K4AI
Active1x2District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderAPCO INTERNATIONAL AMATEUR RADIO CLUB
Min. Class RequiredAmateur Extra
LocationDowney, CA
Grant DateAug 24, 2016
Expiration DateNov 4, 2026
K4AI is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by APCO INTERNATIONAL AMATEUR RADIO CLUB in Downey, CA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Ison, Anthony G on May 2, 2016. K4AI has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .- ..
CW Weight: 20 units(Ultra-light (very fast to send))
Voice Phonetics
Kilo Four Alpha India
Readability: 8/10(High readability)
License History
- License ModifiedJun 24, 2019
- License RenewedAug 24, 2016
- License ModifiedOct 25, 2010
- License RenewedOct 4, 2006
- License ModifiedApr 8, 2002
- Administrative Update AppliedApr 2, 2001
- Administrative Update AppliedMar 30, 2001
- License ModifiedMar 29, 2001
- Tax ID (TIN) AddedMar 19, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.