KD3ZER
Active2x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderRohlfing, Charles
License ClassGeneral
Min. Class RequiredTechnician
LocationWhite Hall, MD
Grant DateSep 22, 2026
Expiration DateSep 22, 2036
KD3ZER is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Rohlfing, Charles in White Hall, 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 Rohlfing, Charles on Sep 4, 2026. KD3ZER has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ...-- --.. . .-.
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Delta Three Zulu Echo Romeo
Readability: 7/10(Good readability)
License History
- License ModifiedOct 19, 2026
- License IssuedSep 22, 2026
- Vanity Callsign GrantedSep 22, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Rohlfing, CharlesFiled Sep 4, 2026Not awardedFCC ↗