Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RWH callsign genealogy
Currently held by Holzgraf, Robert
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 W7RWH's current licensee, walking backwards.
- Holzgraf, Robert WWAgranted 2014-12-30cancelled 2016-05-06
Successor callsigns
Callsigns held now by people who previously held W7RWH.
No current licensee on record previously held this callsign.