Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4JER callsign genealogy
Currently held by Rush, J Earl
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 N4JER's current licensee, walking backwards.
- Rush, J EarlVAgranted 2015-11-18cancelled 2016-03-29
Successor callsigns
Callsigns held now by people who previously held N4JER.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4JER, oldest first.
- JASKULSKI, HENRY J FL1988-08-16 → cancelled 2000-08-17
- Rush, J Earl FL2026-01-30 active