Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD8SD callsign genealogy
Currently held by Griggs, Jeffrey L
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 AD8SD's current licensee, walking backwards.
- Griggs, Jeffrey LOHgranted 2017-10-13cancelled 2017-11-14
Successor callsigns
Callsigns held now by people who previously held AD8SD.
No current licensee on record previously held this callsign.