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N4TTB

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCURTS, CHARLES M

License ClassGeneral

Min. Class RequiredGeneral

LocationDiamond Bar, CA

Grant DateSep 26, 2023

Expiration DateSep 26, 2033

N4TTB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by CURTS, CHARLES M in Diamond Bar, CA. 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 Butler, Teresa on Sep 8, 2023. N4TTB has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-. ....- - - -...

CW Weight: 23 units(Light (fast to send))

Voice Phonetics

November Four Tango Tango Bravo

Readability: 7.5/10(High readability)

License History

License IssuedSep 26, 2023
Vanity Callsign GrantedSep 26, 2023
License ExpiredAug 31, 2010
Administrative Update AppliedMar 7, 2006
FRN Association Email SentMar 6, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Butler, TeresaFiled Sep 8, 2023
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 30, 2026

N4TTB FCC Vanity Status: 1 Competing Application & History