Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4AI callsign genealogy
Currently held by Shullo, Philip F
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 KZ4AI's current licensee, walking backwards.
- Shullo, Philip FNCgranted 2015-05-22cancelled 2023-08-22
Successor callsigns
Callsigns held now by people who previously held KZ4AI.
No current licensee on record previously held this callsign.