Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6MHZ callsign genealogy
Currently held by HEWITT, ROBERT D
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 KB6MHZ's current licensee, walking backwards.
- Hewitt, Robert DCAgranted 2006-11-20cancelled 2006-12-09
Successor callsigns
Callsigns held now by people who previously held KB6MHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6MHZ, oldest first.
- HEWITT, ROBERT D CA1990-08-28 → cancelled 2002-08-29
- Hewitt, Robert D CA2016-10-12 active