Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5DS callsign genealogy
Currently held by STEPAN, THOMAS
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 AD5DS's current licensee, walking backwards.
- STEPAN, THOMASNMgranted 1993-02-16cancelled 2001-04-06
- N4SVYno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AD5DS.
No current licensee on record previously held this callsign.