Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA7RF callsign genealogy
Currently held by Zundel, Matthew J
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 NA7RF's current licensee, walking backwards.
- Zundel, Matthew JUTgranted 2009-11-11cancelled 2016-07-06
Successor callsigns
Callsigns held now by people who previously held NA7RF.
- PARKER, JACK CMNgranted 2017-05-02cancelled 2018-11-24
All historical holders
Every license row we've seen with the callsign NA7RF, oldest first.
- Parker, Jack C NV2006-06-13 → cancelled 2007-06-26
- Zundel, Matthew J UT2026-04-28 active