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

KM7S callsign genealogy

Currently held by PFEIFFER, FRANCIS T

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 KM7S's current licensee, walking backwards.

  1. AF6Tactive· E
    KENDRICK, JOHN DTXgranted 2020-02-19
  2. N3BMQcancelled· E
    KENDRICK 963, JOHN DCAgranted 2016-01-14cancelled 2020-02-19

Successor callsigns

Callsigns held now by people who previously held KM7S.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KM7S, oldest first.

  • PFEIFFER, FRANCIS T WY
    1993-11-30 → cancelled 1997-06-07
  • McLennan, Sharon A OR
    2006-01-10 → cancelled 2018-01-11
  • SEXTON, MICHAEL J CA
    2018-01-30 active
← Back to KM7S License history →