Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WD6SAM callsign genealogy
Currently held by Shafer, Samuel 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 WD6SAM's current licensee, walking backwards.
- Shafer, Samuel DCAgranted 2019-10-30cancelled 2019-11-19
Successor callsigns
Callsigns held now by people who previously held WD6SAM.
- Shafer, Samuel DCAgranted 2023-07-11