SP3JHZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO71

Receiver-side FT8 activity involving SP3JHZ, decoded by SO8OO in southeastern Poland. 327 related FT8 messages, observed on 40m, 20m, 10m, across 38 UTC dates. Heard between 2026-05-25 and 2026-08-23.

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

327

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-05-25
Last seen: 2026-08-23 16:36 UTC

Frequent QSO partners observed at SO8OO

Stations SP3JHZ worked most often, as logged from our receiver:

SP9CTR · Poland ×2 UN7MBF · Kazakhstan ×2 G4UJS · England ×2 R95WTA · European Russia ×2 SP3FNW · Poland ×2 G3YKI · England ×2 YO9ZIP · Romania YO8RXO · Romania SP2WLC · Poland F4EDB · France R4HGK · European Russia UR4UNR/P · Ukraine

Activity Heatmap

Locator transmitted by SP3JHZ

Approximate centre of JO71, decoded 2026-08-23 19:47 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	SP3JHZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 19:47	20m	+2 / -	LA8MGA	- / -	2	✓ Closing fragment
08-23 18:11	20m	- / -9	CT1CIH	-4 / -	2	✓ Closing fragment
08-23 18:02	20m	- / -	F4MZO	-16 / -	2	✓ Closing fragment
08-22 15:36	20m	- / +5	EA3JIS	+1 / -	2	✓ Closing fragment
08-22 15:33	20m	-1 / -	UB3BCT	- / -7	3	✓ Closing fragment
08-21 19:52	20m	0 / -	KR3BST	- / -	2	Partial capture
08-21 19:24	20m	- / -13	JI4POR	-10 / -	2	✓ Closing fragment
08-21 18:44	20m	+6 / -	ZV8R	- / -	2	Partial capture
08-21 18:41	20m	+9 / -	R1BED	- / -6	2	✓ Closing fragment
08-21 18:39	20m	+16 / -	JH8IYN	- / -10	5	✓ Closing fragment
08-20 18:41	20m	-5 / -	TA1GRH	- / -10	2	✓ Closing fragment
08-19 20:58	20m	- / -	KC1UBT	-18 / -	2	✓ Closing fragment
08-15 21:31	40m	+1 / -	CT2IGO	- / -14	3	✓ Closing fragment
08-15 21:29	40m	+4 / -	OZ1NIB	-10 / -	2	✓ Closing observed
08-15 21:27	40m	+2 / -	SP7VCL	- / +1	3	✓ Closing fragment
08-15 21:25	40m	+1 / -	OZ1NIB	- / -	3	Partial capture
08-15 21:22	40m	-14 / -	DL6YJB	-9 / 0	4	✓ Closing observed
08-15 21:19	40m	0 / -5	DH9ET	0 / +1	5	✓ Full exchange observed
08-15 21:16	40m	-8 / -5	DL7EDU	-3 / 0	5	✓ Full exchange observed
08-15 21:12	40m	-4 / +9	DF1OY	-12 / +3	4	✓ Full exchange observed
08-15 21:08	40m	-10 / -	SP3FNW	- / -11	4	✓ Closing fragment
08-15 21:03	40m	-6 / -7	PD0NGL	-16 / -2	7	✓ Full exchange observed
08-15 20:53	40m	-5 / -	SP9DB	- / -7	4	✓ Closing fragment
08-15 20:47	40m	-8 / -	PD1FL	- / -6	3	✓ Closing fragment
08-15 20:42	40m	-9 / -	SP7OGD	- / +3	2	✓ Closing fragment
08-15 20:23	40m	-8 / -	GB1OL	- / -4	2	Partial capture
08-15 20:06	40m	-10 / -	EN100NP	- / 0	3	Partial capture
08-15 20:04	40m	-3 / -	GB2SL	- / -	3	Partial capture
08-15 20:00	40m	+2 / +8	M8XAD	-6 / -	4	✓ Closing observed
08-15 19:54	40m	-12 / -	SE7LH	- / -7	3	✓ Closing fragment
08-15 19:49	40m	-5 / -	G4UJS	- / -7	2	✓ Closing fragment
08-15 19:47	40m	-2 / -4	OK1VCB	-10 / +2	5	✓ Full exchange observed
08-15 19:43	40m	-4 / -	SP2LQR	- / -11	2	✓ Closing fragment
08-15 19:39	40m	-8 / -	SP5DUJ	- / -6	3	✓ Closing fragment
08-15 19:31	40m	-11 / -	G4UJS	- / -11	2	✓ Closing fragment
08-15 19:30	40m	-9 / -	DG9FEH	- / -5	3	✓ Closing fragment
08-15 19:26	40m	-5 / -	SQ3TR	- / -12	6	✓ Closing fragment
08-15 17:47	40m	-7 / +10	SP5CI	-10 / +3	7	✓ Full exchange observed
08-15 17:40	40m	-2 / -	SQ5WBW	- / -7	3	✓ Closing fragment
08-15 17:35	40m	-2 / -	ON4CHK/P	-17 / -12	4	✓ Closing observed
08-15 17:32	40m	-2 / -	IU2SLI	- / -6	3	✓ Closing fragment
08-15 17:30	40m	-2 / +7	HA5OKE	-3 / +7	5	✓ Full exchange observed
08-15 17:28	40m	-9 / -	ON4CHK/P	- / -	3	Partial capture
08-15 17:13	40m	-6 / -	OE7AAT	- / -6	3	✓ Closing fragment
08-15 17:08	40m	-4 / -	PD9R	- / -12	3	✓ Closing fragment
08-15 17:04	40m	-2 / -	UA1RC	- / -3	2	✓ Closing fragment
08-15 17:03	40m	-4 / -	SV8ZI	- / -7	3	✓ Closing fragment
08-15 17:00	40m	-7 / -	UT2PC	- / +4	4	✓ Closing fragment
08-15 16:57	40m	-11 / -	S21VHF	- / -	2	Partial capture
08-15 16:55	40m	-8 / -	HA1ZN	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
153230 -12  681  SV6JHV SP3JHZ JO71
153300  +2  681  UB3BCT SP3JHZ JO71 (x3)
153630  +0  844  SP3JHZ EA3JIS +05 (x2)
180245 -14 2055  SP3JHZ F4MZO RRR (x2)
181130  -2 1758  SP3JHZ CT1CIH -09 (x2)
182745  -8 1794  SP3JHZ UR4UUR RR73
183400  -8 2925  SP3JHZ TA2TDW RR73
183615  -1 2083  SP3JHZ F4LPO +03
194745  +1  454  LA8MGA SP3JHZ JO71 (x2)

