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

N0MLS callsign genealogy

Currently held by SORENSEN, MARK L

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 N0MLS's current licensee, walking backwards.

  1. N0IUYcancelled· T
    SORENSEN, MARK LAZgranted 2009-03-10cancelled 2016-11-08

Successor callsigns

Callsigns held now by people who previously held N0MLS.

  1. WB8MNFcancelled· G
    CUDDIHY, PATRICK MCOgranted 2000-03-14cancelled 2000-04-07

All historical holders

Every license row we've seen with the callsign N0MLS, oldest first.

  • CUDDIHY, PATRICK M CO
    1990-09-25 → cancelled 2000-03-14
  • SORENSEN, MARK L AZ
    2016-11-08 active