Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8RYO callsign genealogy
Currently held by MARCULEWICZ, JAMES C
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 K8RYO's current licensee, walking backwards.
- Marculewicz, James CMIgranted 2016-08-01cancelled 2016-08-19
Successor callsigns
Callsigns held now by people who previously held K8RYO.
No current licensee on record previously held this callsign.