Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9GZL callsign genealogy
Currently held by SPAIN, RYAN D
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 KC9GZL's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC9GZL.
- SPAIN, RYAN DILgranted 2005-05-13cancelled 2017-05-16