Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7RTC callsign genealogy
Currently held by Kartchner, Colleen
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 KA7RTC's current licensee, walking backwards.
- Kartchner, ColleenAZgranted 2015-06-22cancelled 2016-06-07
Successor callsigns
Callsigns held now by people who previously held KA7RTC.
No current licensee on record previously held this callsign.