JA3XRO — FT8 station from Japan

Japan Grid: KP20

Amateur radio station JA3XRO operating from Japan (grid square KP20). 63 FT8 spots received at SO8OO WebSDR, 8 CQ calls, active on 20m, over 3 days, best SNR +21 dB. Heard between 2026-04-25 and 2026-04-28.

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

Overview

63
Total spots
8
CQ calls
3
Days active
-2 dB
Avg SNR

Bands

20m
First seen: 2026-04-25
Last seen: 2026-04-28 13:38 UTC

Frequent QSO partners observed at SO8OO

Stations JA3XRO worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA3XROPartnerPartner SNRMsgs
04-28 15:19 20m +14 / - UB3GER - / - 3 ✓ Confirmed
04-25 16:35 20m +5 / - R6DJR - / -17 2 ✓ Confirmed
04-25 16:32 20m -7 / -3 RW4F -13 / -4 4 ✓ Complete
04-25 16:29 20m +2 / -11 GU0SUP -12 / - 3 Partial
04-25 16:20 20m -12 / - F5PEG - / -14 9 ✓ Confirmed
04-25 16:19 20m -4 / - RW1AI - / -19 5 ✓ Confirmed
04-25 16:16 20m -20 / - F1JPG - / -8 2 Partial
04-25 16:13 20m -10 / - RW4F - / - 2 Partial
04-25 16:10 20m +16 / - F5IND - / -12 3 ✓ Confirmed
04-25 16:02 20m +20 / -5 OH2GIP -11 / - 3 Partial
04-25 15:56 20m -2 / -8 UA9JLR -14 / - 5 Partial
04-25 15:54 20m +6 / -19 EA3HYJ -13 / -19 3 ✓ Complete
04-25 15:51 20m -3 / - RA9J - / -11 3 ✓ Confirmed
04-25 15:47 20m +1 / - RV3DBV - / -17 3 ✓ Confirmed
04-25 15:43 20m +10 / - UB3KDU - / -16 3 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
163300  -4  890  JA3XRO RW4F R-04 (x2)
163530  +4 2764  JA3XRO R6DJR -17 (x2)
164030 -10 2774  JA3XRO RV3ZK R-22
214830  -2  499  JA3XRO XU7O RR73
142600  +1 2631  JA3XRO RZ4AZ R-17
142930  -5 2276  JA3XRO R9OON R-15
143630 -13  820  JA3XRO UA9FLI 73
151900 +14  968  JA3XRO UB3GER KO92 (x3)
153130  +0 2335  JA3XRO OH6HSQ KP12
153430 +11  410  JA3XRO OH2XO R-14
153800  -2 2708  JA3XRO OH2HAC KP20

SNR History by Band