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

NA9R callsign genealogy

Currently held by Hays, Christopher B

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 NA9R's current licensee, walking backwards.

  1. AC9QPcancelled· E
    Shea, Adam MWIgranted 2017-05-19cancelled 2018-07-10

Successor callsigns

Callsigns held now by people who previously held NA9R.

  1. W7NKRcancelled· E
    Hays, Christopher BTXgranted 2016-06-21cancelled 2016-07-19
  2. W7RCXcancelled· E
    Hays, Christopher BTXgranted 2016-02-13cancelled 2016-03-15
  3. W9NKRcancelled· E
    Hays, Christopher BTXgranted 2014-01-31cancelled 2014-03-15

All historical holders

Every license row we've seen with the callsign NA9R, oldest first.

  • WARVEL JR, JOHN H IN
    2004-01-02 → cancelled 2011-08-10
  • Hays, Christopher B TX
    2013-08-30 → cancelled 2014-01-31
  • Hays, Christopher B TX
    2016-01-23 → cancelled 2016-02-13
  • Hays, Christopher B TX
    2016-05-27 → cancelled 2016-06-21
  • Shea, Adam M WI
    2018-07-10 active
← Back to NA9R License history →