Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RMZ callsign genealogy
Currently held by Rumsey, Jonathan A
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 K7RMZ's current licensee, walking backwards.
- Rumsey, Jonathan AWAgranted 2010-12-16cancelled 2014-06-17
Successor callsigns
Callsigns held now by people who previously held K7RMZ.
No current licensee on record previously held this callsign.