Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NJ9D callsign genealogy
Currently held by Granholm, David L
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 NJ9D's current licensee, walking backwards.
- Granholm, David LINgranted 2008-09-04cancelled 2009-02-13
Successor callsigns
Callsigns held now by people who previously held NJ9D.
No current licensee on record previously held this callsign.