JH8SIT — FT8 station from Japan

Japan Grid: QN03

Amateur radio station JH8SIT operating from Japan (grid square QN03). 244 FT8 spots received at SO8OO WebSDR, 69 CQ calls, active on 40m, 20m, over 14 days, best SNR +20 dB. Heard between 2026-04-21 and 2026-05-09.

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

Overview

244
Total spots
69
CQ calls
14
Days active
-5 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-21
Last seen: 2026-05-09 19:55 UTC

Frequent QSO partners observed at SO8OO

Stations JH8SIT worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH8SITPartnerPartner SNRMsgs
05-09 21:53 20m -2 / -18 ON3MOH -2 / -6 5 ✓ Complete
05-09 21:49 20m -10 / - F6CAM -5 / - 2 ✓ Verified
05-09 21:37 20m -9 / - EA1AOC - / - 2 Partial
05-09 21:37 20m - / -8 DH7ULX -1 / - 2 ✓ Confirmed
05-09 21:32 20m -4 / -15 EA7KO -5 / -11 6 ✓ Complete
05-09 21:30 20m -1 / - EA7HBM -6 / - 2 ✓ Verified
05-09 21:21 20m +9 / -2 IW2NZD -10 / -8 4 ✓ Complete
05-09 10:17 20m -5 / - M7FCX - / - 2 Partial
05-08 10:56 20m +2 / - DF8JK - / - 2 Partial
05-05 22:17 20m -13 / - EA1JVG - / - 5 Partial
05-05 08:31 20m -11 / - DL1RI - / -6 2 ✓ Confirmed
05-03 22:24 20m -3 / -22 EA4CTP -11 / - 2 Partial
05-03 22:23 20m -17 / -20 IU8UVB -6 / - 4 ✓ Verified
05-03 22:21 20m - / -15 BG5BNW -3 / - 2 ✓ Confirmed
05-03 22:20 20m - / -13 M6OTN -8 / - 2 ✓ Confirmed
05-03 22:18 20m - / -13 F5PBG -7 / - 2 ✓ Confirmed
05-03 22:15 20m - / -16 I1FQH +2 / - 2 ✓ Confirmed
05-03 11:38 20m -12 / - RV6F - / - 2 Partial
05-03 11:37 20m -12 / - 4X6FB - / - 2 Partial
05-02 12:18 20m -10 / - PD1ADA - / - 3 Partial
05-02 12:17 20m - / -1 UA0LQE -4 / - 2 ✓ Confirmed
04-30 11:22 20m -14 / - RK1AT - / -18 3 Partial
04-30 11:21 20m -18 / - MI7RDK - / - 2 Partial
04-29 22:08 20m -2 / - EA7EZ - / -11 2 Partial
04-29 22:01 20m +6 / - M0ILT - / -14 2 ✓ Confirmed
04-29 21:57 20m -3 / - M7IJS - / -9 2 Partial
04-28 14:32 20m +8 / - RQ7O - / -15 4 ✓ Confirmed
04-28 14:23 20m - / -16 OM3WFH -8 / - 2 ✓ Confirmed
04-28 14:21 20m - / -19 OK1GF -9 / - 3 ✓ Confirmed
04-28 14:19 20m -2 / - ON3BM -8 / - 5 ✓ Verified
04-28 14:19 20m - / -18 PA3MVD -8 / - 2 ✓ Confirmed
04-28 14:16 20m - / -14 DH1MH -10 / - 3 ✓ Confirmed
04-28 14:14 20m - / -19 W5NAK -9 / - 2 Partial
04-28 14:12 20m - / -17 PD0BKL -4 / - 2 ✓ Confirmed
04-28 14:11 20m - / -16 RA3LCI -8 / - 2 ✓ Confirmed
04-28 14:07 20m -2 / -4 RC6OX -9 / -6 5 ✓ Complete
04-28 14:02 20m +8 / - OS4K - / -15 3 Partial
04-28 14:02 20m -7 / - EA3CSK - / - 5 Partial
04-28 14:00 20m -2 / -16 R6ZAA -8 / - 3 ✓ Verified
04-28 13:53 20m - / -13 EW8DU -12 / - 2 ✓ Confirmed
04-28 13:53 20m -6 / - EA3CSK - / - 10 Partial
04-28 13:53 20m -12 / - G7RCQ - / - 3 Partial
04-28 13:28 20m -4 / - OH5SY - / - 2 Partial
04-28 13:28 20m +6 / - OS4K - / -14 3 Partial
04-28 13:28 20m -8 / - HB9HYO - / - 2 Partial
04-27 15:21 40m +4 / - RZ6HBF - / -18 3 ✓ Confirmed
04-27 11:28 20m -12 / - M7IJS - / - 3 Partial
04-26 21:32 20m -2 / -14 SP5EXA -15 / -12 5 ✓ Complete
04-26 11:49 20m - / -19 WA4GBT -17 / - 2 ✓ Confirmed
04-26 11:47 20m +6 / - R6NW -15 / -16 5 ✓ Verified

Station Log

20m 
UTC    dB  Freq  Message
213815  -2 2992  CQ JH8SIT QN03 (x3)
214930 -10 1514  JH8SIT F6CAM JO10
215045  -5 2991  F6CAM JH8SIT RR73
215215 -10 2992  CQ JH8SIT QN03 (x2)
215300  -5 2993  JH8SIT ON3MOH JO10
215315  -1 2992  ON3MOH JH8SIT -18
215330  +0 2993  JH8SIT ON3MOH R-06
215345  -3 2992  ON3MOH JH8SIT RR73
215400  -1 2993  JH8SIT ON3MOH 73
215415  -3 2992  CQ JH8SIT QN03 (x3)
40m 
UTC    dB  Freq  Message
152100  +3 2714  JH8SIT RZ6HBF LN15 (x3)

SNR History by Band