40m

UTC    dB Audio  Message
212245 -18 1957  DL6YJB SP3JHZ R+00
212300  -9 1957  SP3JHZ DL6YJB RR73
212315 -12 1957  DL6YJB SP3JHZ RR73
212530  -7 2189  OZ1NIB SP3JHZ JO71 (x3)
212730  +4 2665  SP7VCL SP3JHZ JO71 (x3)
212915 -10 2665  SP3JHZ OZ1NIB RR73
212930  +4 2665  OZ1NIB SP3JHZ RR73
213130  -1 2665  CT2IGO SP3JHZ R-14 (x3)
213415  -6 2665  MM/F4MFS SP3JHZ JO71

10m

UTC    dB Audio  Message
101230  +5 1941  SQ8SP SP3JHZ JO71 (x2)
101800  +7 1940  IZ7AVW SP3JHZ JO71
101815 -16 1645  SP3JHZ IZ7AVW -05
101830 +13 1941  IZ7AVW SP3JHZ R-03
101845 -17 1645  SP3JHZ IZ7AVW RR73
101900  +5 1941  IZ7AVW SP3JHZ 73
101930  +8 1941  IZ8PPI SP3JHZ R-05
103845  +0 1940  M6JAC SP3JHZ JO71 (x3)
104230  -7 1941  SQ8SP SP3JHZ JO71
105415  +1 1112  <...> SP3JHZ JO71
105545  +0 1528  PY8ZB SP3JHZ JO71
200130 -11 1144  SP3JHZ PY9AA -15

Decoder S/N history by band

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