7L4MDM — FT8 station from Japan

Japan Grid: IN83

Amateur radio station 7L4MDM operating from Japan (grid square IN83). 28 FT8 spots received at SO8OO WebSDR, 5 CQ calls, active on 40m, 20m, 10m, over 3 days, best SNR +11 dB. Heard between 2026-04-29 and 2026-05-06.

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Overview

28
Total spots
5
CQ calls
3
Days active
-4 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-29
Last seen: 2026-05-06 19:12 UTC

Frequent QSO partners observed at SO8OO

Stations 7L4MDM worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBand7L4MDMPartnerPartner SNRMsgs
05-06 21:11 20m +6 / - EA2DP - / - 4 Partial
05-06 21:01 20m +6 / - GI5RPG - / -16 2 Partial
05-06 10:45 10m -4 / - 5B4AMX - / -4 2 ✓ Confirmed
05-02 21:08 20m -14 / - BA7IWL - / - 5 Partial
05-02 21:04 20m - / -13 UT7HX -14 / - 2 ✓ Confirmed
05-02 21:02 20m - / -9 R4FDW -10 / - 3 ✓ Confirmed
05-02 21:01 20m -16 / -12 SP6FME -8 / -11 4 ✓ Complete
05-02 20:59 20m -15 / - IW4DNI -5 / - 2 ✓ Verified
05-02 20:58 20m - / -5 DL3MCW -2 / - 2 ✓ Confirmed
05-02 20:57 20m - / -12 OE9GWV 0 / - 2 ✓ Confirmed
05-02 20:53 20m - / -3 SV9GPV -6 / - 3 Partial
04-29 22:01 20m +6 / - EA5GX - / - 6 Partial

Station Log

20m 
UTC    dB  Freq  Message
210930 -15 1422  7L4MDM BA7IWL OL63 (x3)
210130  +9 1071  7L4MDM GI5RPG -16
210145 -11 2864  SP5LST 7L4MDM RR73
210200  +4 1071  7L4MDM GI5RPG -20
210315 -11 2864  CQ 7L4MDM QM06                        a1 (x3)
211100  +4 3131  7L4MDM EA2DP IN83 (x2)
211145  -6 2863  IK0SME 7L4MDM RR73
211200  +9 3131  7L4MDM EA2DP IN83
211215  -9 2864  CQ 7L4MDM QM06
211230  +3 3131  7L4MDM EA2DP IN83
10m 
UTC    dB  Freq  Message
104545  -7 1302  7L4MDM 5B4AMX -04 (x2)
40m 
UTC    dB  Freq  Message
134100  +6  481  7L4MDM S51XA JN75

SNR History by Band