Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0RTQ callsign genealogy
Currently held by LEHNHERR, PATRICK 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 KC0RTQ's current licensee, walking backwards.
- LEHNHERR, PATRICK JMNgranted 2003-01-28cancelled 2004-02-26
Successor callsigns
Callsigns held now by people who previously held KC0RTQ.
- Lehnherr, Patrick JMNgranted 2024-01-03