Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7MGT callsign genealogy
Currently held by KOEHLER, DONALD 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 N7MGT's current licensee, walking backwards.
- WB7WHKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N7MGT.
- Koehler, Donald EAKgranted 2011-11-01cancelled 2015-06-23