JH8RZJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JH8RZJ, decoded by SO8OO in southeastern Poland. 65 related FT8 messages, observed on 80m, 40m, 20m, across 9 UTC dates. Heard between 2026-05-07 and 2026-08-04.

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

Related messages

CQ messages

UTC dates heard

-3 dB

Mean decoder S/N

Bands

80m 40m 20m

First seen: 2026-05-07
Last seen: 2026-08-04 18:23 UTC

Frequent QSO partners observed at SO8OO

Stations JH8RZJ worked most often, as logged from our receiver:

YO7VNS · Romania ×2 A92AE · Bahrain SV2HTW · Greece IZ2DPX · Italy LA8ENA · Norway IQ0VT · Italy UA9CMN · Asiatic Russia F5RRS · France BI8SCC · China YO6OGW · Romania UA1OCF · European Russia RA3ZH · European Russia

Activity Heatmap

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	JH8RZJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-27 20:42	20m	- / -	G4CFS	+1 / -	3	Partial capture
06-27 19:54	20m	- / -	EA3IDY	-3 / -	4	Partial capture
06-27 19:52	20m	- / -11	R5DT	-7 / -	2	✓ Closing fragment
06-27 19:46	20m	- / -	EA3IDY	-9 / -	2	Partial capture
06-27 19:45	20m	- / -15	IZ2DPX	-4 / -	2	✓ Closing fragment
06-23 21:56	20m	- / -12	YO4NF	-8 / -	2	Partial capture
06-23 21:46	20m	- / -	F5PBG	-10 / -	4	Partial capture
06-23 21:46	20m	- / -7	YO4NF	-8 / -	2	Partial capture
06-13 20:08	20m	-7 / -7	YO7VNS	-14 / -20	5	✓ Full exchange observed
06-13 19:59	20m	- / -15	F5RRS	-1 / -	4	✓ Closing fragment
06-12 23:35	20m	- / -15	UA9CMN	-8 / -	3	✓ Closing fragment
06-06 20:53	20m	- / -	YO3EGE	+4 / -	2	Partial capture
06-06 20:52	20m	-10 / -10	RA4AAT	-20 / -	2	Partial capture
06-06 20:51	20m	- / -7	IQ0VT	-6 / -	2	✓ Closing fragment
06-06 20:37	20m	- / -	LZ4VR	+7 / -	2	Partial capture
06-06 20:37	20m	- / -10	RA3ZH	+14 / -	4	✓ Closing fragment
06-06 20:34	20m	-5 / -	ON6AA	+3 / -9	3	Partial capture
06-06 20:34	20m	-5 / -16	LA8ENA	+1 / -	6	✓ Closing observed
06-06 20:32	20m	-14 / -	UA1OCF	- / -14	3	✓ Closing fragment
06-05 19:29	20m	-6 / -	BA7SAY	- / -13	2	Partial capture
06-05 19:27	20m	-12 / -	YO8RQP	- / -5	2	Partial capture
06-05 19:24	20m	-12 / -	SV2HTW	- / -	2	✓ Closing fragment
06-04 22:18	20m	- / -16	BI8SCC	-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
202330  -2 1193  JH8RZJ UR1CCT KN69

20m

UTC    dB Audio  Message
215645  -6 2498  JH8RZJ YO4NF -12
194500  -8  406  JH8RZJ IZ2DPX -15 (x2)
194630  -8  582  JH8RZJ EA3IDY JN01 (x2)
195230  -4 2127  JH8RZJ R5DT -11 (x2)
195400 -11 2544  JH8RZJ YU7XL -14
195430  -2  582  JH8RZJ EA3IDY JN01 (x4)
204200  +0 2953  JH8RZJ G4CFS IO91 (x3)

Decoder S/N history by band

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