Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NG2G callsign genealogy
Currently held by CHALLENDER, MARK E
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 NG2G's current licensee, walking backwards.
- CHALLENDER, MARK EWAgranted 2007-10-30cancelled 2011-05-06
Successor callsigns
Callsigns held now by people who previously held NG2G.
- FRIE, DOUGLAS RNCgranted 2017-07-18
All historical holders
Every license row we've seen with the callsign NG2G, oldest first.
- CHALLENDER, MARK E WA2021-02-09 active
- —— → cancelled 1997-10-15