Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BLK callsign genealogy
Currently held by Black, David G
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 N4BLK's current licensee, walking backwards.
- Black, David GVAgranted 2010-11-23cancelled 2011-03-22
Successor callsigns
Callsigns held now by people who previously held N4BLK.
No current licensee on record previously held this callsign.