Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6RZ callsign genealogy
Currently held by Shafer, John W
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 AD6RZ's current licensee, walking backwards.
- SHAFER, JOHN WCAgranted 1998-10-21cancelled 2000-08-18
Successor callsigns
Callsigns held now by people who previously held AD6RZ.
- Shafer, John WCAgranted 2013-09-14cancelled 2024-04-10