Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ADJ callsign genealogy
Currently held by GOODSTEIN, JULIAN
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 W1ADJ's current licensee, walking backwards.
- GOODSTEIN, RONALDMAgranted 2007-10-23cancelled 2013-10-17
Successor callsigns
Callsigns held now by people who previously held W1ADJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1ADJ, oldest first.
- GOODSTEIN, JULIAN FL2007-10-27 → cancelled 2011-10-11
- GOODSTEIN, RONALD MA2023-08-12 active