Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4DNS callsign genealogy
Currently held by CLARK JR, WILLIAM D
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 KA4DNS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KA4DNS.
- CLARK JR, WILLIAM DGAgranted 2019-05-21