N4TTL
Available1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderAllen, William D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationStephenville, TX
Grant DateNov 5, 2019
Expiration DateNov 6, 2029
Cancellation DateJan 21, 2022
Available for ApplicationsJan 22, 2024
N4TTL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Allen, William D in Stephenville, TX. 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 Couture, Sebastien on Aug 25, 2025. N4TTL has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- - - .-..
CW Weight: 23 units(Light (fast to send))
Voice Phonetics
November Four Tango Tango Lima
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledJan 21, 2022
- Administrative Update AppliedNov 10, 2021
- Administrative Update AppliedNov 10, 2021
- License RenewedNov 5, 2019
- License RenewedSep 26, 2009
- Administrative Update AppliedDec 16, 2008
- License RenewedNov 6, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.