Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AD2AI callsign genealogy
Currently held by Markowitz, Joseph
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 AD2AI's current licensee, walking backwards.
- Markowitz, JosephNJgranted 2020-02-20cancelled 2020-03-05
Successor callsigns
Callsigns held now by people who previously held AD2AI.
- Markowitz, JosephNJgranted 2020-04-07