Project definition for radio PeeWee - requirements specification (RR-TSU-D-PWE-RQ-9)

1 INTRODUCTION 1.1 Purpose The purpose of this document is to specify the requirements of an on-track warning system capable of communicating a warning, by radio, from a Distant Lookout (DLO) to a Site Lookout (SLO) in close proximity to workers on the track. The system, hereafter referred...