Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9JSR callsign genealogy
Currently held by Robinson, Joseph S
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 W9JSR's current licensee, walking backwards.
- Robinson, Joseph SOHgranted 2021-10-14cancelled 2021-12-10
Successor callsigns
Callsigns held now by people who previously held W9JSR.
No current licensee on record previously held this callsign.