JA4CZM — FT8 station from Japan

Japan Grid: CN89

Amateur radio station JA4CZM operating from Japan (grid square CN89). 5 FT8 spots received at SO8OO WebSDR, active on 20m, over 3 days, best SNR -6 dB. Heard between 2026-05-06 and 2026-06-05.

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

Overview

5
Total spots
0
CQ calls
3
Days active
-15 dB
Avg SNR

Bands

20m
First seen: 2026-05-06
Last seen: 2026-06-05 05:19 UTC

Frequent QSO partners observed at SO8OO

Stations JA4CZM worked most often, as logged from our receiver:

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA4CZMPartnerPartner SNRMsgs
06-05 07:18 20m -20 / - VE7LGP - / - 3 Partial
05-31 21:27 20m -6 / -18 CN8NS -6 / -14 4 ✓ Complete
05-31 21:23 20m - / -18 CN8NS -12 / - 2 Partial

Station Log

20m
UTC    dB  Freq  Message
043445  -8 1409  JA4CZM N6RW R+01
212315 -15 2883  CN8NS JA4CZM -18 (x3)
212800  -6 2186  JA4CZM CN8NS -14
212815  -5 2778  CN8NS JA4CZM R-18 (x2)
212945 -14 2777  BG4OOO JA4CZM R+00
213115  -8 2777  9A4ZM JA4CZM RR73
213215  -7 2778  OE9GWV JA4CZM RR73
071845 -18 2326  JA4CZM VE7LGP CN89 (x3)

SNR History by Band