JF1EHM — FT8 station from Japan

Japan Grid: ?

Amateur radio station JF1EHM operating from Japan. 37 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 40m, 20m, over 5 days, best SNR +8 dB. Heard between 2026-05-11 and 2026-05-27.

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

Overview

37
Total spots
1
CQ calls
5
Days active
-6 dB
Avg SNR

Bands

20m 40m
First seen: 2026-05-11
Last seen: 2026-05-27 10:43 UTC

Frequent QSO partners observed at SO8OO

Stations JF1EHM worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJF1EHMPartnerPartner SNRMsgs
05-27 12:38 20m - / -13 KC1TRF -18 / - 2 ✓ Confirmed
05-23 16:01 20m -2 / - SN1A - / -2 2 Partial
05-23 16:00 20m -9 / - EA1JWG - / - 4 Partial
05-23 15:58 20m -7 / - UA3FO - / - 6 Partial
05-23 15:52 20m -6 / - S55A - / - 3 Partial
05-19 21:48 20m +3 / - IQ4JO - / -18 3 Partial
05-16 15:28 20m - / -13 EB5JJI -2 / - 2 ✓ Confirmed
05-16 15:27 20m -6 / - F4FSH - / - 3 Partial
05-16 15:27 20m - / -3 SP5EXA -2 / - 2 ✓ Confirmed
05-16 15:23 20m -2 / - F8FUA - / +1 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
160115  -5 1296  JF1EHM UT8UE KO50
160145  -1 1366  JF1EHM SN1A -02
160145 -10 2972  JF1EHM EA1JWG IN83
160145  -4 1296  JF1EHM UA3FO KO94
160215 -12 2972  JF1EHM EA1JWG IN83
160245  -2 1372  JF1EHM R8AGW MO05
122615 -20 1295  WE9G JF1EHM 73
122645 -21 1296  N3FCP JF1EHM -11
123445 -17 1296  AC4ZH JF1EHM R-17
123530  -6 2191  JF1EHM RI0SP -08
123615 -22 1296  RU9UC JF1EHM R-12
123645 -21 1296  N5DRG JF1EHM PM95
123815 -20 1295  KC1TRF JF1EHM R-13 (x2)
124330  -9 2192  JF1EHM RI0SP -10
40m 
UTC    dB  Freq  Message
004400 -14 1218  JF1EHM W3IDT FM19

SNR History by Band