N4AOO
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderDANNELLY JR, HENRY C
License ClassAdvanced
Min. Class RequiredGeneral
LocationANTHONY, FL
Grant DateJan 30, 2014
Expiration DateApr 20, 2024
Cancellation DateMay 7, 2026
Available for ApplicationsApr 21, 2026
N4AOO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DANNELLY JR, HENRY C in ANTHONY, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Ebrahimi, Ali H on Jul 1, 2026. N4AOO has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- .- --- ---
CW Weight: 33 units(Moderate)
Voice Phonetics
November Four Alpha Oscar Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMay 7, 2026
- License RenewedJan 30, 2014
- License RenewedApr 20, 2004
- License RenewedApr 20, 2004
- FRN Association Letter SentApr 19, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Ebrahimi, Ali HFiled Jul 1, 2026PendingFCC ↗