Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K2JZJ callsign genealogy
Currently held by Demlong, Adolph 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 K2JZJ's current licensee, walking backwards.
- Demlong, Adolph RAZgranted 2007-05-01cancelled 2007-10-30
Successor callsigns
Callsigns held now by people who previously held K2JZJ.
- Demlong, Adolph RAZgranted 2008-06-28cancelled 2020-06-30