KA4CAT
Active2x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderLonde, Stephen D
License ClassP
Min. Class RequiredTechnician
LocationLos Angeles, CA
Grant DateOct 16, 2018
Expiration DateOct 29, 2028
KA4CAT is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Londe, Stephen D in Los Angeles, CA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Starr, John A on Apr 9, 2026. KA4CAT has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .- ....- -.-. .- -
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Alpha Four Charlie Alpha Tango
Readability: 7.5/10(High readability)
License History
- License RenewedOct 16, 2018
- License RenewedAug 2, 2008
- Tax ID (TIN) AddedJul 31, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.