Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ZFR callsign genealogy
Currently held by GILES, MICHAEL P
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 W4ZFR's current licensee, walking backwards.
- GILES, MICHAEL PALgranted 2016-10-25cancelled 2021-10-13
Successor callsigns
Callsigns held now by people who previously held W4ZFR.
No current licensee on record previously held this callsign.