Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WJ0SHM callsign genealogy
Currently held by Margolis, Joshua 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 WJ0SHM's current licensee, walking backwards.
- Margolis, Joshua DGAgranted 2020-05-11cancelled 2020-06-01
Successor callsigns
Callsigns held now by people who previously held WJ0SHM.
- Margolis, Joshua DGAgranted 2023-06-27