Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MPC callsign genealogy
Currently held by Callahan Sr, Michael P
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 K1MPC's current licensee, walking backwards.
- Callahan Sr, Michael PMAgranted 2009-12-01cancelled 2010-01-23
Successor callsigns
Callsigns held now by people who previously held K1MPC.
No current licensee on record previously held this callsign.