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

K6AI callsign genealogy

Currently held by Uppal, Sanjay

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 K6AI's current licensee, walking backwards.

  1. AI6YScancelled· E
    Uppal, SanjayCAgranted 2017-08-09cancelled 2017-09-06

Successor callsigns

Callsigns held now by people who previously held K6AI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6AI, oldest first.

  • NICHOL, DAVID G CA
    2006-10-26 → cancelled 2015-08-17
  • Uppal, Sanjay CA
    2017-09-06 active