JA5AUC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM63

Receiver-side FT8 activity involving JA5AUC, decoded by SO8OO in southeastern Poland. 424 related FT8 messages, 5 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 43 UTC dates. Heard between 2026-06-03 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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

424

Related messages

CQ messages

UTC dates heard

-4 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-06-03
Last seen: 2026-08-23 18:16 UTC

Frequent QSO partners observed at SO8OO

Stations JA5AUC worked most often, as logged from our receiver:

SQ9BC · Poland ×2 EA8UP · Canary Islands ×2 YO8PS · Romania M1IHM · England TN8GD · Republic of the Congo OH1JP · Finland SP6JIU · Poland GM3AND · Scotland SP4MSY · Poland M7CYY · England SQ8V · Poland OK1XD · Czech Republic

Activity Heatmap

Locator transmitted by JA5AUC

Approximate centre of PM63, decoded 2026-08-23 20:15 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	JA5AUC S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 09:42	10m	- / -	DF8QB	-4 / -	2	Partial capture
08-22 09:23	10m	- / -16	EA3AKY	-11 / -	3	✓ Closing fragment
08-20 21:01	40m	-11 / -14	EA1FAW	-14 / -	4	Partial capture
08-20 20:18	80m	- / -	UA3PY	-2 / -	3	Partial capture
08-18 20:27	80m	- / -	R6ZEJ	+3 / -	3	Partial capture
08-16 20:53	20m	- / -20	M7TUP	-14 / -	3	Partial capture
08-16 20:51	20m	- / -	F4IBJ	-2 / -	6	Partial capture
08-16 20:49	20m	- / -12	EA3EDU	+1 / -	7	✓ Closing fragment
08-16 20:48	20m	- / -	EA5FQ	-14 / -	2	Partial capture
08-16 20:46	20m	- / -	M0HJJ	-14 / -	2	✓ Closing fragment
08-12 20:17	20m	- / -18	OZ7CL	-12 / -	2	Partial capture
08-12 20:17	20m	- / -15	PA7TT	-6 / -	2	✓ Closing fragment
08-12 20:11	80m	- / -	RX6DA	0 / -	2	Partial capture
08-12 20:01	80m	- / -24	EU3AA	+11 / -	5	✓ Closing fragment
08-11 21:45	20m	- / -	EA1FUB	-6 / -	12	Partial capture
08-11 20:45	80m	- / -15	LZ1GC	+12 / -	3	✓ Closing fragment
08-10 20:48	40m	- / -12	DD6WF	+4 / -	3	✓ Closing fragment
08-10 20:46	40m	- / -3	IK6GPZ	-6 / -	7	Partial capture
08-10 20:37	40m	- / -11	SQ9BC	-6 / -	6	✓ Closing fragment
08-10 20:35	40m	- / -14	ER3CT	-15 / -	3	✓ Closing fragment
08-10 20:31	40m	- / -10	DL1IP	+1 / -	3	✓ Closing fragment
08-10 20:29	40m	- / -14	OK1XD	0 / -	2	✓ Closing fragment
08-10 20:26	40m	- / -13	OZ1LDO	-16 / -	2	Partial capture
08-10 20:25	40m	- / -10	F4JTM	-2 / -	2	✓ Closing fragment
08-10 20:14	80m	- / -	PI4DX	+4 / -	5	Partial capture
08-10 20:13	80m	- / -24	OZ8ABA	+5 / -	2	✓ Closing fragment
08-10 20:12	80m	- / -	SP2HNF	+18 / -	3	Partial capture
08-10 20:08	80m	- / -16	DJ2KP	0 / -	2	✓ Closing fragment
08-10 19:55	80m	- / -13	YL3MM	+3 / -	4	✓ Closing fragment
08-10 19:54	80m	- / -25	OH1JP	+12 / -	2	✓ Closing fragment
08-09 21:21	20m	- / -	RD6OZ	-16 / -	2	Partial capture
08-09 21:13	20m	- / -16	F5PBG	-2 / -	3	✓ Closing fragment
08-09 21:05	20m	- / -	EA5HM	-16 / -	2	Partial capture
08-09 21:05	20m	- / -13	GM3AND	-14 / -	2	✓ Closing fragment
08-09 20:41	40m	- / -17	ON5RZ	-7 / -	9	Partial capture
08-09 20:35	40m	- / -	OE2WUL	-6 / -	2	Partial capture
08-09 20:33	40m	- / -15	OH0ERF	-15 / -	3	Partial capture
08-07 21:01	20m	-3 / -	G4YLJ	- / -15	4	Partial capture
08-07 20:59	20m	-5 / -	M7CYY	-14 / -11	3	✓ Closing observed
08-07 20:54	20m	-3 / -	DL3NA	-11 / -7	2	Partial capture
08-07 20:49	20m	- / -	M8KUG	-9 / -	5	Partial capture
08-07 20:42	20m	-6 / -	SP4MSY	- / -5	2	✓ Closing fragment
08-07 20:41	20m	-8 / -	M0ABG	- / -20	2	✓ Closing fragment
08-07 20:32	40m	- / -11	LY1DY	-14 / -	2	✓ Closing fragment
08-07 20:23	40m	- / -16	SP9KM	-8 / -	3	✓ Closing fragment
08-07 20:21	40m	- / -14	ON7NQ	-2 / -	3	Partial capture
08-07 20:02	80m	- / -20	PA5KM	+2 / -	2	✓ Closing fragment
08-05 21:15	20m	- / -6	GM3DRA	-6 / -	13	Partial capture
08-05 21:07	20m	-10 / -	<...>	- / -14	2	Partial capture
08-04 20:37	20m	- / -2	7X5CY	-10 / -	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
204645  -4  923  JA5AUC IK6GPZ JN62 (x4)
204845  +3 2695  JA5AUC DD6WF JO62
204845  -6  923  JA5AUC IK6GPZ R-03
204915  +5 2695  JA5AUC DD6WF R-12
204915  -8  924  JA5AUC IK6GPZ R-03
204945  +5 2695  JA5AUC DD6WF 73
210115 -11 2691  EA1FAW JA5AUC PM63
210230 -19 1435  JA5AUC EA1FAW -14 (x3)
201515  -7 2468  <...> JA5AUC PM63
201600 -10 2250  JA5AUC IS0LYN JN40

