W3MDT
Active1x3District 3
Competitive callsign — 7 applications filed with the FCC.
License HolderFerrin, Peter D
License ClassTechnician
Min. Class RequiredGeneral
LocationThousand Oaks, CA
Grant DateMar 17, 2026
Expiration DateMar 17, 2036
W3MDT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Ferrin, Peter D in Thousand Oaks, CA. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Del Tito, Michael J on Feb 25, 2026. W3MDT has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ...-- -- -.. -
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Three Mike Delta Tango
Readability: 8.5/10(High readability)
License History
- License ModifiedMar 20, 2026
- License IssuedMar 17, 2026
- Vanity Callsign GrantedMar 17, 2026
- License CanceledJul 18, 2017
- Administrative Update AppliedSep 17, 2016
- License IssuedOct 14, 2015
- Vanity Callsign GrantedOct 14, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.