KJ4KFJ — FT8 station from United States

United States Grid: JO21

Amateur radio station KJ4KFJ operating from United States (grid square JO21). 964 FT8 spots received at SO8OO WebSDR, 67 CQ calls, active on 60m, 40m, 20m, over 37 days, best SNR +19 dB. Heard between 2026-04-23 and 2026-06-26.

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

Overview

964
Total spots
67
CQ calls
37
Days active
-6 dB
Avg SNR

Bands

20m 40m 60m
First seen: 2026-04-23
Last seen: 2026-06-26 10:59 UTC

Frequent QSO partners observed at SO8OO

Stations KJ4KFJ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandKJ4KFJPartnerPartner SNRMsgs
06-26 12:57 20m -23 / - PD0LK - / - 3 Partial
06-26 12:27 20m -20 / - F5IXN - / - 2 Partial
06-25 22:16 20m -8 / - 4Z5AY - / - 4 Partial
06-24 20:13 20m 0 / - F4MXU - / - 2 Partial
06-24 20:00 20m 0 / - CT3MD - / - 2 Partial
06-23 11:18 20m -13 / - DL1UDO - / - 3 Partial
06-23 11:14 20m -17 / - DB1EF - / - 2 Partial
06-23 11:14 20m -14 / - F1PSX - / - 10 Partial
06-23 11:09 20m -14 / - F5CKQ - / -11 4 Partial
06-23 10:46 20m -17 / - DL9PN - / - 2 Partial
06-23 10:46 20m -9 / - F5IXN - / - 3 Partial
06-20 13:54 20m -12 / - GU0SUP - / - 2 Partial
06-17 14:11 20m -9 / - G5MJF - / -19 5 Partial
06-16 23:26 20m - / - WD4DIY -22 / - 2 Partial
06-14 13:50 20m -10 / - HB9VAA - / - 3 Partial
06-14 01:58 40m +10 / - DL8OH - / -8 2 ✓ Confirmed
06-14 01:53 40m -16 / - 5Z4VJ - / +2 2 Partial
06-14 01:51 40m +16 / - IZ2DVI - / -5 2 ✓ Confirmed
06-14 01:47 40m -10 / - PE1NPS - / - 4 Partial
06-14 01:46 40m - / +2 KE8UCE -17 / - 2 ✓ Confirmed
06-14 01:15 40m +14 / - PI4DX - / -4 8 ✓ Confirmed
06-14 01:12 40m +2 / - <...> - / -19 3 Partial
06-10 22:23 20m -12 / - GD7RVP - / -11 2 Partial
06-10 22:15 20m -3 / - SV5BYP - / - 4 Partial
06-10 21:38 20m +6 / - SV5BYP - / - 4 Partial
06-10 21:33 20m -3 / - SV5BYP - / -13 5 Partial
06-10 20:42 20m -16 / - F4FLF - / - 3 Partial
06-10 20:27 20m -23 / - JA4WLF - / -12 3 ✓ Confirmed
06-10 20:17 20m -16 / - JA4WLF - / - 2 Partial
06-10 19:28 20m -11 / - OH5DHJ - / - 2 Partial
06-10 19:04 20m 0 / - R3KFT - / - 2 Partial
06-10 19:00 20m -6 / - R5DM - / -15 3 Partial
06-10 17:53 20m -12 / - IZ5LDD - / - 3 Partial
06-10 16:27 20m -12 / - UC9V - / -18 2 ✓ Confirmed
06-10 13:34 20m -6 / - F1PPH - / -7 3 Partial
06-10 02:12 20m - / -12 WY7MM -15 / - 2 Partial
06-10 02:06 20m -16 / - R3KCW - / -17 3 Partial
06-10 01:40 20m - / - WA7RC -12 / - 2 ✓ Confirmed
06-10 01:37 20m - / -18 RD0B -11 / - 3 Partial
06-10 01:36 20m - / -15 VE7XOJ -8 / - 3 Partial
06-10 01:32 20m - / -13 PY3DS -7 / - 2 Partial
06-10 01:30 20m -14 / - PA3KUS - / - 3 Partial
06-10 01:26 20m - / -21 UW8SM -9 / - 3 Partial
06-10 01:24 20m - / -18 RW3TY -9 / - 2 Partial
06-10 01:23 20m - / -13 LU6HOG -10 / - 2 ✓ Confirmed
06-10 01:22 20m - / -1 W0WMU -11 / - 2 ✓ Confirmed
06-10 01:20 20m -8 / - 4Z4MU - / +5 5 Partial
06-10 01:19 20m - / -15 UN2E -9 / - 2 ✓ Confirmed
06-10 01:18 20m -21 / - UN7BDZ - / -18 2 Partial
06-10 01:12 20m -16 / -10 KC5AOI -10 / - 3 ✓ Verified

Station Log

20m 
UTC    dB  Freq  Message
200030  +2 1007  KJ4KFJ CT3MD IM13
201300  +0 2599  KJ4KFJ F4MXU JN25 (x2)
201515  -6 2983  KJ4KFJ CT7/TF1OL -14
203645  -5  361  KJ4KFJ F4BYA JN19
221645  -3 2583  KJ4KFJ 4Z5AY KM72 (x4)
122700 -18 1270  KJ4KFJ F5IXN JN23 (x2)
125300 -20 1301  KJ4KFJ PD0LK JO21 (x4)
40m 
UTC    dB  Freq  Message
012000 +15 2866  KJ4KFJ IZ2DVI JN45
014615 -17 2023  KE8UCE KJ4KFJ R+02 (x2)
014700  -8 2585  KJ4KFJ PE1NPS JO22 (x4)
015100 +13 2867  KJ4KFJ IZ2DVI -05 (x2)
015315 -18 2346  KJ4KFJ 5Z4VJ +02 (x3)
015815  +4  450  KJ4KFJ DL8OH -08 (x2)
010245  +9 2893  KJ4KFJ IQ4JO JN63
60m 
UTC    dB  Freq  Message
020315 -21 2026  KJ4KFJ IZ8PPI -07

SNR History by Band