JA8DNV — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA8DNV operating from Japan. 18 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, 10m, over 8 days, best SNR +5 dB. Heard between 2026-05-11 and 2026-06-21.

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

Overview

Total spots

CQ calls

Days active

-6 dB

Avg SNR

Bands

80m 20m 40m 10m

First seen: 2026-05-11
Last seen: 2026-06-21 17:07 UTC

Frequent QSO partners observed at SO8OO

Stations JA8DNV worked most often, as logged from our receiver:

R7CD · European Russia DL9RDM · Fed. Rep. of Germany 5H1KB · Tanzania 9J2FI · Zambia UN8DSW · Kazakhstan VK0DS · Antarctica

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JA8DNV	Partner	Partner SNR	Msgs
06-18 18:53	80m	+2 / -	R7CD	- / -22	2	✓ Confirmed
06-18 07:54	10m	-18 / -	VK0DS	- / -3	2	✓ Confirmed
06-12 22:48	20m	-4 / -	DL9RDM	- / -15	2	✓ Confirmed
06-04 10:41	10m	-7 / -	A61DD	- / -17	2	Partial
05-27 10:46	10m	-2 / -	9J2FI	- / -21	3	✓ Confirmed

Station Log

80m

UTC    dB  Freq  Message
170430 -12 1052  JA8DNV 4Z5AV R-15
185330  +3 1432  JA8DNV R7CD R-22 (x2)
190745 -15 1206  JA8DNV UA0TP -19

40m

UTC    dB  Freq  Message
172730  +5 2747  JA8DNV OG5O -19
184245 -14  531  JA8DNV UN8DSW 73

10m

UTC    dB  Freq  Message
104615  -2 2832  JA8DNV 9J2FI -21 (x3)
104145  -4 1137  JA8DNV A61DD R-17 (x2)
105130  -3 1340  JA8DNV 7Q7CT R-20
072800 -11  493  JA8DNV 5H1KB RR73
075415 -19 1679  JA8DNV VK0DS R-03 (x2)

20m

UTC    dB  Freq  Message
091800  -1  482  JA8DNV RR73; JG7REV <...> -16
224830  -4 2789  JA8DNV DL9RDM R-15 (x2)