uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N7OEM callsign genealogy

Currently held by Tucson Amateur Radio Assoc.

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 N7OEM's current licensee, walking backwards.

  1. KK7OEMcancelled
    Pima County OEM CommunicationsAZgranted 2015-04-21cancelled 2017-04-25
  2. KG7RYTcancelled
    Pima County OEM CommunicationsAZgranted 2015-03-16cancelled 2015-04-21

Successor callsigns

Callsigns held now by people who previously held N7OEM.

  1. KG7OPexpired· E
    LLAPITAN JR, DAVID AWAgranted 2011-03-31cancelled 2023-04-04

All historical holders

Every license row we've seen with the callsign N7OEM, oldest first.

  • Tucson Amateur Radio Assoc. AZ
    2005-03-02 → cancelled 2017-03-03
  • Pima County OEM Communications AZ
    2017-04-25 active
← Back to N7OEM License history →