Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ACV callsign genealogy
Currently held by Bilyard, Michael C
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 W4ACV's current licensee, walking backwards.
- SHIFFLETT, MICHAEL CVAgranted 2020-06-19cancelled 2020-07-10
Successor callsigns
Callsigns held now by people who previously held W4ACV.
No current licensee on record previously held this callsign.