Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NF9D callsign genealogy
Currently held by Muhr, William C
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 NF9D's current licensee, walking backwards.
- Muhr, William CILgranted 2001-01-23cancelled 2007-10-10
Successor callsigns
Callsigns held now by people who previously held NF9D.
- LOTTES JR, ADAM GORgranted 1996-11-04cancelled 2006-03-31