Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1GCZ callsign genealogy
Currently held by Robinson, John 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 KA1GCZ's current licensee, walking backwards.
- Robinson, John JCTgranted 2017-04-10cancelled 2017-05-05
Successor callsigns
Callsigns held now by people who previously held KA1GCZ.
No current licensee on record previously held this callsign.