Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MDA callsign genealogy
Currently held by DEMARZO, ALEXANDER 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 K5MDA's current licensee, walking backwards.
- DEMARZO, ALEXANDER JTXgranted 2001-01-29cancelled 2007-05-04
Successor callsigns
Callsigns held now by people who previously held K5MDA.
No current licensee on record previously held this callsign.