uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KF5RDJ callsign genealogy

Currently held by LACEY, MARK E

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 KF5RDJ's current licensee, walking backwards.

  1. KG5YJXcancelled· T
    JENKINS, ROBIN DTXgranted 2018-02-21cancelled 2018-09-08

Successor callsigns

Callsigns held now by people who previously held KF5RDJ.

  1. WA5YQNcancelled· E
    LACEY, MARK ELAgranted 2012-08-16cancelled 2013-11-09

All historical holders

Every license row we've seen with the callsign KF5RDJ, oldest first.

  • LACEY, MARK E LA
    2012-07-16 → cancelled 2012-08-16
  • JENKINS, ROBIN D TX
    2018-09-08 active
← Back to KF5RDJ License history →