Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9GAS callsign genealogy
Currently held by Shafer, 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 KC9GAS's current licensee, walking backwards.
- Shafer, Gregory AINgranted 2020-09-09cancelled 2020-10-14
Successor callsigns
Callsigns held now by people who previously held KC9GAS.
No current licensee on record previously held this callsign.