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

N6ABM callsign genealogy

Currently held by MILLER, RANDOLPH C

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 N6ABM's current licensee, walking backwards.

  1. N0ABMcancelled· A
    MILLER, RANDOLPH CMNgranted 1998-06-18cancelled 2002-03-30

Successor callsigns

Callsigns held now by people who previously held N6ABM.

  1. N0ABMcancelled· A
    MILLER, RANDOLPH CMNgranted 1998-06-18cancelled 2002-03-30

All historical holders

Every license row we've seen with the callsign N6ABM, oldest first.

  • MILLER, RANDOLPH C AZ
    2022-03-16 active
  • MILLER, RANDOLPH C
    → cancelled 1998-06-18