Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5SIM callsign genealogy
Currently held by Klein, Daniel G
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 K5SIM's current licensee, walking backwards.
- Klein, Daniel GMNgranted 2005-08-01cancelled 2005-08-19
Successor callsigns
Callsigns held now by people who previously held K5SIM.
No current licensee on record previously held this callsign.