Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NM5ZZ callsign genealogy
Currently held by SAWDERS, WILLIAM 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 NM5ZZ's current licensee, walking backwards.
- SAWDERS, WILLIAM JNMgranted 2018-03-20
Successor callsigns
Callsigns held now by people who previously held NM5ZZ.
- SAWDERS, WILLIAM JNMgranted 2018-03-20