Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1SDR callsign genealogy
Currently held by Josephson, Kyle B
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 KC1SDR's current licensee, walking backwards.
- Josephson, Kyle BRIgranted 2016-04-22cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held KC1SDR.
No current licensee on record previously held this callsign.