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

KA1YTS callsign genealogy

Currently held by FRANKFORD, MARK A

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 KA1YTS's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KA1YTS.

  1. N3BRTactive· A
    FRANKFORD, MARK AMDgranted 2020-02-08