Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MBA callsign genealogy
Currently held by Dunphy, Joseph F
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 K9MBA's current licensee, walking backwards.
- Dunphy, Joseph FNJgranted 2006-10-05cancelled 2007-05-01
Successor callsigns
Callsigns held now by people who previously held K9MBA.
No current licensee on record previously held this callsign.