Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3HRH callsign genealogy
Currently held by SIPPLE, DOUGLAS P
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 K3HRH's current licensee, walking backwards.
- SIPPLE, DOUGLAS PPAgranted 2015-12-02cancelled 2018-02-13
Successor callsigns
Callsigns held now by people who previously held K3HRH.
No current licensee on record previously held this callsign.