Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7ASA callsign genealogy
Currently held by CARVALHO, JOHN R
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 KD7ASA's current licensee, walking backwards.
- Vincent, Gary BIDgranted 2014-03-20cancelled 2017-07-25
Successor callsigns
Callsigns held now by people who previously held KD7ASA.
- CARVALHO, JOHN RUTgranted 1998-02-26cancelled 2010-02-27
All historical holders
Every license row we've seen with the callsign KD7ASA, oldest first.
- CARVALHO, JOHN R UT1998-02-26 → cancelled 2001-09-05
- Vincent, Gary B ID2017-07-25 active