Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1KSD callsign genealogy
Currently held by DUNN, ROBERT C
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 W1KSD's current licensee, walking backwards.
- Ferry, James PUTgranted 2018-01-30cancelled 2018-02-17
Successor callsigns
Callsigns held now by people who previously held W1KSD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1KSD, oldest first.
- DUNN, ROBERT C FL1996-06-06 → cancelled 2008-06-07
- Ferry, James P UT2018-02-17 active