Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0CYB callsign genealogy
Currently held by Presgraves, Samuel M
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 W0CYB's current licensee, walking backwards.
- Presgraves, Samuel MVAgranted 2018-02-27cancelled 2018-03-23
Successor callsigns
Callsigns held now by people who previously held W0CYB.
- Presgraves, Samuel MWYgranted 2020-11-10