Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DSA callsign genealogy
Currently held by York, Alvin C
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 K4DSA's current licensee, walking backwards.
- York, Alvin CTNgranted 2002-07-22cancelled 2003-06-28
Successor callsigns
Callsigns held now by people who previously held K4DSA.
No current licensee on record previously held this callsign.