Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1OZM callsign genealogy
Currently held by MC MAHON, OLIVER B
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 N1OZM's current licensee, walking backwards.
- KA1ZPYno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N1OZM.
- Mc Mahon, Oliver BMAgranted 2002-04-13cancelled 2014-04-15