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

K4YPF callsign genealogy

Currently held by MC BRIDE, CLARENCE N

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 K4YPF's current licensee, walking backwards.

  1. WW4WTTcancelled· T
    Black, Margaret KFLgranted 2014-05-23cancelled 2014-07-15
  2. KK4ZRQcancelled· T
    Black, Margaret KFLgranted 2014-03-27cancelled 2014-05-23

Successor callsigns

Callsigns held now by people who previously held K4YPF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4YPF, oldest first.

  • MC BRIDE, CLARENCE N VA
    1994-05-10 → cancelled 2006-05-11
  • BLACK, MARGARET K FL
    2025-12-02 active
← Back to K4YPF License history →