Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0CJL callsign genealogy
Currently held by Scharfenberg, Matthew 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 N0CJL's current licensee, walking backwards.
- Scharfenberg, Matthew JOHgranted 2008-02-28cancelled 2008-12-30
Successor callsigns
Callsigns held now by people who previously held N0CJL.
- Scharfenberg, Matthew JOHgranted 2019-02-20