Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4CDC callsign genealogy
Currently held by Griffin, Gregory A
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 KA4CDC's current licensee, walking backwards.
- Griffin, Greg ATXgranted 2019-10-25cancelled 2019-11-15
Successor callsigns
Callsigns held now by people who previously held KA4CDC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4CDC, oldest first.
- Jeffcoat, Samuel J AL2003-11-19 → cancelled 2016-02-17
- Griffin, Gregory A TX2019-11-15 active