uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W3DL callsign genealogy

Currently held by LEFEVER, DOUG

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 W3DL's current licensee, walking backwards.

  1. K3QSactive· E
    Schaefer, DavidAZgranted 2026-04-07
  2. KD5ZENactive· G
    Frey, Jason MTXgranted 2018-07-07
  3. KG5YADcancelled· G
    Frey, Jason MTXgranted 2018-01-29cancelled 2018-07-07

Successor callsigns

Callsigns held now by people who previously held W3DL.

  1. AH6DLactive· E
    LUNG, HAROLD DHIgranted 2024-05-30

All historical holders

Every license row we've seen with the callsign W3DL, oldest first.

  • LUNG, HAROLD D HI
    1996-07-29 → cancelled 2004-07-16
  • LEFEVER, DOUG PA
    2026-06-09 active
← Back to W3DL License history →