Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH6XG callsign genealogy
Currently held by UNDERWOOD, JOHN B
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 KH6XG's current licensee, walking backwards.
- WH6AVQno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KH6XG.
- UNDERWOOD, JOHN BORgranted 2023-07-11