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

K2TA callsign genealogy

Currently held by ALTHOFF, JOHN C

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 K2TA's current licensee, walking backwards.

  1. KC0ZUKcancelled· E
    ALTHOFF, JOHN CMOgranted 2007-03-07cancelled 2009-09-29

Successor callsigns

Callsigns held now by people who previously held K2TA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K2TA, oldest first.

  • ALTHOFF, THOMAS J NY
    2001-08-22 → cancelled 2007-10-16
  • ALTHOFF, JOHN C MO
    2019-07-04 active