Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AB7SW callsign genealogy
Currently held by PROBERT, MATTHEW 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 AB7SW's current licensee, walking backwards.
- KE6JRRno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AB7SW.
- PROBERT, MATTHEW DWAgranted 2017-06-13