Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JJR callsign genealogy
Currently held by ROSEN, JACOB J
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 W1JJR's current licensee, walking backwards.
- ROSEN, JACOB JMAgranted 2009-03-31cancelled 2009-07-03
Successor callsigns
Callsigns held now by people who previously held W1JJR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1JJR, oldest first.
- RAMEIKA, JOHN T FL1988-03-15 → cancelled 2000-03-16
- ROSEN, JACOB J FL2019-05-25 active