Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7JMR callsign genealogy
Currently held by Rosenkranz, John 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 N7JMR's current licensee, walking backwards.
- Rosenkranz, John MWAgranted 2013-04-15cancelled 2018-02-27
Successor callsigns
Callsigns held now by people who previously held N7JMR.
No current licensee on record previously held this callsign.