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

KL7S callsign genealogy

Currently held by ALLEN, 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 KL7S's current licensee, walking backwards.

  1. KF7PSScancelled· E
    FOLSOM, JONATHON GAKgranted 2011-05-13cancelled 2011-10-07

Successor callsigns

Callsigns held now by people who previously held KL7S.

  1. K6MWcancelled· E
    WOOD, MICHAEL SWAgranted 2009-05-09cancelled 2011-11-22

All historical holders

Every license row we've seen with the callsign KL7S, oldest first.

  • ALLEN, JOHN C WA
    1995-03-30 → cancelled 2007-03-31
  • WOOD, MICHAEL S AK
    2007-04-20 → cancelled 2009-05-09
  • FOLSOM, JONATHON G OR
    2021-10-01 active
← Back to KL7S License history →