uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N1COO callsign genealogy

Currently held by GIRASOLI, NICOLO Q

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 N1COO's current licensee, walking backwards.

  1. KC1OIRcancelled· T
    GIRASOLI, NICOLO QCTgranted 2020-12-28cancelled 2021-01-15

Successor callsigns

Callsigns held now by people who previously held N1COO.

No current licensee on record previously held this callsign.