Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7NPG callsign genealogy
Currently held by GEIST, DOUGLAS 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 N7NPG's current licensee, walking backwards.
- RIDDLE, RICHARD SUTgranted 2015-12-01cancelled 2016-05-13
Successor callsigns
Callsigns held now by people who previously held N7NPG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7NPG, oldest first.
- GEIST, DOUGLAS J AZ1989-09-26 → cancelled 2001-09-27
- RIDDLE, RICHARD S UT2026-03-12 active