SP1JA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO73

Receiver-side FT8 activity involving SP1JA, decoded by SO8OO in southeastern Poland. 185 related FT8 messages, 31 CQ messages, observed on 80m, 40m, 20m, 10m, across 18 UTC dates. Heard between 2026-05-18 and 2026-08-16.

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

185

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-18
Last seen: 2026-08-16 08:07 UTC

Frequent QSO partners observed at SO8OO

Stations SP1JA worked most often, as logged from our receiver:

UA4FKT · European Russia ×2 R5AV · European Russia ×2 DL6UXL · Fed. Rep. of Germany PF1B · Netherlands LB5WB · Norway G0BLB · England F4BYA · France RU3QR · European Russia F4HSB · France SQ7SE · Poland F1ODM · France TK4BB · Corsica

Activity Heatmap

Locator transmitted by SP1JA

Approximate centre of JO73, decoded 2026-08-15 20:51 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	SP1JA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-16 10:03	20m	- / -	PD3LKN	-9 / -	7	Partial capture
08-16 09:52	20m	- / -2	DJ1TU	-14 / -	3	✓ Closing fragment
08-16 09:51	20m	- / -	OK1DBE	0 / -	3	Partial capture
08-16 09:49	20m	- / -13	R5AV	+4 / -	2	✓ Closing fragment
08-15 20:49	40m	-12 / -	DD6CS	-16 / -16	3	✓ Closing observed
08-15 20:49	40m	-13 / -	PF1B	-14 / -6	4	✓ Closing observed
08-15 20:37	80m	- / -22	HF5A	+11 / -	3	✓ Closing fragment
08-15 20:34	80m	- / -20	DD7EE	+10 / -	3	✓ Closing fragment
08-13 18:43	80m	-9 / -7	SQ2PQ	+8 / -13	7	✓ Full exchange observed
07-31 21:38	40m	-17 / -	UN7PPV	- / -15	2	✓ Closing fragment
07-31 21:36	40m	-18 / -	ON4MAP	- / -9	2	✓ Closing fragment
07-31 21:34	40m	-16 / -	SV1EKI	- / -6	2	✓ Closing fragment
07-31 21:33	40m	-18 / -	RD3FY	- / -5	2	✓ Closing fragment
07-31 21:33	40m	- / -7	F1PBZ	-14 / -	2	Partial capture
07-31 21:31	40m	-14 / -6	OK1TRJ	-13 / -	4	✓ Closing observed
07-29 21:24	40m	-14 / -	IT9ACJ	- / -	2	Partial capture
07-29 21:21	40m	-10 / -13	EW2ZC	-10 / -	3	✓ Closing observed
07-29 21:18	40m	-11 / -	F1IQH	- / -9	3	✓ Closing fragment
07-29 21:17	40m	-14 / -7	R5AV	-7 / -6	3	✓ Full exchange observed
07-29 21:08	80m	-4 / -4	DO8JB	-6 / -19	10	✓ Full exchange observed
07-15 20:03	40m	-7 / -1	PA2KV	-6 / -	3	✓ Closing observed
07-15 20:00	40m	-8 / -	SQ5OMY	- / -13	4	Partial capture
07-09 09:30	20m	-20 / -	HA1BF	- / +5	2	Partial capture
07-09 09:28	20m	- / -10	EA8UP	-14 / -	2	✓ Closing fragment
07-09 09:22	20m	- / -2	LB5WB	-8 / -	2	✓ Closing fragment
07-09 09:12	20m	-15 / -13	PD1HPB	-18 / -23	7	✓ Full exchange observed
07-09 09:08	20m	-12 / -	F4MXT	- / -21	3	✓ Closing fragment
07-08 20:52	80m	-3 / -17	IT9FEG	-9 / -12	5	✓ Full exchange observed
07-08 20:51	80m	-8 / -	F1LZV	- / -10	3	✓ Closing fragment
07-08 20:49	80m	-10 / -12	HB9EFK	+16 / +5	4	✓ Full exchange observed
07-08 20:47	80m	+2 / -	DM8ET	- / -7	2	✓ Closing fragment
07-08 20:45	80m	+5 / +8	DL3AS	+10 / -	4	✓ Full exchange observed
07-08 20:42	80m	0 / -	IK3BVD	- / -	2	Partial capture
07-08 17:16	40m	- / -13	OZ9FF	-16 / -	2	✓ Closing fragment
07-08 17:10	40m	- / -10	DL6ZXG	-6 / -	3	✓ Closing fragment
07-08 17:02	20m	-9 / -	EA3GXK	-10 / -4	9	Partial capture
07-08 17:01	20m	-10 / -	ON4MGV	- / +9	2	✓ Closing fragment
06-28 20:22	80m	+3 / +2	UA4FKT	+7 / -7	5	✓ Full exchange observed
06-28 20:20	80m	+4 / -	SN3MB	- / -18	6	✓ Closing fragment
06-25 18:56	80m	-10 / +3	SQ7SE	+9 / -9	6	✓ Full exchange observed
06-15 12:17	20m	-4 / -	E70A	- / -16	2	✓ Closing fragment
06-15 12:12	20m	- / -	F5IXN	-1 / -	4	Partial capture
06-14 12:48	10m	- / -16	RU3QR	-1 / -	5	✓ Closing fragment
06-14 10:01	20m	-21 / -	CT1BFP	- / -	2	Partial capture
06-14 09:38	20m	-4 / -16	YO6OGW	-10 / +1	8	✓ Full exchange observed
06-14 09:36	20m	-2 / -	IQ4JO	+16 / -8	3	✓ Closing observed
06-14 09:32	20m	-1 / -	OH6DHM	- / -10	4	Partial capture
06-14 09:24	20m	-5 / -8	PD1ADA	-6 / -2	3	Partial capture
06-14 09:22	20m	- / -12	F1ODM	-8 / -	2	✓ Closing fragment
06-14 09:14	40m	- / -10	IQ3GO	-1 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
094930  +2  663  SP1JA R5AV -13 (x2)
095100  -1  664  SP1JA OK1DBE JN69 (x2)
095200 -14 1920  SP1JA DJ1TU JN48
095200  +1  664  SP1JA OK1DBE JN69
095230 -14 1920  SP1JA DJ1TU R-02 (x2)
100330 -10  665  SP1JA PD3LKN JO22 (x7)

