Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7OS callsign genealogy
Currently held by SWADER, LARRY 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 AC7OS's current licensee, walking backwards.
- SWADER, LARRY DAZgranted 1996-11-07cancelled 2001-09-06
Successor callsigns
Callsigns held now by people who previously held AC7OS.
- SWADER, LARRY DAZgranted 1996-11-07cancelled 2002-03-07