KD3CBM
Active2x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderHarper Jr, Eric K
License ClassTechnician
Min. Class RequiredTechnician
LocationPhiladelphia, PA
Grant DateNov 22, 2025
Expiration DateNov 22, 2035
KD3CBM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Harper Jr, Eric K in Philadelphia, 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 Zimmerman, Dennis B on Mar 9, 2009. KD3CBM 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 Bravo Mike
Readability: 8/10(High readability)
License History
- System-Generated GrantNov 22, 2025
- License IssuedNov 22, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Zimmerman, Dennis BFiled Mar 9, 2009Not awardedFCC ↗