Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX9ROB callsign genealogy
Currently held by Black, Robert E
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 KX9ROB's current licensee, walking backwards.
- Black, Robert ECAgranted 2017-01-31cancelled 2017-02-22
Successor callsigns
Callsigns held now by people who previously held KX9ROB.
No current licensee on record previously held this callsign.