Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4SS callsign genealogy
Currently held by glenn, Johnathon 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 WD4SS's current licensee, walking backwards.
- Glenn, Johnathon WALgranted 2020-06-30cancelled 2021-12-07
Successor callsigns
Callsigns held now by people who previously held WD4SS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4SS, oldest first.
- SHORTER, STEPHEN A NC2006-12-12 → cancelled 2019-02-13
- glenn, Johnathon W AL2021-12-07 active