NB7XX
Active2x2District 7
Competitive callsign — 3 applications filed with the FCC.
License HolderMANN, DAVID J
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSaddlebrooke, AZ
Grant DateOct 9, 2026
Expiration DateOct 9, 2036
NB7XX is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by MANN, DAVID J in Saddlebrooke, AZ. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by MANN, DAVID J on Sep 21, 2026. NB7XX has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. -... --... -..- -..-
CW Weight: 35 units(Moderate)
Voice Phonetics
November Bravo Seven X-ray X-ray
Readability: 7/10(Good readability)
License History
- Vanity Callsign GrantedOct 9, 2026
- License IssuedOct 9, 2026
- License CanceledJun 3, 2025
- Administrative Update AppliedMar 18, 2025
- Administrative Update AppliedJul 13, 2024
- Administrative Update AppliedMay 11, 2021
- Administrative Update AppliedSep 13, 2018
- License IssuedMay 12, 2017
- Vanity Callsign GrantedMay 12, 2017
Vanity Application Activity
Competing applications filed with the FCC for this callsign.