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1. OUTLINE
The Catapult Clearsky T6 system is a professional‐grade Local Positioning System (LPS) designed to
measure the performance of elite athletes within individual and team sports. This document introduces
the Clearsky T6 hardware components and provides an explanation of functionality and general
operation.
The OpenField software system data are collected live and downloaded to the OpenField console and
can then be uploaded to the OpenField cloud post session. To store the collected data on the OpenField
cloud, data must be synced from the console to the cloud over a solid internet connection.
The hardware components of the Clearsky system include the worn Clearsky tag, wireless Ultrawide Band
(UWB) anchors for LPS tracking and a charging case.
2. CLEARSKY T6 TAG
The Clearsky T6 tag is a wearable LPS tag with embedded microsensors that is used to measure the
performance of elite athletes, in both real‐time and post session. The Clearsky T6 tag contains the
following measurement sensors and components:
UWB (3973MHz to 4243MHz) radio transceiver
UWB antenna
Tri‐axial Accelerometer (up to 1000 Hz data rate)
Tri‐axial Gyroscope (up to 1000 Hz data rate)
Tri‐axial Magnetometer (up to 1000Hz data rate)
Magnetic Heart Rate Receiver (5.4KHz frequency)
Tag status Light‐emitting Diodes (LEDs)
Haptic feedback via vibration unit
All sensors are sampling continuously, and data are logged onto an onboard eMMC card as well as
transmitted live via ultra‐wide‐band (UWB).
