Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7MOH callsign genealogy
Currently held by HARRIS, MARK O
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 W7MOH's current licensee, walking backwards.
- HARRIS, MARK OWYgranted 2008-02-05cancelled 2011-08-05
Successor callsigns
Callsigns held now by people who previously held W7MOH.
No current licensee on record previously held this callsign.