JA9RRH — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA9RRH operating from Japan. 145 FT8 spots received at SO8OO WebSDR, active on 160m, 80m, 40m, 20m, 10m, over 22 days, best SNR +27 dB. Heard between 2026-04-21 and 2026-06-19.

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

Overview

145
Total spots
0
CQ calls
22
Days active
-5 dB
Avg SNR

Bands

80m 20m 40m 10m 160m
First seen: 2026-04-21
Last seen: 2026-06-19 18:50 UTC

Frequent QSO partners observed at SO8OO

Stations JA9RRH worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA9RRHPartnerPartner SNRMsgs
06-19 15:38 20m - / - AI7RZ -6 / - 2 Partial
06-17 22:11 20m -10 / - TJ1GD/P -16 / - 7 ✓ Verified
06-16 13:08 20m - / - N0MED -16 / - 2 Partial
06-15 18:31 80m -16 / - RK6MC - / -21 2 ✓ Confirmed
06-13 12:53 10m -12 / - 7Q3CM - / -14 2 ✓ Confirmed
06-02 18:54 80m -9 / - R5BS - / - 2 Partial
05-25 15:47 20m -15 / - EA3ADX - / -16 4 Partial
05-22 19:07 80m +4 / - YT1VDA - / -8 6 ✓ Confirmed
05-22 18:25 80m -3 / - RO2X - / - 6 Partial
05-22 17:39 80m 0 / - RO2X - / - 2 Partial
05-22 17:36 80m -8 / - RT6Z - / -18 2 ✓ Confirmed
05-22 17:32 80m -10 / - RT2P - / -14 3 ✓ Confirmed
05-22 17:20 80m 0 / - RQ7O - / -14 4 ✓ Confirmed
05-20 19:28 80m -12 / - RA6YDX - / -19 2 Partial
05-20 18:52 80m -14 / - UA4HJ - / - 3 ✓ Confirmed
05-20 17:41 80m -11 / - R3SV - / -16 2 ✓ Confirmed
05-20 17:41 80m -7 / - RO2X - / - 3 Partial
05-17 17:53 80m +3 / - R3HH - / - 3 Partial
05-17 17:32 80m +2 / - UA3ZUX - / -20 3 ✓ Confirmed
05-17 17:31 80m -8 / - R3HH - / - 2 Partial
05-17 16:55 80m -6 / - R3ZMM - / -14 2 ✓ Confirmed
05-15 19:26 80m -19 / - RN2T - / - 7 Partial
05-15 19:23 80m -15 / - RA4DX - / -4 3 ✓ Confirmed
05-15 18:22 80m -1 / - UB6OAJ - / -19 4 Partial
05-12 17:04 20m +16 / - OH3OJ - / -10 2 Partial
05-12 16:58 20m -11 / - F5PBG - / - 3 Partial
05-12 16:57 20m +6 / - ON6AA - / - 2 ✓ Confirmed
05-05 20:46 40m -12 / - OK1VAW - / -16 3 Partial
05-05 20:38 40m -10 / - D2UY - / -19 4 ✓ Confirmed
05-03 21:33 20m - / - EA1AF -8 / - 8 Partial
05-03 21:28 20m - / -24 ZB2JK -14 / - 4 ✓ Confirmed
05-03 21:07 20m +7 / - CT2GFJ - / -10 4 ✓ Confirmed
05-03 21:03 20m +18 / - F5UKW - / -7 4 Partial
05-01 19:11 160m -12 / - R9JX - / -21 2 ✓ Confirmed
04-28 18:57 80m -6 / - OH1LA - / -19 9 ✓ Confirmed
04-28 18:53 80m +14 / - 9A5TW - / - 2 Partial
04-28 18:45 80m +16 / - 9A5TW - / - 2 Partial
04-28 18:24 80m +26 / - 9A5TW - / - 2 Partial
04-23 17:16 80m -13 / - RX3DRC - / -17 2 ✓ Confirmed
04-23 17:14 80m +2 / - UA3D - / -17 2 Partial
04-23 16:59 80m -6 / - RG5G - / -16 2 ✓ Confirmed
04-23 16:55 80m -2 / - RK4FD - / -20 5 ✓ Confirmed
04-23 16:26 80m -4 / - R40CHA - / -12 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
154900 -11 2298  JA9RRH EA3ADX -16
155645 -19 2334  JT1PB JA9RRH PM87
130845 -18 2510  N0MED JA9RRH PM87 (x2)
221115 -19 1903  TJ1GD/P JA9RRH PM87 (x6)
221700 -10  707  JA9RRH TJ1GD/P RR73
153600  -1 2744  W0C JA9RRH 73
153800  -8 2745  AI7RZ JA9RRH PM87 (x2)
205030  -4  472  JA9RRH A92AE RR73
80m 
UTC    dB  Freq  Message
182815  +2 2222  JA9RRH RO2X KO74 (x2)
190700  +4 1706  JA9RRH YT1VDA KN04 (x6)
184815 -24 1566  JA9RRH A71XX RR73
185445  -8 2418  JA9RRH R5BS KO85 (x2)
191045  -2 2285  JA9RRH R6DOB RR73
183145 -17 1343  JA9RRH RK6MC -21 (x2)
190145  -8 1472  JA9RRH R7AZ RR73
10m 
UTC    dB  Freq  Message
125330 -12 1838  JA9RRH 7Q3CM -14 (x2)
40m 
UTC    dB  Freq  Message
213815 -13  564  JA9RRH ZS1J RR73
203800 -11 1657  JA9RRH D2UY -19 (x4)
204600 -12 2983  JA9RRH OK1VAW -16 (x3)
160m 
UTC    dB  Freq  Message
191145 -11  295  JA9RRH R9JX -21 (x2)

SNR History by Band