Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7YDX callsign genealogy
Currently held by WOLBERT, JOSEPH H
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 N7YDX's current licensee, walking backwards.
- KE7BUUcancelledYuma DX AssociationAZgranted 2004-09-23cancelled 2004-10-13
Successor callsigns
Callsigns held now by people who previously held N7YDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7YDX, oldest first.
- WOLBERT, JOSEPH H WA1992-05-05 → cancelled 2004-05-06
- Yuma DX Association AZ2024-08-28 active