Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LLZ callsign genealogy
Currently held by Cylc, John F
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 K1LLZ's current licensee, walking backwards.
- Cylc, John FTNgranted 2010-05-12cancelled 2010-06-02
Successor callsigns
Callsigns held now by people who previously held K1LLZ.
No current licensee on record previously held this callsign.