Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W3JJG callsign genealogy
Currently held by Gritzer, Jeanine 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 W3JJG's current licensee, walking backwards.
- Gritzer, Jeanine JPAgranted 2015-05-05cancelled 2020-09-01
Successor callsigns
Callsigns held now by people who previously held W3JJG.
- Gritzer, Jeanine JPAgranted 2025-02-15
All historical holders
Every license row we've seen with the callsign W3JJG, oldest first.
- MUELLER, FREDERICK W MD1997-09-30 → cancelled 2009-10-01
- Gritzer, Jeanine J PA2020-09-01 → cancelled 2025-02-15