Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DSP callsign genealogy
Currently held by UPCHURCH, CLYDE 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 N7DSP's current licensee, walking backwards.
- JACKSON, ANTHONY RUTgranted 2010-04-21cancelled 2016-01-29
Successor callsigns
Callsigns held now by people who previously held N7DSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DSP, oldest first.
- UPCHURCH, CLYDE C AZ1997-03-21 → cancelled 2009-03-25
- JACKSON, ANTHONY R UT2026-02-10 active