Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3INF callsign genealogy
Currently held by McAdoo, David Z
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 KC3INF'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 KC3INF.
- McAdoo, David ZMDgranted 2017-06-20