Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RRH callsign genealogy
Currently held by Denney, Mike S
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 K9RRH's current licensee, walking backwards.
- Denney, Mike SCAgranted 2021-11-02cancelled 2022-02-05
Successor callsigns
Callsigns held now by people who previously held K9RRH.
No current licensee on record previously held this callsign.