JA1KNB — FT8 station from Japan

Japan Grid: JN35

Amateur radio station JA1KNB operating from Japan (grid square JN35). 199 FT8 spots received at SO8OO WebSDR, 10 CQ calls, active on 40m, 20m, 10m, over 29 days, best SNR +17 dB. Heard between 2026-04-29 and 2026-07-25.

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

Overview

199
Total spots
10
CQ calls
29
Days active
-4 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-29
Last seen: 2026-07-25 17:37 UTC

Frequent QSO partners observed at SO8OO

Stations JA1KNB worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJA1KNBPartnerPartner SNRMsgs
07-25 19:33 20m -9 / - RZ4AZ - / -21 3 ✓ Confirmed
07-24 20:54 20m -16 / - DK0RST - / -19 2 Partial
07-24 20:42 20m -9 / - SP2SGZ - / - 2 Partial
07-24 20:24 20m -9 / - F/G7NUT - / -21 6 Partial
07-24 20:22 20m -4 / - EB3DBR - / - 3 Partial
07-24 20:07 20m -4 / - 9A5E - / -8 2 ✓ Confirmed
07-19 20:32 20m -9 / - DL7DO - / -19 4 Partial
07-19 20:31 20m -14 / - DK8PR - / - 2 Partial
07-19 20:18 20m -7 / - DL2RBJ - / -25 2 ✓ Confirmed
07-19 20:14 20m -16 / - OK1DBE - / -17 2 Partial
07-19 20:12 20m -10 / - IZ8EYN - / -9 2 ✓ Confirmed
07-18 21:03 20m +8 / - DL1R - / - 3 Partial
07-18 21:01 20m -1 / - DK1MCS - / - 4 Partial
07-16 20:46 20m -11 / - IK0MIB - / - 3 Partial
07-15 20:01 20m -4 / - OE3MJA - / -19 2 ✓ Confirmed
07-12 20:28 20m -22 / - YO4DWD - / -18 2 ✓ Confirmed
07-07 20:35 20m -4 / - IQ4JO - / -12 3 ✓ Confirmed
07-07 20:17 20m -12 / - EA7AQY - / -23 2 ✓ Confirmed
07-07 20:12 20m -5 / - SP0DK/P - / -6 3 ✓ Confirmed
07-07 19:56 20m -15 / - TF3VS - / -22 3 ✓ Confirmed
07-06 19:38 20m +4 / - RC6OU - / -13 3 ✓ Confirmed
07-06 19:31 20m -14 / - ON8BB - / -15 4 ✓ Confirmed
07-06 19:24 20m -14 / - ON8BB - / - 2 Partial
06-30 20:12 20m -14 / - R4FDW - / -7 2 ✓ Confirmed
06-30 20:06 20m -10 / - RZ4FWA - / -10 3 ✓ Confirmed
06-29 20:28 20m +7 / - DK2LG - / - 5 Partial
06-27 21:05 10m -1 / - CE2SV - / -19 2 ✓ Confirmed
06-27 19:29 20m -7 / - HA1ICE - / - 3 Partial
06-22 19:35 20m +10 / - EA3DIX - / -24 4 ✓ Confirmed
06-18 19:26 20m -13 / - UA6LCF - / - 2 Partial
06-18 19:23 20m -8 / - UW5ESX - / -17 3 ✓ Confirmed
06-17 20:33 20m -16 / - HG5ONP - / - 2 Partial
06-17 20:26 20m +14 / - 9H5DX -22 / -18 4 Partial
06-14 20:55 20m -6 / - SV4ZQ - / -16 3 ✓ Confirmed
06-14 20:51 20m -10 / - F1HSY - / -19 3 ✓ Confirmed
06-13 20:05 20m 0 / - SV1MOZ - / -10 3 ✓ Confirmed
06-12 20:29 20m -4 / - HA1ICE - / - 6 Partial
06-12 20:27 20m -15 / - TA2CMP - / -13 2 ✓ Confirmed
06-12 20:10 20m +2 / - IZ2DPX - / -22 8 ✓ Confirmed
06-12 20:02 20m -2 / - JY5IB - / -16 2 ✓ Confirmed
06-12 19:45 20m 0 / - F1ODM - / -16 3 ✓ Confirmed
06-12 19:43 20m - / -11 W6DAX -14 / - 2 ✓ Confirmed
06-12 19:40 20m +1 / -17 EA1B -15 / -17 8 ✓ Complete
06-12 19:40 20m - / -3 BH4GWF -9 / - 2 ✓ Confirmed
06-10 20:06 20m +13 / - IK8TPB - / -8 3 ✓ Confirmed
06-10 20:02 20m +7 / -15 DL8HXP -17 / -22 4 ✓ Complete
06-10 20:00 20m +9 / - RZ4FWA - / - 2 Partial
06-02 19:53 20m - / -5 BI1AFK -18 / - 2 ✓ Confirmed
05-24 20:00 20m +15 / - SV5BYP - / -14 3 ✓ Confirmed
05-24 19:56 20m +4 / - RX7O - / -3 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
202430  -4 1192  JA1KNB F/G7NUT R-21 (x2)
202515  -3  552  JA1KNB EB3DBR JN11
202530  -4 1192  JA1KNB F/G7NUT R-21 (x3)
203130 -12  717  JA1KNB SP2SGZ JO94 (x3)
205430 -16  228  JA1KNB DK0RST R-19 (x2)
193330 -10 2519  JA1KNB RZ4AZ LN28 (x3)
193730  +8 2520  JA1KNB IU1CYA JN35
10m 
UTC    dB  Freq  Message
210500  -1 2552  JA1KNB CE2SV -19 (x2)
40m 
UTC    dB  Freq  Message
205430  +1 2784  JA1KNB D2UY RR73

SNR History by Band