Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0RFH callsign genealogy
Currently held by HELLSTERN JR, ROBERT F
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 K0RFH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K0RFH.
No current licensee on record previously held this callsign.