Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9HRP callsign genealogy
Currently held by Plumb, Heath 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 K9HRP's current licensee, walking backwards.
- Plumb R, HeathMDgranted 2015-07-29cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held K9HRP.
No current licensee on record previously held this callsign.