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

KT0AM callsign genealogy

Currently held by ALLSOP, C MARK

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 KT0AM's current licensee, walking backwards.

  1. KE5FJcancelled· A
    ALLSOP, C MARKCOgranted 1996-03-25cancelled 2006-04-07

Successor callsigns

Callsigns held now by people who previously held KT0AM.

No current licensee on record previously held this callsign.