Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3RTZ callsign genealogy
Currently held by Wertz, David 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 W3RTZ's current licensee, walking backwards.
- Wertz, David LPAgranted 2016-07-15cancelled 2016-09-16
Successor callsigns
Callsigns held now by people who previously held W3RTZ.
No current licensee on record previously held this callsign.