Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5MZD callsign genealogy
Currently held by Conlon, Mark V
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 W5MZD's current licensee, walking backwards.
- Conlon, Mark VTXgranted 2009-07-29cancelled 2011-12-30
Successor callsigns
Callsigns held now by people who previously held W5MZD.
No current licensee on record previously held this callsign.