Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ZPX callsign genealogy
Currently held by PIETSCH, GERHARD T
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 W0ZPX's current licensee, walking backwards.
- McElhinny, Andrew GFLgranted 2023-07-18cancelled 2023-08-11
Successor callsigns
Callsigns held now by people who previously held W0ZPX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0ZPX, oldest first.
- PIETSCH, GERHARD T FL2015-06-01 → cancelled 2021-08-20
- McElhinny, Andrew G FL2023-08-11 active