Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4ISB callsign genealogy
Currently held by Bishop, Rick
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 KF4ISB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4ISB.
- Bishop, RickKYgranted 2006-04-08cancelled 2012-08-10