Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4BB callsign genealogy
Currently held by KARAN, GEORGE A
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 KJ4BB's current licensee, walking backwards.
- KARAN, GEORGE AFLgranted 2010-05-12cancelled 2015-06-13
Successor callsigns
Callsigns held now by people who previously held KJ4BB.
- KARAN, GEORGE AFLgranted 2010-05-12cancelled 2015-06-13
All historical holders
Every license row we've seen with the callsign KJ4BB, oldest first.
- KARAN, GEORGE A FL2010-05-12 → cancelled 2015-05-06
- KARAN, GEORGE A FL2015-06-13 active