Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9LGZ callsign genealogy
Currently held by VAN CLEAVE, MARVIN E
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 N9LGZ's current licensee, walking backwards.
- SHERIDAN, DAVID PSCgranted 2015-02-17cancelled 2015-03-10
Successor callsigns
Callsigns held now by people who previously held N9LGZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9LGZ, oldest first.
- VAN CLEAVE, MARVIN E WI2001-03-24 → cancelled 2013-05-15
- SHERIDAN, DAVID P SC2015-03-10 active