Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH6AV callsign genealogy
Currently held by TREEWATER, GUSTAVE L
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 KH6AV's current licensee, walking backwards.
- Al-Husseini, MahdiGAgranted 2020-02-03cancelled 2020-07-14
Successor callsigns
Callsigns held now by people who previously held KH6AV.
- TREEWATER, GUSTAVE LHIgranted 2022-03-16
All historical holders
Every license row we've seen with the callsign KH6AV, oldest first.
- TREEWATER, GUSTAVE L HI2012-01-07 → cancelled 2012-05-22
- Al-Husseini, Mahdi HI2020-07-14 active