Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4CS callsign genealogy
Currently held by Sutphin, Carl F
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 AD4CS's current licensee, walking backwards.
- Sutphin, Carl FFLgranted 2003-06-09cancelled 2009-02-18
- N2KRRno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AD4CS.