Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7CMH callsign genealogy
Currently held by HENSHAW, CALVIN 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 N7CMH's current licensee, walking backwards.
- HENSHAW, CALVIN MORgranted 1999-06-01cancelled 2000-01-25
Successor callsigns
Callsigns held now by people who previously held N7CMH.
- MC NAB, WILLIAM AAZgranted 1991-06-25cancelled 2000-08-26