Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6ZAO callsign genealogy
Currently held by McCormick II, Franklin 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 K6ZAO's current licensee, walking backwards.
- McCormick II, Franklin JCAgranted 2018-02-26cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held K6ZAO.
No current licensee on record previously held this callsign.