Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4ZPZ callsign genealogy
Currently held by MacPherson, Ian D
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 K4ZPZ's current licensee, walking backwards.
- MacPherson, Ian DFLgranted 2009-01-06cancelled 2009-01-27
Successor callsigns
Callsigns held now by people who previously held K4ZPZ.
No current licensee on record previously held this callsign.