Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5AMZ callsign genealogy
Currently held by McGrew, William S
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 K5AMZ's current licensee, walking backwards.
- McGrew, William STXgranted 2014-02-27cancelled 2019-08-30
Successor callsigns
Callsigns held now by people who previously held K5AMZ.
No current licensee on record previously held this callsign.