Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7PPD callsign genealogy
Currently held by CHRISTOFFERSEN, JOHN D
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 N7PPD's current licensee, walking backwards.
- CHRISTOFFERSEN, JOHN DUTgranted 2021-02-22cancelled 2023-02-14
Successor callsigns
Callsigns held now by people who previously held N7PPD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7PPD, oldest first.
- SMITH, DAVID F UT1990-09-18 → cancelled 2002-09-19
- CHRISTOFFERSEN, JOHN D UT2023-02-14 active