Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR1STJ callsign genealogy
Currently held by Little, Jeffrey 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 KR1STJ's current licensee, walking backwards.
- Little, Jeffrey STXgranted 2020-09-30cancelled 2020-10-23
Successor callsigns
Callsigns held now by people who previously held KR1STJ.
No current licensee on record previously held this callsign.