Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AD7SW callsign genealogy
Currently held by HISCOCK, WILLIAM A
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 AD7SW's current licensee, walking backwards.
- HISCOCK, WILLIAM AMTgranted 2001-03-13cancelled 2008-03-14
Successor callsigns
Callsigns held now by people who previously held AD7SW.
No current licensee on record previously held this callsign.