Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W1ZVK callsign genealogy
Currently held by Mac Gregor Jr, James 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 W1ZVK's current licensee, walking backwards.
- Mac Gregor Jr, James FSCgranted 2010-02-11cancelled 2012-11-21
Successor callsigns
Callsigns held now by people who previously held W1ZVK.
No current licensee on record previously held this callsign.