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

KA5TWD callsign genealogy

Currently held by SCHROEDER, CRISTOPHER R

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 KA5TWD's current licensee, walking backwards.

  1. NT5Nactive· E
    Wilhelm III, Russell MTXgranted 2020-08-29
  2. KI5GKZcancelled· E
    Wilhelm III, Russell MTXgranted 2019-09-16cancelled 2020-08-29

Successor callsigns

Callsigns held now by people who previously held KA5TWD.

  1. NT5Ncancelled· E
    SCHROEDER, CRISTOPHER RKSgranted 2017-03-17cancelled 2018-08-10

All historical holders

Every license row we've seen with the callsign KA5TWD, oldest first.

  • SCHROEDER, CRISTOPHER R OK
    1989-08-29 → cancelled 2001-08-30
  • SCHROEDER, CRISTOPHER R KS
    2015-05-05 → cancelled 2017-03-17
  • SCHROEDER, CRISTOPHER R KS
    2018-08-10 active
← Back to KA5TWD License history →