Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA3S callsign genealogy
Currently held by Maus, John C
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 NA3S's current licensee, walking backwards.
- Maus, John CCOgranted 2017-12-06cancelled 2018-03-16
Successor callsigns
Callsigns held now by people who previously held NA3S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NA3S, oldest first.
- LINDOW, FREDERICK G PA2005-11-10 → cancelled 2018-02-08
- Maus, John C CO2018-03-16 active