Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0RJH callsign genealogy
Currently held by HALSTEAD, RYAN J
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 K0RJH's current licensee, walking backwards.
- Halstead, Ryan JMOgranted 2008-02-07cancelled 2008-03-08
Successor callsigns
Callsigns held now by people who previously held K0RJH.
No current licensee on record previously held this callsign.