Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1DNR callsign genealogy
Currently held by Shugar, Sean M
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 N1DNR's current licensee, walking backwards.
- Shugar, Sean MCAgranted 2015-12-11cancelled 2016-01-08
Successor callsigns
Callsigns held now by people who previously held N1DNR.
No current licensee on record previously held this callsign.