Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JUA callsign genealogy
Currently held by HAHN, RICHARD 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 K0JUA's current licensee, walking backwards.
- Hahn, Richard OCOgranted 2014-06-12cancelled 2014-07-29
Successor callsigns
Callsigns held now by people who previously held K0JUA.
- Hahn, Richard OCOgranted 2014-10-28cancelled 2015-01-09
All historical holders
Every license row we've seen with the callsign K0JUA, oldest first.
- HAHN, RICHARD W CO1996-11-19 → cancelled 2008-11-20
- Hahn, Richard O CO2014-07-29 → cancelled 2014-10-28