Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1ORB callsign genealogy
Currently held by NOBLE, MARK D
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 KB1ORB's current licensee, walking backwards.
- NOBLE, MARK DCTgranted 2007-03-13cancelled 2007-03-21
Successor callsigns
Callsigns held now by people who previously held KB1ORB.
No current licensee on record previously held this callsign.