KF4TDM
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCASTLEMAN, RICHARD H
License ClassGeneral
Min. Class RequiredTechnician
LocationSAINT CLAIR SHORES, MI
Grant DateJul 2, 1997
Expiration DateJul 2, 2007
Cancellation DateJul 3, 2009
Available for ApplicationsJul 3, 2009
KF4TDM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by CASTLEMAN, RICHARD H in SAINT CLAIR SHORES, MI. 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 McNeil, Timothy D on Aug 31, 2026. KF4TDM has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ..-. ....- - -.. --
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Tango Delta Mike
Readability: 8/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJul 3, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- McNeil, Timothy DFiled Aug 31, 2026DismissedFCC ↗