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

W3FDA callsign genealogy

Currently held by KLUNK, MILLARD H

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 W3FDA's current licensee, walking backwards.

  1. W3PHSactive
    FDA Amateur Radio ClubMDgranted 2019-03-06
  2. KB3RQCcancelled
    FDA Amateur Radio ClubMDgranted 2008-09-03cancelled 2008-09-23

Successor callsigns

Callsigns held now by people who previously held W3FDA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W3FDA, oldest first.

  • KLUNK, MILLARD H PA
    1987-11-17 → cancelled 1999-11-18
  • FDA AMATEUR RADIO CLUB MD
    2019-03-06 active