Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NI7Z callsign genealogy
Currently held by MALLARD, JOSEPH L
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 NI7Z's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NI7Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NI7Z, oldest first.
- MALLARD, JOSEPH L MT2013-11-06 → cancelled 2026-03-06
- West Valley Auxiliary Communications Group MT2026-03-27 active