Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0SY callsign genealogy
Currently held by TODD, JOYCE 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 AD0SY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD0SY.
- TODD, JOYCE MKSgranted 2018-05-30cancelled 2020-09-04