Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0IKK callsign genealogy
Currently held by Casper, David B
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 W0IKK's current licensee, walking backwards.
- CASPER, SEAN PKSgranted 2017-11-17cancelled 2018-03-06
Successor callsigns
Callsigns held now by people who previously held W0IKK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0IKK, oldest first.
- Casper, David B TX2010-03-24 → cancelled 2016-03-16
- CASPER, SEAN P KS2018-03-06 active