General

During several testing sessions from May 12 to June 3, 2011, information was gathered on potential sources of intermodulation from on-board and external radio transmitters. No strong evidence of non-locomotive external intermodulation was detected, but it cannot be ruled out at this time. One of...

PTC 220 MHz Locomotive Noise Approach, Observations, Mitigations

PTC 220 MHz Radio: ITCR Version 1.1 System Architecture Specification

This document is one of three documents in a set of specification documents that describe the ITC 220 MHz Radio Network. This network provides communications for Positive Train Control (PTC) and is composed of 220 MHz data radios designed specifically for this application. The 220 MHz Radio Network...

Remarks at the TRB High Speed Rail Workshop

ROW Fatality and Trespass Reduction Workshop 2008, Summary of Results

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ITCR 1.0 STI-CO Wayside and Base Station Intermod Final Report

This is the initial effort to determine if intermodulation products/interference could affect the PTC 220 MHz band at or near several wayside and base station sites. A few BNSF sites where PTC 220MHz radio systems will be installed in the future were selected by MCC: BNSF CP Boeing and BNSF CP...