KR4FSN — FT8 station from United States

United States Grid: FM16

Amateur radio station KR4FSN operating from United States (grid square FM16). 140 FT8 spots received at SO8OO WebSDR, 5 CQ calls, active on 40m, 20m, over 10 days, best SNR +13 dB. Heard between 2026-05-01 and 2026-05-29.

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

Overview

140
Total spots
5
CQ calls
10
Days active
-5 dB
Avg SNR

Bands

40m 20m
First seen: 2026-05-01
Last seen: 2026-05-29 22:34 UTC

Frequent QSO partners observed at SO8OO

Stations KR4FSN worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandKR4FSNPartnerPartner SNRMsgs
05-30 00:29 40m +10 / - S52RS - / - 6 Partial
05-30 00:27 40m -19 / - AE1JR - / - 2 ✓ Confirmed
05-30 00:26 40m +2 / - F1IQH - / - 4 Partial
05-24 01:43 40m - / -4 AC8JT -11 / - 2 Partial
05-24 01:41 40m -1 / - DK7ZT - / -6 3 Partial
05-24 01:41 40m +8 / -22 F4GTB -14 / - 3 Partial
05-24 01:38 40m 0 / -20 PE1NPS -12 / - 4 Partial
05-24 01:35 40m - / - YM4KF -12 / - 2 Partial
05-24 01:32 40m +1 / - 9A4ZM - / -13 3 ✓ Confirmed
05-24 01:26 40m +2 / - DK7ZT - / -6 3 Partial
05-24 01:18 40m -10 / -10 MW9LQA -16 / -16 5 ✓ Complete
05-24 01:16 40m - / -7 EA1IOK -16 / - 2 Partial
05-24 01:15 40m -14 / - IZ8PPI - / -11 2 Partial
05-24 01:14 40m +8 / - YO9PH -19 / -5 2 Partial
05-24 01:12 40m -18 / - CU6AB - / -14 2 ✓ Confirmed
05-23 02:45 40m +6 / - DK7ZT - / -9 3 Partial
05-23 02:38 40m +9 / - IQ4JO - / -14 4 ✓ Confirmed
05-23 02:35 40m -9 / - F4GTB - / - 3 Partial
05-23 02:31 40m +8 / -11 IK4LZH -12 / -19 6 ✓ Complete
05-23 02:25 40m - / - 9Z4S -13 / - 2 Partial
05-16 03:35 40m +12 / - SV1FJF - / -11 2 ✓ Confirmed
05-15 23:53 40m -4 / - 4X5JK - / -13 2 ✓ Confirmed
05-13 04:22 40m -3 / - DK7ZT - / -12 3 Partial
05-13 04:16 40m -13 / - IZ8PPI - / -13 2 Partial
05-13 04:13 40m -1 / - DG5AAG - / -4 5 Partial
05-13 04:13 40m -9 / - SP7XIF - / -16 2 Partial
05-13 02:50 40m +8 / - F4BYA - / -15 2 ✓ Confirmed
05-13 02:43 40m -14 / - IS0BOY - / -25 2 Partial
05-13 02:37 40m -13 / - F4GTB - / - 3 Partial
05-13 02:33 40m -6 / - F4GTB - / - 2 Partial
05-13 02:30 40m +8 / - F4BYA - / - 3 Partial
05-13 02:22 40m -10 / - PA1PXL - / - 3 Partial
05-13 02:13 40m -6 / - 4X1UF -12 / -8 3 ✓ Verified
05-03 22:46 20m -4 / +2 V31DL -18 / - 6 Partial
05-03 22:43 20m 0 / - EA5JK - / -16 3 ✓ Confirmed
05-03 22:40 20m -11 / - V31DL - / - 3 Partial
05-02 03:43 40m -4 / - F8NHF - / - 4 Partial
05-02 03:37 40m 0 / - IZ8DBJ - / -19 2 ✓ Confirmed
05-02 02:41 40m -20 / - CT7AUT - / -6 6 ✓ Confirmed
05-01 21:49 20m -12 / - IK4TVP - / -17 3 Partial
05-01 21:40 20m -6 / - 7Z1BM - / -22 9 Partial
05-01 20:22 20m -17 / - DL3MIB - / - 2 Partial

Station Log

40m 
UTC    dB  Freq  Message
002630  -2  619  KR4FSN F1IQH JN27
002700 -20 1439  KR4FSN AE1JR FN42
002700  +3  619  KR4FSN F1IQH JN27 (x2)
002800 -18 1438  KR4FSN AE1JR 73
002845 -21 1439  CQ KR4FSN FM16                        a1
002930 +11 2586  KR4FSN S52RS JN75
002930  +0 1439  KR4FSN F4FLF R-09
003030 +10 2585  KR4FSN S52RS JN75
003100 -19 2421  KR4FSN W1XI R+11
003100  +9 2585  KR4FSN S52RS JN75 (x4)
003415 -19 1439  CQ KR4FSN FM16
20m 
UTC    dB  Freq  Message
223445 -20 1621  US5HL KR4FSN -05
224045 -15 1186  KR4FSN V31DL EK57 (x3)
224345  -1 1448  KR4FSN EA5JK -16 (x3)
224615 -12 1186  KR4FSN V31DL EK57 (x2)
224700 -19 1785  HG8LXL KR4FSN RRR
224715  +0 1186  KR4FSN V31DL EK57 (x2)
224900 -17 1785  V31DL KR4FSN +02 (x2)
215430  -8  504  KR4FSN EA1IOK IN62

SNR History by Band