Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MDR callsign genealogy
Currently held by Robinson, Mark D
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 N7MDR's current licensee, walking backwards.
- Robinson, Mark DNVgranted 2012-04-26cancelled 2013-01-01
Successor callsigns
Callsigns held now by people who previously held N7MDR.
- WALKER, B LYNNUTgranted 2009-10-22cancelled 2018-12-10