Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1ZID callsign genealogy
Currently held by Polcari Jr, Joseph 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 W1ZID's current licensee, walking backwards.
- Polcari Jr, Joseph AFLgranted 2018-02-15cancelled 2018-03-06
Successor callsigns
Callsigns held now by people who previously held W1ZID.
No current licensee on record previously held this callsign.