Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR1BBT callsign genealogy
Currently held by SPRINGS, BENJAMIN J
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 KR1BBT's current licensee, walking backwards.
- SPRINGS, BENJAMIN JTXgranted 2017-02-21cancelled 2023-05-09
Successor callsigns
Callsigns held now by people who previously held KR1BBT.
No current licensee on record previously held this callsign.