Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LLA callsign genealogy
Currently held by SHIRAR, JASON R
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 K1LLA's current licensee, walking backwards.
- SHIRAR, JASON RILgranted 2005-03-22cancelled 2007-06-12
Successor callsigns
Callsigns held now by people who previously held K1LLA.
No current licensee on record previously held this callsign.