KD6VSN
Expired2x3District 6
Competitive callsign — 1 application filed with the FCC.
License HolderDUDERSTADT JR, MACK H
License ClassGeneral
Min. Class RequiredTechnician
LocationALAMEDA, CA
Grant DateSep 23, 2014
Expiration DateSep 23, 2024
Available for ApplicationsSep 24, 2026
KD6VSN is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by DUDERSTADT JR, MACK H in ALAMEDA, CA. 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 Duderstadt Jr, Mack H on Sep 4, 2014. KD6VSN has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. -.... ...- ... -.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Delta Six Victor Sierra November
Readability: 6.5/10(Good readability)
Available Sep 24, 2026 (76 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ModifiedOct 18, 2018
- License IssuedSep 23, 2014
- Vanity Callsign GrantedSep 23, 2014
- License ExpiredMay 19, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Duderstadt Jr, Mack HFiled Sep 4, 2014Not awardedFCC ↗