Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7AJO callsign genealogy
Currently held by WALKER JR, RICHARD D
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 W7AJO's current licensee, walking backwards.
- KK7ZKHcancelledAjo Amateur Radio ClubAZgranted 2025-02-27cancelled 2025-03-21
Successor callsigns
Callsigns held now by people who previously held W7AJO.
- WALKER JR, RICHARD DWVgranted 2023-02-28
All historical holders
Every license row we've seen with the callsign W7AJO, oldest first.
- WALKER JR, RICHARD D WV2020-03-05 → cancelled 2023-02-28
- Ajo Amateur Radio Club AZ2025-03-21 active