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

N7OS callsign genealogy

Currently held by DIXON, NATHANIEL P

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 N7OS's current licensee, walking backwards.

  1. KD7PPQcancelled
    Micro HAMSWAgranted 2002-01-23cancelled 2003-05-13

Successor callsigns

Callsigns held now by people who previously held N7OS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N7OS, oldest first.

  • DIXON, NATHANIEL P WA
    1997-02-12 → cancelled 2001-05-20
  • Micro HAMS WA
    2024-07-11 active