KD3CMB
Active2x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderWilliams, David R
License ClassTechnician
Min. Class RequiredTechnician
LocationHoney Brook, PA
Grant DateJan 22, 2026
Expiration DateJan 22, 2036
KD3CMB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Williams, David R in Honey Brook, PA. 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 Bolduc, Christopher on Aug 20, 2025. KD3CMB has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ...-- -.-. -- -...
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Delta Three Charlie Mike Bravo
Readability: 8/10(High readability)
License History
- System-Generated GrantJan 22, 2026
- License IssuedJan 22, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Bolduc, ChristopherFiled Aug 20, 2025Not awardedFCC ↗