Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0IK callsign genealogy
Currently held by EYESTONE, LAWRENCE 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 W0IK's current licensee, walking backwards.
- EYESTONE, LAWRENCE ECOgranted 2006-03-03cancelled 2010-07-16
Successor callsigns
Callsigns held now by people who previously held W0IK.
- Groom, Lawrence WUTgranted 2018-03-29
All historical holders
Every license row we've seen with the callsign W0IK, oldest first.
- DUCKWORTH, GLEN E MO1997-01-02 → cancelled 2005-08-05
- Groom, Lawrence W MN2007-08-24 → cancelled 2008-06-21
- EYESTONE, LAWRENCE E CO2020-05-07 active