Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5MBH callsign genealogy
Currently held by HARMUTH, JAMES E
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 W5MBH's current licensee, walking backwards.
- HARMUTH, JAMES ETXgranted 2012-12-11cancelled 2014-01-07
Successor callsigns
Callsigns held now by people who previously held W5MBH.
No current licensee on record previously held this callsign.