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

KM4WW callsign genealogy

Currently held by Burnham, Leonard R

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 KM4WW's current licensee, walking backwards.

  1. KM4TPNcancelled· E
    Burnham, Leonard RGAgranted 2016-04-29cancelled 2018-02-03

Successor callsigns

Callsigns held now by people who previously held KM4WW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KM4WW, oldest first.

  • KING, GEORGE R VA
    1989-10-17 → cancelled 2001-10-18
  • Burnham, Leonard R GA
    2018-02-03 active