Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7HCS callsign genealogy
Currently held by Mayfield, Bill J
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 K7HCS's current licensee, walking backwards.
- Mayfield, Bill JIDgranted 2006-06-14cancelled 2007-03-24
Successor callsigns
Callsigns held now by people who previously held K7HCS.
No current licensee on record previously held this callsign.