Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KV7DX callsign genealogy
Currently held by RIO VERDE DX ASSOCIATION
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 KV7DX's current licensee, walking backwards.
- Johnson, Jason RWAgranted 2018-04-14cancelled 2019-03-15
Successor callsigns
Callsigns held now by people who previously held KV7DX.
- K7DXXcancelledRIO VERDE DX ASSOCIATIONAZgranted 2017-01-24cancelled 2017-06-06
All historical holders
Every license row we've seen with the callsign KV7DX, oldest first.
- RIO VERDE DX ASSOCIATION AZ2017-01-06 → cancelled 2017-01-24
- Johnson, Jason R WA2019-03-15 active