Reply to "DCS/Legacy Interference"

Adrian!OGR Forum Member

Uh.... it's possible for DCS to be interfered with by TMCC/Legacy, but not the other way around (DCS jamming TMCC/Legacy).

DCS is an on-command signal (so it only sends something down the track if you push a button, and only for a few ms when you do). DCS is typically a 5-10V excursion when it's working. TMCC is a 450KHz RF carrier and is always there at about 10-100mV range. If the DCS excursion voltage gets low the TMCC can confuse the correlator in the DCS decoder, but the DCS packets are short and go by so fast the TMCC/Legacy train will just ignore them

10/13/1710:01 PM

<ul id="{%=id%}ButtonGroup" class="button-group h-popup-buttons even-button-group even-1">
    <li id="{%=id%}Okay_buttonContainer"><a id="{%=id%}Okay" href="javascript:void(0);" class="button success no-margin-bottom h-alert-modal-ok-button" role="button">OK</a><script type="text/javascript">
        (function() {
            function {%=id%}Okay_click(event, data) {
            {%=id%}Popup.hide();
        }
        
                $('#{%=id%}Okay').on('click', {%=id%}Okay_click);
        })();
    </script></li></ul><a href="javascript:void(0);" class="close-reveal-modal" aria-label="Close Modal">&#215;</a><div class="last-modal-focus focus-utility-element" tabindex="0"></div>
</div>
<script type="text/javascript">
        (function() {
            {%=id%}Popup = new SS.Popup.ModalPopup('{%=id%}');
        })();
    </script>

Skip to main content

Membership Required

Remove From Your Block List

Manage Follow Preferences

Block

OGR Forum Supporting Membership Required

OGR Forum Supporting Membership

Help support this forum with an OGR Forum Supporting Membership.You will be able to watch the videos in the INSTRUCTIONAL VIDEO FORUM!A one-year OGR Forum Supporting Membership is only $12 per year, so sign up now!

OR

Access the ALL the OGR VIDEO FORUMS AND over 300 back issues of OGRwith a DIGITAL SUBSCRIPTION!

Please wait...

Help support this forum with an OGR Forum Supporting Membership.
You will be able to watch the videos in the INSTRUCTIONAL VIDEO FORUM!
A one-year OGR Forum Supporting Membership is only $12 per year, so sign up now!

Access the ALL the OGR VIDEO FORUMS AND over 300 back issues of OGR
with a DIGITAL SUBSCRIPTION!