Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB6JPZ callsign genealogy
Currently held by ADLER, ALAN R
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 WB6JPZ's current licensee, walking backwards.
- Parrish, Joshua MCAgranted 2020-09-21cancelled 2020-10-10
Successor callsigns
Callsigns held now by people who previously held WB6JPZ.
- Adler, AlanCAgranted 1997-11-19cancelled 2004-07-16
All historical holders
Every license row we've seen with the callsign WB6JPZ, oldest first.
- Parrish, Joshua M CA2020-10-10 active
- ADLER, ALAN R— → cancelled 1997-11-19