Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9PRO callsign genealogy
Currently held by Provenzano, Michael A
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 KD9PRO's current licensee, walking backwards.
- Provenzano, Michael AILgranted 2016-10-21cancelled 2017-04-25
Successor callsigns
Callsigns held now by people who previously held KD9PRO.
- Provenzano, Michael AILgranted 2017-12-08