Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO3W callsign genealogy
Currently held by SAVADKIN, LAWRENCE
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 KO3W's current licensee, walking backwards.
- KB3SFIcancelledStorehouse Radio ClubMDgranted 2009-01-21cancelled 2009-02-18
Successor callsigns
Callsigns held now by people who previously held KO3W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO3W, oldest first.
- SAVADKIN, LAWRENCE CA1995-09-28 → cancelled 2007-09-29
- Storehouse Radio Club MD2019-02-05 active