Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9SGP callsign genealogy
Currently held by Phillips, STEPHEN G
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 KC9SGP's current licensee, walking backwards.
- PHILLIPS, STEPHEN GINgranted 2008-03-12cancelled 2008-07-25
Successor callsigns
Callsigns held now by people who previously held KC9SGP.
No current licensee on record previously held this callsign.