JA9FFS — FT8 station from Japan

Japan Grid: ?

Amateur radio station JA9FFS operating from Japan. 143 FT8 spots received at SO8OO WebSDR, 51 CQ calls, active on 20m, 10m, over 22 days, best SNR +17 dB. Heard between 2026-04-23 and 2026-06-18.

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

Overview

143
Total spots
51
CQ calls
22
Days active
-7 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-23
Last seen: 2026-06-18 19:40 UTC

Frequent QSO partners observed at SO8OO

Stations JA9FFS worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA9FFSPartnerPartner SNRMsgs
06-18 21:38 20m +14 / -16 IR0RCAG -16 / -6 4 Partial
06-18 21:29 20m - / -19 DL1R -10 / - 2 ✓ Confirmed
06-18 21:25 20m - / -8 IQ2DB -5 / - 2 Partial
06-17 19:52 20m -12 / -8 TJ1GD/P -2 / -12 15 ✓ Complete
06-12 22:15 20m -17 / -20 DL2FX -18 / -19 6 ✓ Complete
06-12 22:11 20m +2 / -6 S57ESG -16 / -10 5 ✓ Complete
06-12 22:11 20m - / -8 IZ8WGR -17 / - 2 ✓ Confirmed
06-12 22:08 20m - / -19 OE3IGU -17 / - 3 ✓ Confirmed
06-12 22:04 20m - / -12 OE4MTI -17 / - 2 ✓ Confirmed
06-12 22:01 20m -5 / - IU4RWW -14 / -10 4 ✓ Verified
06-12 21:54 20m -14 / -7 9A5AZK -18 / - 3 ✓ Verified
06-06 22:18 20m - / - JY5JA -18 / - 4 Partial
06-06 21:32 20m +2 / -10 9X5KM -13 / -7 8 Partial
06-06 21:26 20m - / -22 9X5KM -9 / - 3 Partial
06-02 14:12 10m -16 / - 7Q8AK - / -3 2 ✓ Confirmed
05-31 20:56 20m - / - GW5NIC +2 / - 3 Partial
05-31 20:51 20m - / - GW5NIC +2 / - 4 Partial
05-31 20:28 20m - / -18 EP2AES +1 / - 3 ✓ Confirmed
05-23 22:07 20m +1 / - CT3KN -12 / -16 4 Partial
05-23 22:04 20m - / - CT3KN -15 / - 2 Partial
05-23 21:57 20m - / -9 TA2YK -18 / - 4 Partial
05-23 21:51 20m -8 / -6 RL3T -13 / -7 6 ✓ Complete
05-23 21:51 20m - / -19 RN1NEB -16 / - 2 ✓ Confirmed
05-23 21:45 20m -3 / -1 <...> -17 / -7 6 Partial
05-18 21:18 20m - / -17 BG5BNW -2 / - 2 ✓ Confirmed
05-18 21:16 20m - / -5 BG4OOO +1 / - 2 ✓ Confirmed
05-18 21:13 20m +2 / -5 IU0NAD -3 / -7 5 Partial
05-18 21:11 20m +6 / -11 EA6UE -4 / -16 6 ✓ Complete
05-14 22:23 20m - / -9 PD1HPB -10 / - 3 ✓ Confirmed
05-14 22:22 20m - / -11 SP0DZ -10 / - 2 ✓ Confirmed
05-14 22:20 20m +1 / - EA5PG - / -10 3 Partial
05-14 22:17 20m - / - EA5PG -8 / - 2 Partial
05-12 08:51 20m 0 / - F5CCX - / - 2 Partial
05-11 20:40 20m -1 / -15 CR7BRV -20 / -14 3 ✓ Complete
05-11 20:35 20m - / -14 PA3R -10 / - 3 ✓ Confirmed
05-11 20:31 20m -19 / -9 F5TLZ -17 / -2 2 Partial
05-11 20:31 20m -8 / - LA9SDA -15 / -21 4 ✓ Verified
05-11 20:28 20m - / -13 N0SZ -18 / - 2 ✓ Confirmed
05-11 20:07 20m +2 / -11 F4NGC -3 / - 5 Partial
05-10 21:21 20m +5 / -12 EA5FAY -8 / - 6 ✓ Complete
05-10 21:12 20m - / -18 DL6RS -3 / - 5 ✓ Confirmed
05-10 21:11 20m - / -11 SH6KBL -2 / - 2 ✓ Confirmed
05-10 21:06 20m - / -8 DF7EF -8 / - 2 ✓ Confirmed
05-10 20:58 20m +9 / - EA4DM - / -21 3 ✓ Confirmed
05-10 20:58 20m -8 / - F1GIW - / -6 3 ✓ Confirmed
05-10 20:52 20m +6 / - CT7AXN - / -10 2 ✓ Confirmed
05-10 20:39 20m - / -10 OK1FAN -3 / - 2 ✓ Confirmed
05-10 20:36 20m +8 / -9 SV9TLU +3 / -6 5 ✓ Complete
05-07 22:32 20m -10 / - A61DD - / -12 2 ✓ Confirmed
05-06 13:07 20m +2 / - R4FDD - / - 4 Partial

Station Log

20m 
UTC    dB  Freq  Message
195930 -10  707  JA9FFS TJ1GD/P RR73
195945  -9 1246  TJ1GD/P JA9FFS 73
212545  -5 2413  IQ2DB JA9FFS PM86 (x2)
212715  -8 2412  CQ JA9FFS PM86 (x4)
212915 -12 2412  DL1R JA9FFS -19 (x2)
213045  -5 2412  CQ JA9FFS PM86
213845 -16 1771  IR0RCAG JA9FFS -16 (x2)
214000 +14 1769  JA9FFS IR0RCAG R-06 (x2)
10m 
UTC    dB  Freq  Message
080730 -11  828  JA9FFS A61OK -17
132815  -5 2677  JA9FFS ZS1A -06
134915  -8  900  JA9FFS ZS1TAF -02 (x2)
133700 -15  891  JA9FFS 7Q3AM RR73
141200 -14 2275  JA9FFS 7Q8AK -03 (x2)

SNR History by Band