uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KH7C callsign genealogy

Currently held by SCHWEIGERT, MERVYN D

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 KH7C's current licensee, walking backwards.

  1. WH6AAcancelled· E
    Aronoff, D BartHIgranted 2003-09-20cancelled 2012-08-24
  2. NH7RUcancelled· T
    ARONOFF, D BARTHIgranted 2003-08-21cancelled 2003-09-20

Successor callsigns

Callsigns held now by people who previously held KH7C.

  1. K9FDactive· E
    SCHWEIGERT, MERVYN DWIgranted 2020-08-24

All historical holders

Every license row we've seen with the callsign KH7C, oldest first.

  • OAHU CONTEST CLUB HI
    1996-11-04 → cancelled 2008-11-05
  • SCHWEIGERT, MERVYN D HI
    2008-11-25 → cancelled 2010-08-03
  • Aronoff, D Bart HI
    2022-12-02 active