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

WR7F callsign genealogy

Currently held by FELDMAN, NANCY L

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 WR7F's current licensee, walking backwards.

  1. K7NZEcancelled· E
    Frederick, RyanWAgranted 2019-10-19cancelled 2022-07-19
  2. KD0JUMcancelled· G
    Frederick, Ryan MCOgranted 2001-08-02cancelled 2010-01-16
  3. KD7NZEcancelled· G
    Frederick, Ryan MCOgranted 2001-08-02cancelled 2009-12-29

Successor callsigns

Callsigns held now by people who previously held WR7F.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WR7F, oldest first.

  • FELDMAN, NANCY L CO
    2010-06-30 → cancelled 2022-07-01
  • Frederick, Ryan CO
    2022-07-19 active