Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3MPB callsign genealogy
Currently held by Rager, Robert J
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 K3MPB's current licensee, walking backwards.
- Rager, Robert JPAgranted 2023-04-18cancelled 2023-05-06
Successor callsigns
Callsigns held now by people who previously held K3MPB.
No current licensee on record previously held this callsign.