AA4UM
Expired2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderCampbell Jr, Clarence D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationAmherst, VA
Grant DateDec 19, 2014
Expiration DateDec 19, 2024
Available for ApplicationsDec 20, 2026
AA4UM is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Campbell Jr, Clarence D in Amherst, VA. 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 Campbell Jr, Clarence D on Dec 1, 2014. AA4UM has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .- ....- ..- --
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Alpha Alpha Four Uniform Mike
Readability: 8/10(High readability)
Available Dec 20, 2026 (107 days remaining)
Requires General license or higher to apply for this callsign format (2x2).
License History
- License IssuedDec 19, 2014
- Vanity Callsign GrantedDec 19, 2014
- License ExpiredMar 22, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.