Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1USA callsign genealogy
Currently held by VALLEY EMERGENCY COMMUNICATIONS ASSN
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 N1USA's current licensee, walking backwards.
- KB0SANcancelledVALLEY EMERGENCY COMMUNICATIONS ASSNILgranted 2015-01-26cancelled 2019-04-09
Successor callsigns
Callsigns held now by people who previously held N1USA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1USA, oldest first.
- Courtney, Edward T MA2007-03-20 → cancelled 2019-03-21
- VALLEY EMERGENCY COMMUNICATIONS ASSN IL2019-04-09 active