JH7DFZ — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH7DFZ operating from Japan. 59 FT8 spots received at SO8OO WebSDR, 2 CQ calls, active on 40m, 20m, 10m, over 9 days, best SNR +19 dB. Heard between 2026-04-21 and 2026-05-13.

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Overview

59
Total spots
2
CQ calls
9
Days active
-4 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-21
Last seen: 2026-05-13 11:08 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
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
130045  +4 1011  JH7DFZ F5IXN JN23
130115  +3 1610  JH7DFZ R4FDW LO23
130115 -12 1010  JH7DFZ IZ3EAW JN55
130145  -4 1610  JH7DFZ R4FDW LO23
130145 -11 1010  JH7DFZ IZ3EAW JN55
130215  -2 1610  JH7DFZ R4FDW LO23 (x10)
10m 
UTC    dB  Freq  Message
083245 -22 1653  JH7DFZ <...> -04
40m 
UTC    dB  Freq  Message
185830  -4  705  JH7DFZ SP3BVI JO82

SNR History by Band