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

W4KNI callsign genealogy

Currently held by Donelan, James A

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 W4KNI's current licensee, walking backwards.

  1. WD4KNIcancelled· E
    Donelan, James ASCgranted 2012-12-18cancelled 2015-05-05
  2. KK4MRHcancelled· G
    Donelan, James ASCgranted 2012-11-16cancelled 2012-12-18

Successor callsigns

Callsigns held now by people who previously held W4KNI.

  1. KD4IIcancelled· E
    FOLK JR, JESSE CSCgranted 2007-03-27cancelled 2012-06-19

All historical holders

Every license row we've seen with the callsign W4KNI, oldest first.

  • FOLK JR, JESSE C SC
    1999-04-09 → cancelled 2007-03-27
  • Donelan, James A SC
    2015-05-05 active
← Back to W4KNI License history →