Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1PD callsign genealogy
Currently held by Ferrara, John P
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 AB1PD's current licensee, walking backwards.
- Ferrara, John PMAgranted 2011-05-06cancelled 2011-06-17
Successor callsigns
Callsigns held now by people who previously held AB1PD.
No current licensee on record previously held this callsign.