Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1HB callsign genealogy
Currently held by Dudac, Charles A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AB1HB's current licensee, walking backwards.
- Dudac, Charles ACTgranted 2004-03-19cancelled 2007-04-25
Successor callsigns
Callsigns held now by people who previously held AB1HB.
No current licensee on record previously held this callsign.