Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD7HRO callsign genealogy
Currently held by HRO Phoenix ARC
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 WD7HRO's current licensee, walking backwards.
- KJ7HCJcancelledHRO Phoenix ARCAZgranted 2019-06-10cancelled 2023-01-31
Successor callsigns
Callsigns held now by people who previously held WD7HRO.
No current licensee on record previously held this callsign.