JF1MAD — FT8 station from Japan

Japan Grid: LN28

Amateur radio station JF1MAD operating from Japan (grid square LN28). 10 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 5 days, best SNR +5 dB. Heard between 2026-05-02 and 2026-05-29.

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

Overview

Total spots

CQ calls

Days active

-9 dB

Avg SNR

Bands

20m 40m 10m

First seen: 2026-05-02
Last seen: 2026-05-29 13:44 UTC

Frequent QSO partners observed at SO8OO

Stations JF1MAD worked most often, as logged from our receiver:

7Q3AM · Malawi TT1GD · Chad 5B4AMX · Cyprus AU2M · India

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	JF1MAD	Partner	Partner SNR	Msgs
05-29 15:44	20m	+8 / -	R4AEH	- / -	2	Partial
05-28 11:54	10m	-6 / -	7Q3AM	- / -23	2	✓ Confirmed
05-24 15:29	20m	- / -	<...>	-16 / -	2	Partial
05-23 13:21	10m	-24 / -	5B4AMX	- / -17	2	✓ Confirmed
05-02 20:37	40m	-6 / -	AU2M	- / -16	2	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
161530  -6 2977  JF1MAD ON6AA R-19
163245 -14  833  TT1GD JF1MAD R-18
164600  +1  575  JF1MAD TT1GD RR73
140330 -14 2701  VK9BSA JF1MAD PM95
152915 -16 2581  <...> JF1MAD PM95 (x2)
154415  +5 1560  JF1MAD R4AEH LN28 (x2)

10m

UTC    dB  Freq  Message
132100 -24 1494  JF1MAD 5B4AMX -17 (x2)
115400  -5 1391  JF1MAD 7Q3AM -23 (x2)

40m

UTC    dB  Freq  Message
203700  -6  356  JF1MAD AU2M -16 (x2)
171030 -16 2158  JF1MAD TL8BNW -19