NX4XX
Active2x2District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderTriffo, William J
License ClassGeneral
Min. Class RequiredGeneral
LocationHouston, TX
Grant DateFeb 11, 2017
Expiration DateFeb 16, 2027
NX4XX is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Triffo, William J in Houston, TX. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by MOORE, SHARON E on Jan 29, 2007. NX4XX has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. -..- ....- -..- -..-
CW Weight: 35 units(Moderate)
Voice Phonetics
November X-ray Four X-ray X-ray
Readability: 7.5/10(High readability)
License History
- License RenewedFeb 11, 2017
- License IssuedFeb 16, 2007
- Vanity Callsign GrantedFeb 16, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.