The K5PRK repeater is the primary repeater for the Plano Amateur Radio Klub, and is used for Collin County Amateur Radio Emergency Service.
When there are Severe Weather Warnings in Collin County, this repeater is used Skywarn Weather Spotting reports.
147.18 MHz is the primary frequency for Skywarn when a Severe Thunderstorm Warning, or Tornado Warning, or any other weather warning is in effect for Collin County, TX. It is also used for the Collin County Amateur Radio Emergency Service as needed. The rest of the time it is one of the Plano Amateur Radio Klub (PARK) repeaters, for nets and general chatting.