JA9KRO — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA9KRO operating from Japan. 215 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 27 days, best SNR +23 dB. Heard between 2026-04-25 and 2026-06-22.

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

Overview

215
Total spots
0
CQ calls
27
Days active
-4 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-25
Last seen: 2026-06-22 19:40 UTC

Frequent QSO partners observed at SO8OO

Stations JA9KRO worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA9KROPartnerPartner SNRMsgs
06-24 16:49 20m - / +1 BA4IHB -7 / - 2 ✓ Confirmed
06-24 16:48 20m - / - F4DVX/P -9 / - 2 Partial
06-22 21:39 20m -6 / - M0OVG - / -12 2 ✓ Confirmed
06-19 18:27 20m - / -5 TA7DX +2 / - 2 ✓ Confirmed
06-19 18:26 20m - / -4 YO4DW +3 / - 2 ✓ Confirmed
06-19 18:25 20m - / -5 LY1DX +3 / - 2 ✓ Confirmed
06-19 18:17 20m - / -8 OH4KRN +2 / - 2 ✓ Confirmed
06-19 18:16 20m -17 / -11 SV4DCQ +1 / -10 21 ✓ Complete
06-19 18:13 20m -7 / - A92AE -1 / -7 3 ✓ Verified
06-19 18:12 20m - / -6 BA8BLK 0 / - 3 ✓ Confirmed
06-18 18:23 20m - / -4 W7LCV -2 / - 4 Partial
06-18 18:16 20m - / - VE7AP -18 / - 2 Partial
06-17 16:04 20m -9 / - EA1JG - / - 2 Partial
06-16 19:15 20m - / -5 K5JSG/P -6 / - 5 ✓ Confirmed
06-16 19:04 20m - / -10 KR5J -8 / - 2 ✓ Confirmed
06-16 19:02 20m - / -7 S51PV/QRP -10 / - 2 Partial
06-12 19:18 20m -5 / - SV1QEZ - / - 6 Partial
06-11 20:26 20m -6 / -4 YO4DWD +7 / -1 4 ✓ Complete
06-11 20:25 20m - / -5 BA8BLJ +9 / - 3 ✓ Confirmed
06-11 20:24 20m - / -3 BA8BLK +6 / - 2 ✓ Confirmed
06-11 20:20 20m - / -11 <...> +3 / - 5 Partial
06-11 15:48 20m - / - KJ7IFD -14 / - 2 Partial
06-10 20:16 20m -8 / -11 EA5OM -10 / -11 4 ✓ Complete
06-10 20:14 20m - / - NI7L -10 / - 2 Partial
06-10 20:14 20m 0 / - DL6AZ -6 / -13 3 ✓ Verified
06-10 20:12 20m -4 / - EA1B - / -15 3 ✓ Confirmed
06-10 20:09 20m - / -6 W0ZWY -10 / - 2 ✓ Confirmed
06-10 20:08 20m - / +8 K4TXX -15 / - 2 ✓ Confirmed
06-10 20:06 20m +1 / +3 DL7GAL -10 / -11 5 ✓ Complete
06-10 20:06 20m -6 / - G7FSI -13 / - 2 ✓ Verified
06-08 21:08 20m -12 / - 9A1CCB +4 / - 3 ✓ Verified
06-08 21:07 20m +5 / +2 UT5MD +6 / -5 5 ✓ Complete
06-08 21:06 20m - / -16 MI7XHT -2 / - 2 ✓ Confirmed
06-08 21:02 20m - / -24 DR800WE +2 / - 6 Partial
06-08 17:28 20m - / -11 W7LCV -8 / - 2 ✓ Confirmed
06-04 20:37 20m -5 / - BG2FYO - / -17 3 ✓ Confirmed
06-04 17:11 20m - / - OJ0Z +8 / - 6 Partial
06-02 19:32 20m -13 / - IW2AFC - / - 2 Partial
06-02 19:29 20m - / - VK5PO/P +12 / - 5 Partial
06-02 19:08 20m - / +6 K7FD -8 / - 2 ✓ Confirmed
06-01 19:07 20m - / -6 N6AJR -12 / - 2 ✓ Confirmed
06-01 19:02 20m - / - KB0PVB -17 / - 4 Partial
05-31 19:30 20m -15 / - JA3SIA -14 / - 2 ✓ Verified
05-31 19:29 20m - / -8 W7FRM -18 / - 2 ✓ Confirmed
05-31 16:49 20m - / - KO6GQH -17 / - 3 ✓ Confirmed
05-31 15:17 20m +4 / - EA5D - / - 5 Partial
05-30 18:01 20m - / - K6KWI -6 / - 3 Partial
05-30 17:26 20m - / - VA7LWK -7 / - 3 Partial
05-29 17:53 20m - / - 9V1AV -20 / - 2 Partial
05-29 17:44 20m -11 / -22 TA2EE +3 / -8 7 ✓ Complete

Station Log

20m 
UTC    dB  Freq  Message
182730  +3 1165  TA7DX JA9KRO R-05 (x2)
184045 -19 1165  BA6IM JA9KRO RR73
171045  -5 2829  JA9KRO F6GGA JN37 (x2)
172045 -14 2219  JA9KRO EA1CQ -19 (x2)
175345 -11  750  JA9KRO UA3ZQN KO90 (x2)
213945  -6 1363  JA9KRO M0OVG -12 (x2)
164815  -7 2378  F4DVX/P JA9KRO PM86 (x2)
164915  -8 2378  BA4IHB JA9KRO R+01 (x2)
40m 
UTC    dB  Freq  Message
191400  -7 2499  JA9KRO SM3ULU JP81 (x2)
191430  -9 1434  JA9KRO HA8DG JN96
191530  -4  843  JA9KRO UR5WDL KN29 (x3)

SNR History by Band