Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1OST callsign genealogy
Currently held by Maresca, Jocelyn A
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 K1OST's current licensee, walking backwards.
- Maresca, Joseph AKYgranted 2012-11-13cancelled 2018-05-15
Successor callsigns
Callsigns held now by people who previously held K1OST.
No current licensee on record previously held this callsign.