Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0SN callsign genealogy
Currently held by Smith, Richard R
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 AD0SN's current licensee, walking backwards.
- Smith, Richard RMNgranted 2014-12-19cancelled 2016-02-18
Successor callsigns
Callsigns held now by people who previously held AD0SN.
No current licensee on record previously held this callsign.