Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4J callsign genealogy
Currently held by BREAKSTONE, PHILMORE
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 KR4J's current licensee, walking backwards.
- POWELL, MARC ANCgranted 2002-07-30cancelled 2010-10-08
Successor callsigns
Callsigns held now by people who previously held KR4J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR4J, oldest first.
- BREAKSTONE, PHILMORE VA2007-07-19 → cancelled 2008-07-08
- POWELL, MARC A NC2020-07-11 active