Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BP callsign genealogy
Currently held by WALKER, JEFFREY D
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 K4BP's current licensee, walking backwards.
- WALKER, JEFFREY DTNgranted 1994-07-22cancelled 2000-08-15
Successor callsigns
Callsigns held now by people who previously held K4BP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BP, oldest first.
- MC CARTY, SIDNEY L NC1988-07-26 → cancelled 2000-07-27
- WALKER, JEFFREY D TN2020-05-20 active