N4DHB
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderMARSTON, ROBERT T
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationFremont, CA
Grant DateAug 30, 2022
Expiration DateNov 15, 2032
N4DHB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MARSTON, ROBERT T in Fremont, CA. 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 Bailey, Doris H on Oct 28, 2002. N4DHB has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- -.. .... -...
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
November Four Delta Hotel Bravo
Readability: 7.5/10(High readability)
License History
- License RenewedAug 30, 2022
- License RenewedAug 28, 2012
- Administrative Update AppliedMar 30, 2009
- License IssuedNov 15, 2002
- Vanity Callsign GrantedNov 15, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.