Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6CPA callsign genealogy
Currently held by Nielsen, Martin T
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 N6CPA's current licensee, walking backwards.
- Jacobs, SamanthaCAgranted 2025-06-19cancelled 2025-07-08
Successor callsigns
Callsigns held now by people who previously held N6CPA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6CPA, oldest first.
- Nielsen, Martin T CA2010-01-09 → cancelled 2022-01-11
- Jacobs, Samantha CA2025-07-08 active