Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MCW callsign genealogy
Currently held by McWhorter, James H
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 K4MCW's current licensee, walking backwards.
- McWhorter, James HGAgranted 2009-11-12cancelled 2009-12-01
Successor callsigns
Callsigns held now by people who previously held K4MCW.
No current licensee on record previously held this callsign.