Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2RUN callsign genealogy
Currently held by JONG, JAMES
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 W2RUN's current licensee, walking backwards.
- JONG, JAMESMTgranted 2017-07-07cancelled 2017-10-03
Successor callsigns
Callsigns held now by people who previously held W2RUN.
- MEDINA, JACKNYgranted 2015-03-14
All historical holders
Every license row we've seen with the callsign W2RUN, oldest first.
- MEDINA, JACK NY2015-02-24 → cancelled 2015-03-14
- JONG, JAMES MT2017-10-03 active