K4DOI
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMarston, James T
License ClassGeneral
Min. Class RequiredGeneral
LocationSocial Circle, GA
Grant DateApr 16, 2013
Expiration DateJun 25, 2023
Cancellation DateJun 26, 2025
Available for ApplicationsJun 26, 2025
K4DOI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Marston, James T in Social Circle, GA. 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 MARSTON, JAMES T on Jun 6, 2003. K4DOI has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.. --- ..
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Four Delta Oscar India
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 ExpiredJun 26, 2025
- License RenewedApr 16, 2013
- License ModifiedDec 15, 2006
- License IssuedJun 25, 2003
- Vanity Callsign GrantedJun 25, 2003
- License ExpiredSep 10, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- MARSTON, JAMES TFiled Jun 6, 2003Not awardedFCC ↗