N4OTB
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderKarabaich, John M
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHuntsville, AL
Grant DateApr 15, 2022
Expiration DateApr 15, 2032
N4OTB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Karabaich, John M in Huntsville, AL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Karabaich, John M on Mar 28, 2022. N4OTB has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- --- - -...
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
November Four Oscar Tango Bravo
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedMar 6, 2024
- Administrative Update AppliedDec 30, 2022
- License ModifiedMay 19, 2022
- Vanity Callsign GrantedApr 15, 2022
- License IssuedApr 15, 2022
- License ExpiredOct 17, 2017
- Tax ID (TIN) AddedJul 20, 2005
- License RenewedJul 20, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Karabaich, John MFiled Mar 28, 2022Not awardedFCC ↗