10m

UTC    dB Audio  Message
193700  +6 2804  JA5AUC 7Q3CM -21 (x2)
093700  +2  444  JA5AUC RR73; R6TY <...> -04
220615 -11 1995  JA5AUC IK1LRX JN34 (x7)
092300  -8 2233  JA5AUC EA3AKY -16 (x3)
094200  -7 2409  JA5AUC DF8QB JO31 (x2)

80m

UTC    dB Audio  Message
195945 -22 2555  CQ DX JA5AUC PM63
200100 +10 1892  JA5AUC EU3AA KO22
200115 -19 2555  CQ DX JA5AUC PM63
200230  +9 1893  JA5AUC EU3AA KO22 (x4)
201100  +2 2039  JA5AUC RX6DA KN85 (x2)
202700  -1  584  JA5AUC R6ZEJ KN98 (x3)
201830  -4  669  JA5AUC UA3PY KO84 (x3)

20m

UTC    dB Audio  Message
205015  +5  960  JA5AUC EA3EDU JN01 (x4)
205145  +1 1596  JA5AUC F4IBJ IN96
205215  -5  961  JA5AUC EA3EDU 73
205215  -2 1596  JA5AUC F4IBJ IN96 (x3)
205315 -14 2050  JA5AUC M7TUP -20
205345  -1 1596  JA5AUC F4IBJ IN96
205345 -13 2050  JA5AUC M7TUP -20
205415  -1 1596  JA5AUC F4IBJ IN96
205445 -16 2049  JA5AUC M7TUP RRR
205600 -17  879  G1USB JA5AUC -08

160m

UTC    dB Audio  Message
203100  +5 2699  JA5AUC DL4KSD JO71

Decoder S/N history by band

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