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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WB4YFT callsign genealogy

Currently held by ROBBINS, MICHAEL 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 WB4YFT's current licensee, walking backwards.

  1. N4NNCcancelled· G
    ROBBINS, MICHAEL TVAgranted 2000-12-30cancelled 2005-04-02
  2. N2GNScancelled· G
    ROBBINS, MICHAEL TVAgranted 1999-11-13cancelled 2000-12-30
  3. KG4EOCactive
    EOC AMATEUR RADIO EMERGENCY SERVICESFLgranted 2026-06-09
  4. KI4MFJcancelled
    EOC AMATEUR RADIO DISASTER SERVICESFLgranted 2005-10-18cancelled 2006-01-10

Successor callsigns

Callsigns held now by people who previously held WB4YFT.

  1. W4YFTexpired· G
    DUNKLE, CHARLES EFLgranted 2000-08-08cancelled 2012-08-09

All historical holders

Every license row we've seen with the callsign WB4YFT, oldest first.

  • DUNKLE, CHARLES E FL
    1997-09-15 → cancelled 2000-08-08
  • ROBBINS, MICHAEL T VA
    2005-04-02 → cancelled 2017-04-04
← Back to WB4YFT License history →