Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7ZMU callsign genealogy
Currently held by DEL RIO, KRISTINE E
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 KF7ZMU'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 KF7ZMU.
- DEL RIO, KRISTINE EAZgranted 2012-11-16cancelled 2013-04-15