Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W4CKI callsign genealogy
Currently held by Yingst, Victor 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 W4CKI's current licensee, walking backwards.
- Elkins, Mary AALgranted 2009-08-17cancelled 2016-02-19
Successor callsigns
Callsigns held now by people who previously held W4CKI.
All historical holders
Every license row we've seen with the callsign W4CKI, oldest first.
- Yingst, Victor L IL2007-02-09 → cancelled 2010-09-21
- Elkins, Mary A AL2016-02-19 → cancelled 2024-09-17