JH3KCA — FT8 station from Japan

Japan Grid: ?

Amateur radio station JH3KCA operating from Japan. 25 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 10 days, best SNR +17 dB. Heard between 2026-04-26 and 2026-06-17.

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

Overview

25
Total spots
0
CQ calls
10
Days active
-1 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-26
Last seen: 2026-06-17 20:01 UTC

Frequent QSO partners observed at SO8OO

Stations JH3KCA worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH3KCAPartnerPartner SNRMsgs
06-17 22:02 20m - / -11 US5HL -11 / - 2 ✓ Confirmed
06-17 22:01 20m - / -5 YO4NF -8 / - 2 ✓ Confirmed
06-17 22:00 20m -12 / -9 LZ4VR -10 / -7 3 ✓ Complete
06-17 21:57 20m -4 / -9 TJ1GD/P -14 / -2 4 Partial
06-17 21:47 20m - / - TJ1GD/P -6 / - 2 Partial
06-17 21:44 20m - / - TJ1GD/P -2 / - 2 Partial
06-06 22:08 20m - / - 9X5KM -7 / - 4 Partial
06-04 12:03 10m -10 / - 7Q7CT - / +3 2 ✓ Confirmed
05-27 10:38 10m +6 / - 9J2FI - / -16 2 ✓ Confirmed
05-25 15:23 20m - / - 4U1ITU +2 / - 5 Partial
05-15 16:48 20m -5 / - SV9TLU - / -16 4 ✓ Confirmed
05-15 16:47 20m +8 / - IK8AWH - / - 4 Partial
05-07 12:23 20m +14 / - ON6AA - / -9 3 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
214415  -5  281  TJ1GD/P JH3KCA PM84 (x6)
215930  -4  707  JH3KCA TJ1GD/P -02
215945 -15 2633  TJ1GD/P JH3KCA R-09
220045 -10 2633  LZ4VR JH3KCA -09
220100 -12 1354  JH3KCA LZ4VR R-07
220115  -9 2633  LZ4VR JH3KCA RR73
220145  -9 2633  YO4NF JH3KCA R-05 (x2)
220245 -11 2633  US5HL JH3KCA R-11 (x2)
40m 
UTC    dB  Freq  Message
224100 -14  800  JH3KCA RR73; JA3KAW <...> -14
10m 
UTC    dB  Freq  Message
132845  -8  280  JH3KCA V51LZ R-08
103815  +5 2833  JH3KCA 9J2FI -16 (x2)
120330 -12 1338  JH3KCA 7Q7CT +03 (x2)
090700  -5  531  JH3KCA RR73; IZ0FYO <...> -06

SNR History by Band