK1GP	-12 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
210130 +12 1973  SP9SDX R4FDK LO23
190230  -4 2671  SP9SDX F1PBZ -15 (x2)
190430  -8 1626  SP9SDX F1POK JN27 (x2)
214030  +9 2854  SP9SDX IQ4JO JN63 (x2)
155900 -17 1431  SP9SDX UR7VU KN68 (x2)
160200  +1 2732  SP9SDX IQ4JO JN63
193845 -23 1170  SP9SDX RN6MA -16
195130  +0 1170  SP9SDX M0BEW -08 (x3)
201900 -15 1169  SP9SDX M0PFX 73

40m

UTC    dB Audio  Message
192945  -9 1039  CQ SP9SDX JO90 (x3)
193130 -14 1034  SP9SDX YO9BGU KN34 (x2)
194530 -18  906  F1IQH SP9SDX RR73
194715  -7  904  SP9SDX UA4FKT LO23 (x3)
195345 -11 1444  SP9SDX UT5ZC R-20
195600 -12 1180  SP9SDX SP3SBY JO70 (x2)
195645 -12 1443  SP9SDX DK4CH JN59 (x3)

10m

UTC    dB Audio  Message
193330  -1 1264  SP9SDX M0BEW -11 (x2)

80m

UTC    dB Audio  Message
211815  -3 1008  CQ SP9SDX JO90 (x5)
212030 -13 2504  SP9SDX F1PBZ -18 (x2)
212115  +0 2504  F1PBZ SP9SDX R-19
212130 -16 2504  SP9SDX F1PBZ RR73
212145  -5 2504  F1PBZ SP9SDX 73
212215  -1 2504  CQ SP9SDX JO90 (x4)
213300 +11  916  SP9SDX SP9MRP JO90

60m

UTC    dB Audio  Message
212415 -14 1131  CQ SP9SDX JO90 (x2)
212545  -7 1131  SP5SZE SP9SDX -20 (x3)
212745 -10 1131  DL1MGU SP9SDX -12 (x6)
213030 -16 1131  SP9SDX DL1MGU R-05 (x2)
213115 -15 1131  DL1MGU SP9SDX RR73
213130 -19 1131  SP9SDX DL1MGU 73

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.