Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6YS callsign genealogy
Currently held by Clark, Spencer L
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 AD6YS's current licensee, walking backwards.
- Clark, Spencer LCAgranted 2000-07-22cancelled 2001-07-20
Successor callsigns
Callsigns held now by people who previously held AD6YS.
No current licensee on record previously held this callsign.