Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7DA callsign genealogy
Currently held by Sundve, Chad 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 AD7DA's current licensee, walking backwards.
- Davis, Arlan JUTgranted 2019-04-10cancelled 2019-05-07
Successor callsigns
Callsigns held now by people who previously held AD7DA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD7DA, oldest first.
- Sundve, Chad C OR2004-03-10 → cancelled 2016-03-11
- Davis, Arlan J UT2019-05-07 active