Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU0D callsign genealogy
Currently held by Johnson, Shawn W
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 KU0D's current licensee, walking backwards.
- Johnson, Shawn WMIgranted 2015-09-24cancelled 2016-06-21
Successor callsigns
Callsigns held now by people who previously held KU0D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KU0D, oldest first.
- WHITTAKER, JAMES L MN2004-03-30 → cancelled 2016-06-01
- Johnson, Shawn W MI2026-06-18 active