Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6MKH callsign genealogy
Currently held by POWELL, ROBERT P
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 W6MKH's current licensee, walking backwards.
- Herron, Michael KCAgranted 2015-12-07cancelled 2016-02-19
Successor callsigns
Callsigns held now by people who previously held W6MKH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MKH, oldest first.
- POWELL, ROBERT P UT2003-05-12 → cancelled 2015-08-11
- Herron, Michael K CA2016-02-19 active