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

K4MSC callsign genealogy

Currently held by CAMP, MARK S

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 K4MSC's current licensee, walking backwards.

  1. K7MSCactive· T
    Stiles, MarettaORgranted 2019-12-06
  2. KK6FZNcancelled· T
    Stiles, MarettaORgranted 2013-08-02cancelled 2019-12-06

Successor callsigns

Callsigns held now by people who previously held K4MSC.

  1. K4COPexpired· A
    CAMP, MARK SGAgranted 2008-03-01cancelled 2019-11-14

All historical holders

Every license row we've seen with the callsign K4MSC, oldest first.

  • Comstock, Mitchell S FL
    2016-11-04 active
  • CAMP, MARK S
    — → cancelled 1997-11-13
← Back to K4MSC License history →