Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4PZX callsign genealogy
Currently held by POOLE, ALEXANDER 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 W4PZX's current licensee, walking backwards.
- Vandersluis, Nicholas RFLgranted 2016-09-30cancelled 2016-10-21
Successor callsigns
Callsigns held now by people who previously held W4PZX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4PZX, oldest first.
- POOLE, ALEXANDER D LA2006-08-02 → cancelled 2007-03-03
- Vandersluis, Nicholas R FL2016-10-21 active