Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AE7OS callsign genealogy
Currently held by Williamson, David
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 AE7OS's current licensee, walking backwards.
- WILLIAMSON, DAVID LAZgranted 2002-07-01cancelled 2011-08-18
Successor callsigns
Callsigns held now by people who previously held AE7OS.
No current licensee on record previously held this callsign.