KD4BU
Available2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderVarn, David K
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSan Jose, CA
Grant DateSep 28, 2005
Expiration DateDec 4, 2015
Cancellation DateDec 5, 2017
Available for ApplicationsDec 5, 2017
KD4BU is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Varn, David K in San Jose, 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 Du Buis, Stephen E on Nov 2, 2022. KD4BU has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ....- -... ..-
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Delta Four Bravo Uniform
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredDec 5, 2017
- License RenewedSep 28, 2005
- License ModifiedMay 26, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Du Buis, Stephen EFiled Nov 2, 2022Not awardedFCC ↗