NN4OO
Active2x2District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderGuhl, Philip E
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBall Ground, GA
Grant DateApr 11, 2025
Expiration DateApr 11, 2035
NN4OO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Guhl, Philip E in Ball Ground, GA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Guhl, Philip E on Mar 24, 2025. NN4OO has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. -. ....- --- ---
CW Weight: 33 units(Moderate)
Voice Phonetics
November November Four Oscar Oscar
Readability: 7/10(Good readability)
License History
- License IssuedApr 11, 2025
- Vanity Callsign GrantedApr 11, 2025
- License CanceledApr 5, 2019
- License IssuedMay 26, 2017
- Vanity Callsign GrantedMay 26, 2017
Vanity Application Activity
Competing applications filed with the FCC for this callsign.