Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7SC callsign genealogy
Currently held by Chamberlain, Susan L
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 AD7SC's current licensee, walking backwards.
- Chamberlain, Susan LCAgranted 2021-08-06
Successor callsigns
Callsigns held now by people who previously held AD7SC.
- Chamberlain, Susan LCAgranted 2021-08-06