Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1DAD callsign genealogy
Currently held by Maggio, Jonathan 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 K1DAD's current licensee, walking backwards.
- MAGGIO, JONATHAN CCTgranted 2017-11-17cancelled 2020-04-17
Successor callsigns
Callsigns held now by people who previously held K1DAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1DAD, oldest first.
- SAWYER, ROYCE N MA2007-12-21 → cancelled 2020-03-04
- Maggio, Jonathan C CT2020-04-17 active