Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RDZ callsign genealogy
Currently held by Earl, Colleen M
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 K7RDZ's current licensee, walking backwards.
- Earl, Colleen MAZgranted 2013-05-16cancelled 2013-06-11
Successor callsigns
Callsigns held now by people who previously held K7RDZ.
No current licensee on record previously held this callsign.