Confidence: Medium · Source: FCC ULS · As of 2026-09-14
ND4SU callsign genealogy
Currently held by Long, David S
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 ND4SU's current licensee, walking backwards.
- Long, David SVAgranted 1998-09-11cancelled 2004-01-06
Successor callsigns
Callsigns held now by people who previously held ND4SU.
No current licensee on record previously held this callsign.