Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4PXU callsign genealogy
Currently held by SILER JR, JOHN C
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 W4PXU's current licensee, walking backwards.
- SILER JR, JOHN CTNgranted 2013-02-22cancelled 2014-12-05
Successor callsigns
Callsigns held now by people who previously held W4PXU.
No current licensee on record previously held this callsign.