Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7CU callsign genealogy
Currently held by Masters, Michael C
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 KL7CU's current licensee, walking backwards.
- Masters, Michael CAKgranted 2011-02-15cancelled 2018-02-03
Successor callsigns
Callsigns held now by people who previously held KL7CU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7CU, oldest first.
- BERTICEVICH, SHEILA R AK1998-08-18 → cancelled 2010-08-19
- Masters, Michael C AK2018-02-03 active