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

K6OT callsign genealogy

Currently held by Babb, Paul J

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 K6OT's current licensee, walking backwards.

  1. AF6NZcancelled· E
    Babb, Paul JCAgranted 2009-02-10cancelled 2012-04-06

Successor callsigns

Callsigns held now by people who previously held K6OT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6OT, oldest first.

  • WISEMAN, WESLEY J CA
    1988-02-23 → cancelled 2000-02-24
  • VICKERS, THOMAS E NY
    2000-03-18 → cancelled 2012-03-20
  • Babb, Paul J CA
    2022-01-21 active