Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0DID callsign genealogy
Currently held by OLSON, TOD
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 KC0DID'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 KC0DID.
- W0FZOactive3900 CLUBIAgranted 2019-04-10