Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7POZ callsign genealogy
Currently held by Heinen, Donald M
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 W7POZ's current licensee, walking backwards.
- Heinen, Donald MWAgranted 2012-05-29cancelled 2012-07-06
Successor callsigns
Callsigns held now by people who previously held W7POZ.
No current licensee on record previously held this callsign.