Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4BLU callsign genealogy
Currently held by Murphy, Jackie L
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 KA4BLU's current licensee, walking backwards.
- Murphy, Jackie LFLgranted 2022-03-16cancelled 2022-04-05
Successor callsigns
Callsigns held now by people who previously held KA4BLU.
No current licensee on record previously held this callsign.