Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6QH callsign genealogy
Currently held by SABO, JOSEPH F
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 K6QH's current licensee, walking backwards.
- Coulter, David MCAgranted 1994-07-15cancelled 2001-06-08
Successor callsigns
Callsigns held now by people who previously held K6QH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6QH, oldest first.
- SABO, JOSEPH F CA1989-05-09 → cancelled 2001-05-10
- Coulter, David M CA2021-06-07 active