Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO7UP callsign genealogy
Currently held by CHISHOLM, CHARLIE
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 NO7UP's current licensee, walking backwards.
- PETRILLI JR, FRANK JWAgranted 2017-07-25cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held NO7UP.
- CHISHOLM, CHARLIEWAgranted 2013-02-15cancelled 2025-02-19
All historical holders
Every license row we've seen with the callsign NO7UP, oldest first.
- CHISHOLM, CHARLIE WA2008-11-11 → cancelled 2013-02-15
- Petrilli Jr, Frank J WA2018-12-11 active