Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BYS callsign genealogy
Currently held by Bays, Calvin D
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 K7BYS's current licensee, walking backwards.
- Bays, Calvin DORgranted 2018-06-19cancelled 2019-06-22
Successor callsigns
Callsigns held now by people who previously held K7BYS.
No current licensee on record previously held this callsign.