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

W4BMC callsign genealogy

Currently held by SINCLAIR JR, CLIFFORD M

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 W4BMC's current licensee, walking backwards.

  1. KK4MPJcancelled· T
    LITTELL, FREDERICK LTNgranted 2011-04-08cancelled 2016-11-01
  2. N5NAScancelled· T
    LITTELL, FREDERICK LFLgranted 2011-04-08cancelled 2012-11-14
  3. N7EDQcancelled· T
    LITTELL, FRED LTXgranted 2003-10-30cancelled 2011-04-08
  4. KA7KXT
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W4BMC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4BMC, oldest first.

  • SINCLAIR JR, CLIFFORD M AL
    2004-06-16 → cancelled 2016-08-31
  • LITTELL, FREDERICK L TX
    2016-11-01 active
← Back to W4BMC License history →