KF3DS
Available2x2District 3
Competitive callsign — 1 application filed with the FCC.
License HolderRyan, Cornelius M
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationRockville, MD
Grant DateDec 27, 2007
Expiration DateFeb 26, 2018
Cancellation DateFeb 27, 2020
Available for ApplicationsFeb 27, 2020
KF3DS is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Ryan, Cornelius M in Rockville, MD. 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 Scarborough, Trey D on Sep 3, 2025. KF3DS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..-. ...-- -.. ...
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Foxtrot Three Delta Sierra
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 ExpiredFeb 27, 2020
- License RenewedDec 27, 2007
- Administrative Update AppliedAug 30, 2007
- License ModifiedApr 18, 2000
- License IssuedJan 11, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Scarborough, Trey DFiled Sep 3, 2025DismissedFCC ↗