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

N6TTF callsign genealogy

Currently held by CRUSER, EARL B

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 N6TTF's current licensee, walking backwards.

  1. KK6BEFcancelled· G
    TRIBULSKI, JEFFREY PCAgranted 2003-06-12cancelled 2013-03-09
  2. KD6YWIcancelled· G
    TRIBULSKI, JEFFREY PCAgranted 2003-06-12cancelled 2012-12-05

Successor callsigns

Callsigns held now by people who previously held N6TTF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N6TTF, oldest first.

  • CRUSER, EARL B CA
    1998-11-23 → cancelled 2010-11-24
  • TRIBULSKI, JEFFREY P CA
    2023-03-07 active