Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6GXU callsign genealogy
Currently held by MILBERGER, SHEILA A
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 K6GXU's current licensee, walking backwards.
- MILBERGER, SHEILA ACAgranted 2018-10-18cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held K6GXU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6GXU, oldest first.
- MILBERGER, DONALD J CA2004-01-02 → cancelled 2016-03-30
- MILBERGER, SHEILA A CA2018-11-06 active