Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4CHL callsign genealogy
Currently held by Sirkin, Alan N
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 KI4CHL'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 KI4CHL.
- Sirkin, Alan NFLgranted 2014-01-10cancelled 2026-03-06