Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7SPD callsign genealogy
Currently held by SELLON, CLARENCE W
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 N7SPD's current licensee, walking backwards.
- Jameson, Joe ACAgranted 2011-06-07cancelled 2014-02-15
Successor callsigns
Callsigns held now by people who previously held N7SPD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7SPD, oldest first.
- SELLON, CLARENCE W WA1991-07-02 → cancelled 2003-07-03
- Jameson, Joe A CA2014-02-15 → cancelled 2026-03-07