Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4YOW callsign genealogy
Currently held by Yow, Christopher
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 K4YOW's current licensee, walking backwards.
- Yow, Christopher DFLgranted 2015-02-05cancelled 2015-02-27
Successor callsigns
Callsigns held now by people who previously held K4YOW.
No current licensee on record previously held this callsign.