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

N8MRS callsign genealogy

Currently held by HEINRICH, JOHN C

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 N8MRS's current licensee, walking backwards.

  1. KE8BBAcancelled· G
    Smith, Michael ROHgranted 2015-04-28cancelled 2017-05-05

Successor callsigns

Callsigns held now by people who previously held N8MRS.

  1. N8NWTcancelled· G
    Goltz, Michael AOHgranted 2014-01-07cancelled 2014-05-24

All historical holders

Every license row we've seen with the callsign N8MRS, oldest first.

  • HEINRICH, JOHN C OH
    2000-10-05 → cancelled 2012-10-03
  • Goltz, Michael A OH
    2012-10-23 → cancelled 2014-01-07
  • Smith, Michael R OH
    2017-05-05 active