JH5AVM — FT8 station from Japan

Japan Grid: LO31

Amateur radio station JH5AVM operating from Japan (grid square LO31). 1,670 FT8 spots received at SO8OO WebSDR, 227 CQ calls, active on 160m, 60m, 40m, 20m, over 15 days, best SNR +24 dB. Heard between 2026-04-22 and 2026-05-14.

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

Overview

1,670
Total spots
227
CQ calls
15
Days active
-5 dB
Avg SNR

Bands

20m 40m 60m 160m
First seen: 2026-04-22
Last seen: 2026-05-14 15:44 UTC

Frequent QSO partners observed at SO8OO

Stations JH5AVM worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH5AVMPartnerPartner SNRMsgs
05-14 17:44 20m +2 / - RD4CC - / - 2 Partial
05-14 17:39 20m +20 / - IT9VCE - / - 2 ✓ Confirmed
05-14 17:34 20m -10 / - LA3TMA - / - 2 Partial
05-14 17:27 20m -10 / - ON3PDM - / -8 2 Partial
05-14 17:26 20m -4 / - SA3KAK - / -11 4 ✓ Confirmed
05-13 19:41 20m -5 / - PA4AV - / - 7 Partial
05-13 19:37 20m -8 / - EA3AGF - / -17 2 ✓ Confirmed
05-13 19:11 20m -1 / -11 PD4WAC -12 / -20 4 Partial
05-13 19:07 20m -7 / - F5PEG - / - 4 Partial
05-13 19:07 20m 0 / - PD8EM - / -4 4 ✓ Confirmed
05-13 19:02 20m +8 / - F2QD - / - 2 Partial
05-13 19:01 20m -2 / - F4JVF - / -4 3 Partial
05-13 18:56 20m +7 / - SV1OCQ - / - 4 Partial
05-13 18:48 20m +4 / - PD0WC - / -10 2 ✓ Confirmed
05-13 18:42 20m +2 / - R3DOF - / - 2 Partial
05-13 18:18 20m -9 / - IZ2EWN - / -13 3 Partial
05-13 18:07 20m -3 / - R3IAD -16 / - 9 ✓ Verified
05-13 18:02 20m - / -14 DL5ALF -15 / - 2 Partial
05-13 18:01 20m -16 / - PD1DTH - / - 4 Partial
05-13 17:57 20m -1 / - R4ML - / -12 3 Partial
05-13 17:56 20m -11 / - IU1JFI - / - 8 Partial
05-13 17:53 20m - / -4 YO6OGW -8 / - 5 Partial
05-13 17:51 20m -5 / - IU1JFI - / - 4 Partial
05-13 17:49 20m +1 / +9 R4CBT -10 / -6 2 Partial
05-13 17:47 20m -10 / - SM5IFO - / - 5 Partial
05-13 17:46 20m -6 / - DL1NRC - / - 4 Partial
05-13 17:41 20m -1 / - DL1NRC - / - 3 Partial
05-13 17:37 20m +8 / - DL6RS - / -18 2 Partial
05-13 17:36 20m +2 / - DL1NRC - / - 2 Partial
05-13 17:28 20m -14 / - UA3SCX - / -16 3 ✓ Confirmed
05-13 17:22 20m +7 / - IZ8DVD - / -16 5 Partial
05-13 17:08 20m -2 / - ON7NQ - / -17 3 ✓ Confirmed
05-13 17:03 20m -16 / - SP4TKR - / -16 2 ✓ Confirmed
05-13 17:01 20m +11 / - R7KDW - / -16 2 ✓ Confirmed
05-13 16:54 20m +6 / - R7KDW - / -8 2 Partial
05-13 16:48 20m -10 / - R9FH - / -4 3 Partial
05-13 16:46 20m +10 / - RA3GDV - / -23 2 ✓ Confirmed
05-13 16:38 20m +8 / - R3NBI - / -24 3 Partial
05-13 16:36 20m +5 / - RZ6ALZ - / -20 3 ✓ Confirmed
05-13 16:32 20m +5 / - RG2V - / -17 2 Partial
05-13 16:32 20m -9 / - UA4QK - / -14 4 ✓ Confirmed
05-13 16:02 20m -7 / - IZ7LDG - / - 2 Partial
05-13 15:48 20m 0 / - R2DZP - / -8 3 ✓ Confirmed
05-13 15:44 20m +1 / - ON7NQ - / - 2 Partial
05-12 21:59 20m +5 / -20 GI5KSO -8 / -17 5 ✓ Complete
05-12 21:56 20m - / -7 R4AV -7 / - 5 Partial
05-12 21:52 20m - / -20 G0RVY -8 / - 2 ✓ Confirmed
05-12 21:47 20m -10 / -6 CT7AUT -8 / -1 5 ✓ Complete
05-12 21:43 20m - / -15 SV1HFE -10 / - 2 ✓ Confirmed
05-12 21:39 20m - / -15 SP9RTK -6 / - 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
194400  -4 1257  JH5AVM PA4AV JO21
172600  -7 1689  JH5AVM SA3KAK JP82 (x2)
172700 -10  980  JH5AVM ON3PDM R-08
172700  -1 1689  JH5AVM SA3KAK R-11 (x2)
172830  -7  353  JH5AVM I5MPN JN53
172830 -11  979  JH5AVM ON3PDM R-11
173330 -11 1524  JH5AVM DL1UDO JO31
173430 -12  968  JH5AVM LA3TMA JP53 (x2)
173930 +22  499  JH5AVM IT9VCE JM77 (x2)
174400  +5 1393  JH5AVM RD4CC LO31 (x2)
40m 
UTC    dB  Freq  Message
194530  -8 1468  JH5AVM LY3GY KO24 (x7)
180300 -10 2018  JH5AVM IK2GXE JN45 (x3)
200200  -3 1808  JH5AVM R5AV -18 (x2)
212700  -7  602  JH5AVM DM6MAR JN59 (x3)
60m 
UTC    dB  Freq  Message
182600 -13 1302  JH5AVM IZ2ACM JN45 (x3)
160m 
UTC    dB  Freq  Message
195700  -4 1442  JH5AVM DK3UA JO64 (x6)

SNR History by Band