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

K2UX callsign genealogy

Currently held by Cahill, Michael 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 K2UX's current licensee, walking backwards.

  1. AB3WQcancelled· E
    Cahill, Michael JPAgranted 2009-11-24cancelled 2016-06-01
  2. KB3EMYcancelled· E
    Cahill, Michael JPAgranted 2009-11-24cancelled 2015-02-05

Successor callsigns

Callsigns held now by people who previously held K2UX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K2UX, oldest first.

  • EGLES, JOSEPH R NJ
    2004-05-12 → cancelled 2016-05-13
  • Cahill, Michael J NY
    2026-04-07 active