JJ1HTT — FT8 station from Japan

Japan Grid: ?

Amateur radio station JJ1HTT operating from Japan. 66 FT8 spots received at SO8OO WebSDR, active on 20m, over 17 days, best SNR +11 dB. Heard between 2026-04-22 and 2026-07-18.

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

Overview

66
Total spots
0
CQ calls
17
Days active
-5 dB
Avg SNR

Bands

20m
First seen: 2026-04-22
Last seen: 2026-07-18 10:38 UTC

Frequent QSO partners observed at SO8OO

Stations JJ1HTT worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJJ1HTTPartnerPartner SNRMsgs
06-19 13:10 20m -4 / - R4LZ - / -12 2 ✓ Confirmed
06-17 13:33 20m -6 / - UB8CPH - / -11 2 ✓ Confirmed
06-17 13:17 20m +5 / - PI4DX - / -21 2 ✓ Confirmed
06-05 12:58 20m -4 / - RY9W - / -18 2 Partial
06-05 12:50 20m +5 / - RA3ZQ - / -14 2 ✓ Confirmed
05-30 11:58 20m +9 / - ON6AA - / -26 3 Partial
05-29 14:46 20m -3 / - UA4FKT - / -22 2 Partial
05-27 12:06 20m -16 / - EX8ABR/P - / -15 2 ✓ Confirmed
05-21 16:18 20m +4 / - 4X5MZ - / -16 2 ✓ Confirmed
05-20 12:53 20m -9 / - R8CIS - / -5 2 ✓ Confirmed
05-16 11:44 20m -17 / - EX8ABQ - / -7 2 Partial
04-30 13:12 20m +5 / - RA9MI - / -6 2 ✓ Confirmed
04-30 13:02 20m 0 / - R3KFA - / -16 2 ✓ Confirmed
04-30 12:47 20m +4 / - RU3QR - / -20 2 ✓ Confirmed
04-30 12:29 20m +4 / - UB9MEU - / -23 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
125030  +6 2875  JJ1HTT RA3ZQ R-14 (x2)
125615  -7  415  JJ1HTT HL2NF 73
125830  -1 2056  JJ1HTT RY9W R-18 (x2)
131530 -13  556  JJ1HTT UA9UCT 73
081930 -20 1230  JJ1HTT RW4LNL R-19
083215 -13 2917  JJ1HTT JH8SIT 73
131715  +7  921  JJ1HTT PI4DX R-21 (x2)
133300  -3 2933  JJ1HTT UB8CPH R-11 (x2)
131045  -4 1484  JJ1HTT R4LZ R-12 (x2)
123845  -9 2422  JJ1HTT RM4N R-19

SNR History by Band