Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5MH callsign genealogy
Currently held by HENRY, MARK M
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 KB5MH's current licensee, walking backwards.
- HENRY, MARK MMSgranted 2002-09-04cancelled 2007-06-05
Successor callsigns
Callsigns held now by people who previously held KB5MH.
No current licensee on record previously held this callsign.