Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5AZY callsign genealogy
Currently held by MARSHALL, JOSEPH 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 K5AZY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K5AZY.
- MARSHALL, JOSEPH JTXgranted 2000-08-08cancelled 2012-08-09
All historical holders
Every license row we've seen with the callsign K5AZY, oldest first.
- MARSHALL, JOSEPH J TX1995-04-21 → cancelled 2000-08-08
- Carrillo, Aaron S TX2020-10-09 active