N4OUP
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderAYERS, JR. WILLIAM A.
License ClassP
Min. Class RequiredGeneral
Cancellation DateApr 28, 1999
Available for ApplicationsApr 29, 2001
N4OUP is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by AYERS, JR. WILLIAM A.. 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 ARANGO, BYRON S on Aug 11, 2025.
CW & Voice Analysis
Morse Code
-. ....- --- ..- .--.
CW Weight: 33 units(Moderate)
Voice Phonetics
November Four Oscar Uniform Papa
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- ARANGO, BYRON SFiled Aug 11, 2025DismissedFCC ↗