Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0KSI callsign genealogy
Currently held by Crawford, David 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 K0KSI's current licensee, walking backwards.
- Crawford, David LKSgranted 2003-07-30cancelled 2006-10-06
Successor callsigns
Callsigns held now by people who previously held K0KSI.
No current licensee on record previously held this callsign.