Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0WYY callsign genealogy
Currently held by Sanders, Mark A
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 K0WYY's current licensee, walking backwards.
- Sanders, Mark AMNgranted 2008-03-17cancelled 2008-04-25
Successor callsigns
Callsigns held now by people who previously held K0WYY.
No current licensee on record previously held this callsign.