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

N9TTM callsign genealogy

Currently held by Nightenhelser, Holland

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 N9TTM's current licensee, walking backwards.

  1. KE9DFZcancelled· G
    Nightenhelser, HollandINgranted 2024-10-17cancelled 2025-06-10
  2. KE9BOLcancelled· G
    Nightenhelser, HollandINgranted 2024-10-17cancelled 2025-05-05

Successor callsigns

Callsigns held now by people who previously held N9TTM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9TTM, oldest first.

  • RUMBLEY, TERRY E IN
    1993-06-01 → cancelled 2005-06-02
  • Mock, Sharon L IN
    2010-04-20 → cancelled 2022-04-21
  • Nightenhelser, Holland IN
    2025-06-10 active