JF1FSR — FT8 station from Japan

Japan Grid: JO21

Amateur radio station JF1FSR operating from Japan (grid square JO21). 74 FT8 spots received at SO8OO WebSDR, active on 160m, 40m, 20m, over 10 days, best SNR +18 dB. Heard between 2026-04-24 and 2026-05-09.

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

Overview

74
Total spots
0
CQ calls
10
Days active
-2 dB
Avg SNR

Bands

20m 40m 160m
First seen: 2026-04-24
Last seen: 2026-05-09 17:19 UTC

Frequent QSO partners observed at SO8OO

Stations JF1FSR worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJF1FSRPartnerPartner SNRMsgs
05-09 20:07 20m - / -6 DH5KLI -1 / - 4 Partial
05-09 20:06 20m - / - AO4RKB +2 / - 3 Partial
05-09 20:03 20m - / - AO5RKB -1 / - 3 Partial
05-09 19:26 20m - / -4 SM6CWP -2 / - 2 ✓ Confirmed
05-09 19:24 20m - / -18 EA4IPH -6 / - 3 ✓ Confirmed
05-09 19:23 20m - / -9 PD1FL -8 / - 2 ✓ Confirmed
05-09 19:22 20m - / -15 ON8SGA -10 / - 2 ✓ Confirmed
05-09 19:19 20m +12 / -9 OP9T -4 / - 2 Partial
05-09 19:17 20m - / -11 F1HFP 0 / - 2 ✓ Confirmed
05-09 19:16 20m +1 / -9 GI5RPG -6 / -12 5 ✓ Complete
05-09 19:14 20m -7 / -16 EA4IJS +4 / -5 4 ✓ Complete
05-09 18:47 40m +6 / -15 IU8SDI -12 / -7 4 ✓ Complete
05-09 18:46 40m +8 / - OE3SKB -12 / -12 4 ✓ Verified
05-09 18:46 40m -6 / - SP6AXW - / - 4 Partial
05-09 18:45 40m -4 / - IZ2OAR - / -12 2 ✓ Confirmed
05-09 18:43 40m -16 / - G5MJF - / +7 5 Partial
05-09 18:42 40m - / -6 TL8BNW -10 / - 2 Partial
05-08 21:10 20m +13 / -4 AO1RKB -1 / -9 8 ✓ Complete
05-05 19:28 40m -18 / - MM0JTV - / - 3 Partial
05-05 19:26 40m -8 / - SN1A - / - 3 Partial
05-05 19:24 40m +10 / - IU1MJS -13 / -10 5 ✓ Verified
05-05 19:24 40m +8 / - UX5UW - / +1 2 Partial
05-05 19:22 40m -1 / - UR3QFL -10 / -5 6 ✓ Verified
05-05 19:21 40m +18 / - 9A3TN - / -4 3 ✓ Confirmed
05-04 19:23 40m +14 / - G4DML - / - 3 Partial
05-03 21:17 20m 0 / -15 ZB2JK -8 / -9 6 Partial
05-02 21:07 20m - / -15 DL2YAJ -10 / - 2 ✓ Confirmed
05-02 21:03 20m - / -11 N0STL -7 / - 2 ✓ Confirmed
05-02 21:02 20m - / -10 F4IBJ -3 / - 3 ✓ Confirmed
05-02 21:00 20m - / -19 GI5KSO 0 / - 2 Partial
05-02 20:58 20m - / -8 4L3YL +3 / - 3 ✓ Confirmed
05-02 20:53 20m -2 / -9 EA7EZ +4 / - 6 ✓ Verified
05-01 22:11 20m -4 / - EA1FOD - / -17 3 ✓ Confirmed
05-01 22:08 20m +1 / - EA1DV - / -15 2 ✓ Confirmed
05-01 22:01 20m -10 / - AU2M - / -7 2 ✓ Confirmed
05-01 20:11 40m - / - Z62NS -9 / - 4 Partial
04-28 21:28 40m -17 / - TF4M - / - 3 Partial
04-28 19:52 40m +3 / - EA3KS - / -7 2 ✓ Confirmed
04-28 19:47 40m - / - EA7GHD -10 / - 2 Partial
04-25 19:34 40m -9 / - DG5TF - / -9 2 Partial
04-24 06:18 20m -18 / - EA5GXE - / -9 2 Partial
04-24 06:13 20m 0 / - EA3NG - / -7 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
192615  -9  277  EA4IPH JF1FSR 73
192645  -6  277  SM6CWP JF1FSR -04 (x2)
192945 -10  277  EA3ODC JF1FSR PM95
193345  -8  277  AO4RKB JF1FSR PM95
200345  -4 2738  AO5RKB JF1FSR PM95 (x3)
200615  +3  540  AO4RKB JF1FSR PM95 (x3)
200745  +2  539  DH5KLI JF1FSR -06 (x4)
40m 
UTC    dB  Freq  Message
184600  -3 2228  JF1FSR IZ2OAR 73
184630 -20 1174  JF1FSR G5MJF +07
184630  -5 2308  JF1FSR SP6AXW JO80
184630  +9  308  JF1FSR OE3SKB R-12
184645 -12  330  OE3SKB JF1FSR RR73
184700  -7 2308  JF1FSR SP6AXW JO80
184700  +7  308  JF1FSR OE3SKB 73
184700  +7  552  JF1FSR IU8SDI JN71
184715 -12  330  IU8SDI JF1FSR -15
184730  +8  552  JF1FSR IU8SDI R-07
184730  -9 2308  JF1FSR SP6AXW JO80
184830  +0  331  JF1FSR DL5BWG JO72
184830  +2  552  JF1FSR IU8SDI 73
184915 -13  331  DL3OCF JF1FSR RR73
185100  -1  332  JF1FSR DL5BWG JO72
160m 
UTC    dB  Freq  Message
192300  -7 2390  JF1FSR SV8QG KM39

SNR History by Band