Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5NKR callsign genealogy
Currently held by Sostre, Justin
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 W5NKR's current licensee, walking backwards.
- Sostre, JustinNYgranted 2024-04-23cancelled 2025-08-22
Successor callsigns
Callsigns held now by people who previously held W5NKR.
No current licensee on record previously held this callsign.