AA4KS
Available2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderSPILLE, RICHARD F
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationKNOXVILLE, TN
Grant DateJul 16, 2005
Expiration DateJul 16, 2015
Cancellation DateJul 18, 2017
Available for ApplicationsJul 17, 2017
AA4KS is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by SPILLE, RICHARD F in KNOXVILLE, TN. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Lu, Zichen on Mar 16, 2026. AA4KS has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .- ....- -.- ...
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Alpha Alpha Four Kilo Sierra
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredJul 18, 2017
- Administrative Update AppliedMay 2, 2014
- License RenewedJul 16, 2005
- Administrative Update AppliedMay 18, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.