Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NG4O callsign genealogy
Currently held by GLANCE, JOHNNY H
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 NG4O's current licensee, walking backwards.
- GLANCE, JOHNNY HNCgranted 2004-04-15cancelled 2011-04-22
Successor callsigns
Callsigns held now by people who previously held NG4O.
- MOUNT, MICHAEL HAZgranted 2019-01-31
All historical holders
Every license row we've seen with the callsign NG4O, oldest first.
- MOUNT, MICHAEL H AZ2000-11-03 → cancelled 2009-03-31
- GLANCE, JOHNNY H NC2021-06-07 active