N4TXT
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderCastiblanco, John
License ClassGeneral
Min. Class RequiredGeneral
LocationBoerne, TX
Grant DateOct 23, 2026
Expiration DateOct 23, 2036
N4TXT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Castiblanco, John in Boerne, TX. 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 Castiblanco, John on Oct 5, 2026. N4TXT has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- - -..- -
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
November Four Tango X-ray Tango
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedOct 27, 2026
- License IssuedOct 23, 2026
- Vanity Callsign GrantedOct 23, 2026
- License ExpiredMay 13, 2023
- License RenewedMay 12, 2011
- Administrative Update AppliedFeb 12, 2002
- License RenewedNov 29, 2000
- License ModifiedMay 31, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.