Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1CLS callsign genealogy
Currently held by Cape Cod Lighthouse Charter School
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 K1CLS's current licensee, walking backwards.
- KC1BOCcancelledCape Cod Lighthouse Charter SchoolMAgranted 2014-04-04cancelled 2014-04-29
Successor callsigns
Callsigns held now by people who previously held K1CLS.
No current licensee on record previously held this callsign.