JH7DFZ — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH7DFZ operating from Japan. 108 FT8 spots received at SO8OO WebSDR, 3 CQ calls, active on 40m, 20m, 10m, over 20 days, best SNR +19 dB. Heard between 2026-04-21 and 2026-06-26.

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Overview

108
Total spots
3
CQ calls
20
Days active
-2 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-21
Last seen: 2026-06-26 19:20 UTC

Frequent QSO partners observed at SO8OO

Stations JH7DFZ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH7DFZPartnerPartner SNRMsgs
06-26 21:19 20m -10 / - OD5ZF - / -18 2 ✓ Confirmed
06-25 12:39 20m -6 / - RA6OV - / - 2 ✓ Confirmed
06-24 20:58 20m -2 / - DL7GAL - / -15 6 ✓ Confirmed
06-24 20:55 20m +8 / - UT5MD - / - 2 Partial
06-24 20:53 20m -17 / - IT9CMZ - / -12 4 ✓ Confirmed
06-19 22:18 20m - / - D4OL -16 / - 3 Partial
06-19 22:04 20m - / - MM0JJU -17 / - 2 Partial
06-14 19:38 20m -7 / - HB9EKJ - / - 2 ✓ Confirmed
06-14 19:37 20m +14 / - EA7ALL - / -14 6 ✓ Confirmed
06-14 19:37 20m -1 / - DK1MCS - / - 5 Partial
06-13 08:27 20m -10 / - R2026RU - / -18 2 Partial
06-12 22:20 20m +16 / - 9A2RD - / -13 5 Partial
06-10 22:20 20m -5 / - IQ7PU - / -9 2 ✓ Confirmed
05-21 21:22 20m - / -13 IN3TGS -7 / - 2 Partial
05-21 21:21 20m - / - YM5KA -7 / - 2 Partial
05-21 12:17 20m +11 / - RD4FD - / - 2 Partial
05-13 13:01 20m -12 / - IZ3EAW - / - 2 Partial
05-13 13:00 20m -2 / - R4FDW - / -13 13 Partial
05-13 12:59 20m 0 / - F5IXN - / - 3 Partial
05-13 12:57 20m - / -4 BH3HLG -18 / - 2 ✓ Confirmed
05-13 12:55 20m +4 / - PA1GUZ - / - 4 Partial
05-13 12:55 20m -9 / - PE1OBL - / - 3 Partial
05-13 12:52 20m -9 / - UB6OAJ - / -7 2 ✓ Confirmed
05-13 12:51 20m +2 / - 4X5MZ - / -12 3 ✓ Confirmed
05-13 12:47 20m -7 / - PD4WAC - / -16 6 ✓ Confirmed
05-12 21:21 20m - / - A41DL -18 / - 4 Partial
05-11 22:36 20m +8 / - AO25RKB - / -12 3 Partial
05-09 22:40 20m -14 / - F6CAM - / -6 3 ✓ Confirmed
05-05 07:16 20m +7 / - <...> - / -18 4 Partial
04-28 22:01 20m - / -20 YL2KF -8 / - 3 ✓ Confirmed
04-25 08:50 20m -20 / - ON6AA - / -14 2 Partial
04-21 22:03 20m +8 / - TL8GD - / -6 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
205400 -16 1418  JH7DFZ IT9CMZ JM77 (x3)
205500 +12 2592  JH7DFZ UT5MD KN69 (x2)
205800  +0  869  JH7DFZ DL7GAL JN47 (x6)
123945  -8  803  JH7DFZ RA6OV KN87 (x2)
211900 -10 2075  JH7DFZ OD5ZF -18 (x2)
10m 
UTC    dB  Freq  Message
083245 -22 1653  JH7DFZ <...> -04
121430 -23 1391  JH7DFZ 7Q3AM +03
111630  -8 1339  JH7DFZ 7Q7CT -01
40m 
UTC    dB  Freq  Message
185830  -4  705  JH7DFZ SP3BVI JO82

SNR History by Band