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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N7COS callsign genealogy

Currently held by WALLS JR, GEORGE A

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 N7COS's current licensee, walking backwards.

  1. N7NBJcancelled· T
    Stogsdill, Matthew JCOgranted 2021-05-25cancelled 2021-09-04
  2. KF0FNHcancelled· T
    Stogsdill, Matthew JCOgranted 2021-05-06cancelled 2021-05-25

Successor callsigns

Callsigns held now by people who previously held N7COS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N7COS, oldest first.

  • WALLS JR, GEORGE A AZ
    2005-03-10 → cancelled 2017-01-24
  • Stogsdill, Matthew J CO
    2021-09-04 active
← Back to N7COS License history →