Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5KMU callsign genealogy
Currently held by HORNING, CRISPIN 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 K5KMU's current licensee, walking backwards.
- HORNING, CRISPIN JMSgranted 2006-09-20cancelled 2009-11-03
Successor callsigns
Callsigns held now by people who previously held K5KMU.
No current licensee on record previously held this callsign.