Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5NU callsign genealogy
Currently held by SMITH, STEPHEN K
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 AD5NU's current licensee, walking backwards.
- SMITH, STEPHEN KMSgranted 2023-03-31
Successor callsigns
Callsigns held now by people who previously held AD5NU.
- SMITH, STEPHEN KMSgranted 2023-03-31