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

W7LC callsign genealogy

Currently held by E M C SPARKGAP SOCIETY

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 W7LC's current licensee, walking backwards.

  1. KD7MTactive· E
    WITTNAM, CHARLES AMTgranted 2023-06-23
  2. KD7HUcancelled· E
    WITTNAM, CHARLES AMTgranted 2018-08-08cancelled 2023-06-23

Successor callsigns

Callsigns held now by people who previously held W7LC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7LC, oldest first.

  • E M C SPARKGAP SOCIETY MT
    2005-10-11 → cancelled 2017-11-30
  • SCOTT, WILLIAM F ID
    2017-12-19 active