N4OSX
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderCallahan, Scott
License ClassGeneral
Min. Class RequiredGeneral
LocationBillingsley, AL
Grant DateApr 17, 2025
Expiration DateMar 18, 2035
N4OSX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Callahan, Scott in Billingsley, AL. 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 Dlinn, Pearl B on Feb 28, 2005. N4OSX has 16 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- --- ... -..-
CW Weight: 31 units(Moderate)
Voice Phonetics
November Four Oscar Sierra X-ray
Readability: 7/10(Good readability)
License History
- License RenewedApr 17, 2025
- Administrative Update AppliedDec 20, 2023
- Administrative Update AppliedMay 4, 2017
- Administrative Update AppliedNov 5, 2015
- License RenewedFeb 26, 2015
- Administrative Update AppliedAug 27, 2013
- Administrative Update AppliedNov 3, 2012
- Administrative Update AppliedJul 7, 2012
- Administrative Update AppliedApr 3, 2012
- Administrative Update AppliedFeb 8, 2012
- Administrative Update AppliedNov 6, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.