Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1AD callsign genealogy
Currently held by DREHER, PATRICK
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 AC1AD's current licensee, walking backwards.
- DREHER, PATRICKMAgranted 2006-11-29cancelled 2016-06-24
Successor callsigns
Callsigns held now by people who previously held AC1AD.
No current licensee on record previously held this callsign.