Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4YJJ callsign genealogy
Currently held by PARKER, BRANDON S
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 KJ4YJJ's current licensee, walking backwards.
- PARKER, BRANDON SSCgranted 2007-03-05cancelled 2010-09-15
Successor callsigns
Callsigns held now by people who previously held KJ4YJJ.
- PARKER, BRANDON STXgranted 2021-03-16cancelled 2022-07-23