Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4VXR callsign genealogy
Currently held by Graybill, Jeffrey J
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 K4VXR's current licensee, walking backwards.
- Graybill, Jeffrey JTNgranted 2007-05-17cancelled 2009-05-22
Successor callsigns
Callsigns held now by people who previously held K4VXR.
- GRAYBILL, JEFFREY JTNgranted 2023-01-25