Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AD4SW callsign genealogy
Currently held by Collier D Star Group
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 AD4SW's current licensee, walking backwards.
- KK4PXKcancelledCollier D Star GroupFLgranted 2013-03-27cancelled 2013-05-21
Successor callsigns
Callsigns held now by people who previously held AD4SW.
- PERRY, MICHAEL LALgranted 2017-04-12