Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9JXH callsign genealogy
Currently held by Patek, David 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 K9JXH's current licensee, walking backwards.
- Patek, David RNMgranted 2012-12-21cancelled 2013-01-08
Successor callsigns
Callsigns held now by people who previously held K9JXH.
- PATEK, DAVID RNMgranted 2025-11-27