Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0JJA callsign genealogy
Currently held by GERLE, ROGER W
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 N0JJA's current licensee, walking backwards.
- KF0FPFcancelledLiberty Emergency Radio ClubMOgranted 2021-05-11cancelled 2026-03-24
Successor callsigns
Callsigns held now by people who previously held N0JJA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0JJA, oldest first.
- GERLE, ROGER W MO1988-05-24 → cancelled 2000-05-25
- GERLE, ROGER W MO2017-09-06 → cancelled 2023-03-28
- Liberty Emergency Radio Club MO2026-03-24 active