Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1MCW callsign genealogy
Currently held by McWilliams, Keith
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 K1MCW's current licensee, walking backwards.
- McWilliams, KeithMAgranted 2020-01-22cancelled 2020-03-03
Successor callsigns
Callsigns held now by people who previously held K1MCW.
No current licensee on record previously held this callsign.