Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3CS callsign genealogy
Currently held by Shefflette, Charles O
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 AA3CS's current licensee, walking backwards.
- Shefflette, Charles OMDgranted 2008-02-11cancelled 2009-04-21
Successor callsigns
Callsigns held now by people who previously held AA3CS.
- ROSS, DANIEL ENMgranted 1996-07-02cancelled 2008-07-03