Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MPB callsign genealogy
Currently held by Most Precious Blood School
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 K9MPB's current licensee, walking backwards.
- KC9SUAcancelledMost Precious Blood SchoolINgranted 2010-07-08cancelled 2010-08-20
Successor callsigns
Callsigns held now by people who previously held K9MPB.
No current licensee on record previously held this callsign.