40m

UTC    dB Audio  Message
213730 -14 1726  CQ SP1JA JO73
213800 -19 1726  UN7PPV SP1JA R-15 (x2)
204330 -10 1726  CQ SP1JA JO73
204345 -22 1726  SP1JA PA7D JO23
204600 -10 1726  UA4FKT SP1JA RR73
204900 -15 1726  CQ SP1JA JO73
204915 -14  856  SP1JA PF1B JO22
204930 -13 1726  PF1B SP1JA -06
204945 -16 1727  SP1JA DD6CS JO31
205000 -13 1726  PF1B SP1JA RR73
205015 -13  855  SP1JA PF1B 73
205030 -12 1726  DD6CS SP1JA -16 (x2)
205145  -3  627  Z34CMF SP1JA JO73

80m

UTC    dB Audio  Message
211230  -8  978  SP1JA DO8JB 73
184300 -10  453  SQ2PQ SP1JA JO73
184315  +8  453  SP1JA SQ2PQ -07 (x3)
184530 -15  452  SQ2PQ SP1JA R-13 (x2)
184615  +8  687  SP1JA SQ2PQ RR73
203415  +6 1087  SP1JA DD7EE JO41 (x3)
203715 +11 2745  SP1JA HF5A JO92
203745 -11 1588  SP1JA DG3EAJ -12
203745 +14 2745  SP1JA HF5A R-22 (x2)

10m

UTC    dB Audio  Message
084930 -10 1090  SP1JA IQ8PC JN70
085300 -11 1470  SP1JA TK4BB -03 (x2)
074845 -10 1977  ER3CT SP1JA 73
075045 -14 1382  HB9ENR SP1JA JO73 (x3)
124830  -1 1366  SP1JA RU3QR -16 (x5)
111930 -12 2391  SP1JA LZ2RR -10

Decoder S/N history by band

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