Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5MCP callsign genealogy
Currently held by HEFNER, REX A
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 W5MCP's current licensee, walking backwards.
- PITTS, MICHAEL CTXgranted 2010-07-07cancelled 2016-07-06
Successor callsigns
Callsigns held now by people who previously held W5MCP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5MCP, oldest first.
- HEFNER, REX A OK1988-07-19 → cancelled 2000-07-20
- PITTS, MICHAEL C TX2026-05-02 active