Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MCP callsign genealogy
Currently held by Petty, Michael C
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 W6MCP's current licensee, walking backwards.
- Petty, Michael CTXgranted 2013-03-26cancelled 2020-03-27
Successor callsigns
Callsigns held now by people who previously held W6MCP.
- Poertner, Matthew CCAgranted 2026-01-21
All historical holders
Every license row we've seen with the callsign W6MCP, oldest first.
- Poertner, Matthew C CA2013-12-31 → cancelled 2016-04-19
- Petty, Michael C TX2020-03-27 active