AB1DF
Available2x2District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderTanabe, Sadakazu
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHudson, NH
Grant DateMar 4, 2004
Expiration DateMar 4, 2014
Cancellation DateJun 2, 2004
Available for ApplicationsJun 3, 2006
AB1DF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Tanabe, Sadakazu in Hudson, NH. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Finch, Daniel on Sep 24, 2025. AB1DF has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -... .---- -.. ..-.
CW Weight: 34 units(Moderate)
Voice Phonetics
Alpha Bravo One Delta Foxtrot
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledJun 2, 2004
- License IssuedMar 4, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.