Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4CRJ callsign genealogy
Currently held by Jackson, Carlos 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 K4CRJ's current licensee, walking backwards.
- Jackson, Carlos RFLgranted 2017-02-16cancelled 2017-03-07
Successor callsigns
Callsigns held now by people who previously held K4CRJ.
No current licensee on record previously held this callsign.