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

KC7SMR callsign genealogy

Currently held by CORBETT, J RYAN

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 KC7SMR's current licensee, walking backwards.

  1. KC1SARcancelled· T
    Constantine, NicholasWAgranted 2013-09-13cancelled 2018-09-18
  2. KB1UZJcancelled· T
    Constantine, NicholasCTgranted 2010-11-19cancelled 2013-09-13

Successor callsigns

Callsigns held now by people who previously held KC7SMR.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KC7SMR, oldest first.

  • CORBETT, J RYAN WY
    2008-01-03 → cancelled 2018-08-30
  • CONSTANTINE, NICHOLAS CO
    2018-09-18 active
← Back to KC7SMR License history →