Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MEM callsign genealogy
Currently held by LINSENBIGLER, MARTIN R
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 N7MEM's current licensee, walking backwards.
- MORTENSEN, MATTHEW EUTgranted 2013-12-03cancelled 2013-12-24
Successor callsigns
Callsigns held now by people who previously held N7MEM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7MEM, oldest first.
- LINSENBIGLER, MARTIN R AZ1989-01-24 → cancelled 2001-01-25
- MORTENSEN, MATTHEW E UT2024-08-30 active