Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4MRD callsign genealogy
Currently held by Denison, Mallory R
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 KK4MRD's current licensee, walking backwards.
- Denison, Mallory RVAgranted 2010-05-20cancelled 2010-06-22
Successor callsigns
Callsigns held now by people who previously held KK4MRD.
- Denison, Mallory RVAgranted 2021-06-24