Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1IV callsign genealogy
Currently held by Cavan Jr, James J
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 AB1IV's current licensee, walking backwards.
- Cavan Jr, James JMAgranted 2006-04-04cancelled 2008-04-22
Successor callsigns
Callsigns held now by people who previously held AB1IV.
No current licensee on record previously held this callsign.