JH8SIT — FT8 station from Japan

Japan Grid: IO93

Amateur radio station JH8SIT operating from Japan (grid square IO93). 990 FT8 spots received at SO8OO WebSDR, 404 CQ calls, active on 40m, 20m, over 40 days, best SNR +22 dB. Heard between 2026-04-21 and 2026-06-10.

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

Overview

990
Total spots
404
CQ calls
40
Days active
-5 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-21
Last seen: 2026-06-10 09:06 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
06-10 11:04 20m -2 / - G6MVF - / - 4 Partial
06-07 21:56 20m +2 / - M9IOU - / - 8 Partial
06-07 21:54 20m -1 / - EB4EYD - / - 4 Partial
06-07 21:51 20m - / - UA0LQE -15 / - 2 ✓ Confirmed
06-07 21:50 20m - / -14 DG6IDA -14 / - 2 ✓ Confirmed
06-07 21:47 20m -2 / -17 RA3BQ -13 / -9 5 ✓ Complete
06-06 11:13 20m - / - 3B8HK -6 / - 2 Partial
06-06 11:12 20m -14 / - G7NUT - / - 3 Partial
06-06 11:02 20m +9 / -4 DC6KI -11 / -14 4 ✓ Complete
06-06 08:29 20m - / -14 BD1APP -10 / - 2 ✓ Confirmed
06-06 08:23 20m - / - <...> -10 / - 7 Partial
06-04 21:37 20m -11 / - RX3DQL - / - 2 Partial
06-04 21:20 20m - / -11 R8CBB -2 / - 2 ✓ Confirmed
06-04 21:15 20m +5 / -11 EC1COU +1 / -10 6 ✓ Complete
06-02 22:14 20m - / -23 IZ8EYN -7 / - 2 ✓ Confirmed
06-02 22:12 20m - / -16 YO2MKE -8 / - 2 ✓ Confirmed
06-02 22:09 20m - / -18 7Z1FA -7 / - 5 ✓ Confirmed
06-02 11:43 20m +8 / - RK3YWS - / - 2 Partial
06-02 11:39 20m -7 / - R4NDG - / - 4 Partial
06-01 21:56 20m -20 / - SV1TSB - / -19 2 ✓ Confirmed
06-01 21:48 20m -7 / -14 IZ8WGR -10 / -6 5 ✓ Complete
06-01 21:37 20m +4 / -12 EA3HDZ -9 / -9 4 ✓ Complete
06-01 21:27 20m - / -9 UT4VL 0 / - 2 ✓ Confirmed
06-01 21:26 20m - / -21 9A5MP -4 / - 2 ✓ Confirmed
06-01 21:24 20m - / -12 OE7BRF -2 / - 2 ✓ Confirmed
06-01 21:21 20m - / -14 E79KO -4 / - 2 ✓ Confirmed
06-01 21:19 20m - / -20 IK2CMI 0 / - 2 ✓ Confirmed
06-01 21:18 20m - / -13 R1BOY +4 / - 2 ✓ Confirmed
06-01 21:15 20m - / -12 OZ1BZJ +1 / - 2 ✓ Confirmed
06-01 21:13 20m -10 / -16 SP9HPI +5 / -16 4 ✓ Complete
06-01 21:11 20m 0 / -13 SV1MOZ +4 / -4 5 ✓ Complete
06-01 21:06 20m -16 / -19 SV1GYN +8 / - 3 ✓ Verified
06-01 21:01 20m - / -18 PH5DMT +8 / - 3 ✓ Confirmed
06-01 21:00 20m - / -16 BI1AFK +9 / - 2 ✓ Confirmed
05-31 21:12 20m - / -11 OK2VCR -4 / - 2 ✓ Confirmed
05-31 21:10 20m - / -4 RU6FK -9 / - 2 ✓ Confirmed
05-31 21:08 20m +3 / - UN7EAX - / - 5 Partial
05-31 21:08 20m - / -14 YU5BU -3 / - 2 ✓ Confirmed
05-31 21:06 20m - / -16 G8WVB -4 / - 2 Partial
05-31 21:05 20m -8 / -19 IK0MIB -2 / - 3 ✓ Verified
05-31 21:02 20m +7 / -3 UT5MD 0 / -14 8 ✓ Complete
05-31 20:59 20m - / -13 HG7WHD -2 / - 4 ✓ Confirmed
05-31 20:55 20m - / -16 PE4T -8 / - 2 ✓ Confirmed
05-31 20:52 20m - / -17 SP5MCZ -5 / - 3 Partial
05-31 20:52 20m -8 / - SV1MOZ - / - 3 Partial
05-31 20:51 20m - / -13 DH5AZ -6 / - 2 ✓ Confirmed
05-31 20:50 20m - / -9 RY7F +1 / - 2 ✓ Confirmed
05-31 20:48 20m - / -8 LZ1VVD 0 / - 2 ✓ Confirmed
05-31 20:43 20m - / -3 BG4OOO -2 / - 2 ✓ Confirmed
05-31 20:43 20m -12 / -14 4Z5PE -2 / -2 7 ✓ Complete

Station Log

20m 
UTC    dB  Freq  Message
212945  +0 2821  CQ JH8SIT QN03 (x4)
105930  +7 2769  JH8SIT G4CFS IO91
110245 -10 2856  BG7XLH JH8SIT RR73
110315 -12 2857  CQ JH8SIT QN03                        a1 (x3)
110430  -4 2857  JH8SIT G6MVF IO93
110445 -12 2856  CQ JH8SIT QN03
110530  -6 2857  JH8SIT G6MVF IO93
110545 -11 2856  CQ JH8SIT QN03
110600  +1 2857  JH8SIT G6MVF IO93 (x2)
40m 
UTC    dB  Freq  Message
152100  +3 2714  JH8SIT RZ6HBF LN15 (x3)
205845  -8  989  JH8SIT 2E0AAG IO82 (x3)

SNR History by Band