Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8SDF callsign genealogy
Currently held by Perye III, Glen R
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 W8SDF's current licensee, walking backwards.
- Perye III, Glen RMIgranted 2017-04-13cancelled 2017-05-09
Successor callsigns
Callsigns held now by people who previously held W8SDF.
No current licensee on record previously held this callsign.