Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DAZ callsign genealogy
Currently held by Mangrum, Derek
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 K7DAZ's current licensee, walking backwards.
- Mangrum, DerekAZgranted 2015-06-22cancelled 2015-08-18
Successor callsigns
Callsigns held now by people who previously held K7DAZ.
No current licensee on record previously held this callsign.