Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6MHB callsign genealogy
Currently held by Bower, Mark H
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 KB6MHB's current licensee, walking backwards.
- Bower, Mark HCAgranted 2017-08-08cancelled 2017-09-06
Successor callsigns
Callsigns held now by people who previously held KB6MHB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6MHB, oldest first.
- STARK, EDMUND A CA1997-05-21 → cancelled 2009-05-22
- Bower, Mark H CA2017-09-06 active