Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0JHC callsign genealogy
Currently held by German, Christopher 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 W0JHC's current licensee, walking backwards.
- German, Christopher KWAgranted 2016-07-13cancelled 2016-08-02
Successor callsigns
Callsigns held now by people who previously held W0JHC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0JHC, oldest first.
- KOHLER, ARMIN P IA2004-11-23 → cancelled 2009-11-26
- German, Christopher R WA2016-08-02 active