Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO4OO callsign genealogy
Currently held by Simmons, Laura 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 NO4OO's current licensee, walking backwards.
- Pennington, LauraFLgranted 2007-09-12cancelled 2008-07-26
Successor callsigns
Callsigns held now by people who previously held NO4OO.
No current licensee on record previously held this callsign.