Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO3S callsign genealogy
Currently held by SCAVELLO, PETER J
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 KO3S's current licensee, walking backwards.
- Demitz, Sherwood HMDgranted 2012-08-20cancelled 2012-10-20
Successor callsigns
Callsigns held now by people who previously held KO3S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO3S, oldest first.
- SCAVELLO, PETER J PA1998-05-11 → cancelled 2010-05-12
- Demitz, Sherwood H MD2022-09-09 active