Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4DLS callsign genealogy
Currently held by SHIPTON SR, RALPH V
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 N4DLS's current licensee, walking backwards.
- Smith, DougNJgranted 2014-07-29cancelled 2020-07-03
Successor callsigns
Callsigns held now by people who previously held N4DLS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4DLS, oldest first.
- SHIPTON SR, RALPH V NC2007-11-30 → cancelled 2020-02-26
- Smith, Doug NJ2020-07-03 active