AA4YO
Available2x2District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderKOONTZ, GEORGE M
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationPETROS, TN
Grant DateMar 19, 2002
Expiration DateJun 16, 2012
Cancellation DateJun 17, 2014
Available for ApplicationsJun 17, 2014
AA4YO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by KOONTZ, GEORGE M in PETROS, TN. 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 Pagano, Carman on Jul 28, 2025. AA4YO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .- ....- -.-- ---
CW Weight: 34 units(Moderate)
Voice Phonetics
Alpha Alpha Four Yankee Oscar
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredJun 17, 2014
- Tax ID (TIN) AddedMar 19, 2002
- License RenewedMar 19, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.