Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC0HK callsign genealogy
Currently held by Richards, Gregory C
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 AC0HK's current licensee, walking backwards.
- Richards, Gregory CSDgranted 2004-08-13cancelled 2007-04-04
Successor callsigns
Callsigns held now by people who previously held AC0HK.
- Richards, Gregory CSDgranted 2019-01-31