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

N6MLO callsign genealogy

Currently held by Menlo School ARC

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 N6MLO's current licensee, walking backwards.

  1. KI6HPKcancelled
    Menlo School ARCCAgranted 2007-01-29cancelled 2014-09-13

Successor callsigns

Callsigns held now by people who previously held N6MLO.

  1. NC6Yexpired· E
    BEALS, MELVIN LCAgranted 2007-07-03cancelled 2019-07-04

All historical holders

Every license row we've seen with the callsign N6MLO, oldest first.

  • BEALS, MELVIN L CA
    2007-04-24 → cancelled 2007-07-03
  • Menlo School ARC CA
    2024-09-20 active