Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1DEX callsign genealogy
Currently held by MacDonald, David J
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 K1DEX's current licensee, walking backwards.
- MacDonald, David JCTgranted 2000-04-13cancelled 2008-05-23
Successor callsigns
Callsigns held now by people who previously held K1DEX.
No current licensee on record previously held this callsign.