Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7OEM callsign genealogy
Currently held by Pima County OEM Communications
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 KK7OEM's current licensee, walking backwards.
- KG7RYTcancelledPima County OEM CommunicationsAZgranted 2015-03-16cancelled 2015-04-21
Successor callsigns
Callsigns held now by people who previously held KK7OEM.
- N7OEMactivePima County OEM CommunicationsAZgranted 2017-04-25