JA7UKM — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA7UKM operating from Japan. 47 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 20m, 10m, over 14 days, best SNR +8 dB. Heard between 2026-04-22 and 2026-06-24.

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

Overview

Total spots

CQ calls

Days active

-7 dB

Avg SNR

Bands

20m 10m

First seen: 2026-04-22
Last seen: 2026-06-24 10:42 UTC

Frequent QSO partners observed at SO8OO

Stations JA7UKM worked most often, as logged from our receiver:

UN8DAW · Kazakhstan UB8CPK · Asiatic Russia R40CHA · European Russia UB8CPH · Asiatic Russia UF8C · Asiatic Russia MI7XHT · Northern Ireland 9J2FI · Zambia OH2MA · Finland HZ1TT · Saudi Arabia R3BHK · European Russia HA/DL6RBG/P · Hungary

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JA7UKM	Partner	Partner SNR	Msgs
05-28 10:58	10m	-16 / -	HZ1TT	- / -10	2	✓ Confirmed
05-26 11:11	10m	-4 / -	9J2FI	- / -12	2	✓ Confirmed
05-13 11:28	20m	-5 / -	PD4JVB	- / -	3	Partial
05-13 11:26	20m	-8 / -20	UF8C	-9 / -	2	✓ Verified
05-12 12:28	20m	- / -21	SM5FWW	-14 / -	2	Partial
05-12 12:26	20m	-10 / -	IU7XWD	- / -	2	Partial
05-12 12:25	20m	- / -	HA/DL6RBG/P	+2 / -	3	✓ Confirmed
05-12 12:25	20m	+4 / -	OH2MA	- / -4	3	✓ Confirmed
05-12 12:20	20m	- / -14	UN8DAW	-9 / -	3	✓ Confirmed
05-06 11:01	10m	-14 / -	5B4AMX	- / -8	2	Partial
04-30 11:35	20m	-8 / -20	PD0DEX	-8 / -9	3	Partial
04-29 11:41	20m	-12 / -	PA3MVD	- / -	2	Partial
04-29 11:38	20m	-4 / -	M3DCJ	- / -	2	Partial
04-29 11:38	20m	-2 / -	UA1ALW	- / -18	3	Partial
04-29 11:31	20m	-6 / -	PD0DDA	- / -	8	Partial
04-28 11:49	20m	-8 / -	OH3MB	- / -6	2	Partial
04-28 11:46	20m	-8 / -	UB8CPK	- / -12	2	✓ Confirmed
04-22 07:29	20m	-3 / -	R40CHA	- / -14	2	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
112800  -9 2151  JA7UKM PD4JVB JO21 (x3)
113045  -8 2857  OH1NHX JA7UKM QM09
120415 -11 1260  DL2AAK JA7UKM QM09
120600  +1 1581  JA7UKM R3BHK RR73
113600  -3 1349  JA7UKM UB5O/M -04
122900 -17 2028  WD0AOB JA7UKM QM09 (x2)
115545 -15 1824  <...> JA7UKM R-03
121315  +8 1928  JA7UKM HB10GBT -07
121415 -24 1663  JA7UKM 2E0EZE IO81
125330  -7 3011  G0ORX JA7UKM QM09
133715 -14 2735  JA7UKM MI7XHT 73
124200 -19 3131  JA7UKM UB8CPH RR73

10m

UTC    dB  Freq  Message
110145 -16 1300  JA7UKM 5B4AMX -08 (x2)
111145  -3 2833  JA7UKM 9J2FI -12 (x2)
105845 -18 1769  JA7UKM HZ1TT -10 (x2)