Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5ZS callsign genealogy
Currently held by Shear, Robert J
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 AC5ZS's current licensee, walking backwards.
- Shear, Robert JTXgranted 2000-07-26cancelled 2000-08-08
Successor callsigns
Callsigns held now by people who previously held AC5ZS.
No current licensee on record previously held this callsign.