Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ZY callsign genealogy
Currently held by POKRESS, MILTON L
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 K4ZY's current licensee, walking backwards.
- REDDEN, TIMOTHY RVAgranted 2017-02-11cancelled 2017-09-12
Successor callsigns
Callsigns held now by people who previously held K4ZY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ZY, oldest first.
- POKRESS, MILTON L FL2007-07-27 → cancelled 2015-08-24
- REDDEN, TIMOTHY R VA2017-09-12 active