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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N7HH callsign genealogy

Currently held by SCHUMANN, RICHARD D

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 N7HH's current licensee, walking backwards.

  1. KD7YMKcancelled· E
    Olson, Douglas SORgranted 2003-10-07cancelled 2006-01-10

Successor callsigns

Callsigns held now by people who previously held N7HH.

  1. KN7SFZactive· E
    SCHUMANN, RICHARD DORgranted 2023-11-15

All historical holders

Every license row we've seen with the callsign N7HH, oldest first.

  • SCHUMANN, RICHARD D OR
    1996-08-28 → cancelled 2003-12-16
  • Olson, Douglas S OR
    2025-11-21 active