KD4UO — FT8 station from United States

United States Grid: JO21

Amateur radio station KD4UO operating from United States (grid square JO21). 17 FT8 spots received at SO8OO WebSDR, active on 20m, over 5 days, best SNR +5 dB. Heard between 2026-04-28 and 2026-07-21.

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

Overview

Total spots

CQ calls

Days active

-14 dB

Avg SNR

Bands

20m

First seen: 2026-04-28
Last seen: 2026-07-21 05:38 UTC

Frequent QSO partners observed at SO8OO

Stations KD4UO worked most often, as logged from our receiver:

PD0DDA · Netherlands RU3SD · European Russia

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	KD4UO	Partner	Partner SNR	Msgs
07-21 07:36	20m	-12 / -	PD1ADA	- / -	4	Partial
07-21 07:05	20m	-18 / -	F8NHF	- / -	2	Partial
07-18 20:00	20m	-11 / -	RU3SD	- / -23	4	✓ Confirmed

Station Log

20m

UTC    dB  Freq  Message
221645  +5 2505  KD4UO TF4M HP85
224345 -21 1655  K5LJC KD4UO EM84
061100 -23 2113  KD4UO PD7RF -24
061130 -19 1470  KD4UO F5IXN JN23
200045 -11 2023  KD4UO RU3SD KO94 (x4)
065300 -13 1476  KD4UO PD0DDA RR73
070545 -17 2235  KD4UO F8NHF JO10 (x2)
073630 -17 2036  KD4UO PD1ADA JO21 (x4)