JO3OEF — FT8 station from Japan

Japan Grid: ?

Amateur radio station JO3OEF operating from Japan. 80 FT8 spots received at SO8OO WebSDR, active on 20m, over 10 days, best SNR +26 dB. Heard between 2026-06-08 and 2026-07-25.

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

Overview

80
Total spots
0
CQ calls
10
Days active
+2 dB
Avg SNR

Bands

20m
First seen: 2026-06-08
Last seen: 2026-07-25 17:26 UTC

Frequent QSO partners observed at SO8OO

Stations JO3OEF worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJO3OEFPartnerPartner SNRMsgs
07-25 19:25 20m -11 / - RZ4AZ - / -22 3 ✓ Confirmed
07-25 19:24 20m +14 / - ON6AA - / -18 3 ✓ Confirmed
06-19 19:21 20m +22 / - UA4FEN - / -24 3 Partial
06-19 18:58 20m - / -12 IV3JRW -14 / - 3 ✓ Confirmed
06-19 18:54 20m +16 / - UA4AGU - / -15 2 ✓ Confirmed
06-19 18:43 20m +1 / - UF4S - / -16 2 ✓ Confirmed
06-18 18:42 20m +16 / - II9RICT - / -23 3 Partial
06-18 18:40 20m -2 / - UD3T - / +4 2 ✓ Confirmed
06-18 17:49 20m -3 / - IU1CIW - / -22 3 ✓ Confirmed
06-18 17:25 20m +1 / - IQ7KM - / -16 3 ✓ Confirmed
06-18 17:21 20m -3 / -2 RN3ZBX -13 / - 2 ✓ Verified
06-17 19:20 20m +1 / - II2MPP - / - 9 Partial
06-17 19:18 20m +4 / - R4LBP - / -4 2 ✓ Confirmed
06-16 20:07 20m -2 / - UF5F - / -17 2 ✓ Confirmed
06-16 20:03 20m +1 / - UF5F - / - 3 Partial
06-16 20:02 20m -4 / - UN0GY - / -10 2 ✓ Confirmed
06-13 19:44 20m +4 / -13 IQ4JO -22 / -7 5 ✓ Complete
06-13 19:42 20m -6 / - SV1MOZ - / - 2 ✓ Confirmed
06-13 19:32 20m -1 / - US5HL - / -16 3 ✓ Confirmed
06-13 19:29 20m +3 / - RQ2Q - / -23 6 ✓ Confirmed
06-10 19:43 20m +6 / - RZ4FWA - / -24 2 Partial
06-08 20:26 20m -2 / - IQ7PU -13 / -6 3 ✓ Verified
06-08 20:23 20m -7 / - UA4AOC - / -9 2 Partial
06-08 18:26 20m +6 / - R4PF - / -13 2 ✓ Confirmed
06-08 18:19 20m -6 / - BG2FYO - / - 2 ✓ Confirmed
06-08 18:15 20m +6 / - SV0TPN - / -13 2 ✓ Confirmed
06-08 18:13 20m -4 / - UN8DSW - / -8 2 ✓ Confirmed
05-05 18:21 20m - / -8 HF7X +1 / - 3 ✓ Confirmed
05-05 18:17 20m - / +2 OH3JF 0 / - 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
185800 -12 2454  IV3JRW JO3OEF PM74 (x3)
190800  -9 2630  9A5E JO3OEF PM74
192130 +26 2816  JO3OEF UA4FEN -24 (x3)
185500 -12 2562  JO3OEF YO4DWD -16
190930  -1 2251  JO3OEF R3KFT RR73
192400 +17 2579  JO3OEF ON6AA JO11 (x2)
192500 -11 2329  JO3OEF RZ4AZ LN28
192500  +8 2579  JO3OEF ON6AA 73
192530 -11 2330  JO3OEF RZ4AZ R-22 (x2)

SNR History by Band