Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4GUF callsign genealogy
Currently held by Chewning, Tim
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 KM4GUF's current licensee, walking backwards.
- Chewning, Timohty DVAgranted 2014-03-27cancelled 2014-12-24
Successor callsigns
Callsigns held now by people who previously held KM4GUF.
- Chewning, TimVAgranted 2016-05-17