Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO0AFS callsign genealogy
Currently held by Marques, Joseph
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 KO0AFS's current licensee, walking backwards.
- Marques, JosephNYgranted 2015-10-09cancelled 2015-11-14
Successor callsigns
Callsigns held now by people who previously held KO0AFS.
- Marques, JosephNCgranted 2021-05-22