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<blockquote data-quote="s-band" data-source="post: 1007245" data-attributes="member: 407744">Do you mean chip or board? Is it one of the PLDs (programmable logic devices) that have the labels in a large type face? The RC2KHPP is the high power polariser driver card. Any chance of a highish res pic, please? Mine is here <a href="https://www.satellites.co.uk/forums/attachments/rc2k_innards-jpg.99349/" target="_blank">https://www.satellites.co.uk/forums/attachments/rc2k_innards-jpg.99349/</a> you can see the version number on the EPROM and mine does not have either type of Seavey polariser card fitted.I would have thought that the orientation of the elevation motor on the 1224 just changes the direction?I presume that the different versions are needed for the different calculations needed for AZ/EL vs Polar etc. It probably also has differences to make the inclined tracking algorithm work.Attached is a note on inclined tracking and a table of the differences. Only the A &amp; X can have the web server and the X doesn't have the pulse servo driver enabled. So, BM, you can't have the web server with the polar option (C) as far as I can tell.</blockquote>

[QUOTE="s-band, post: 1007245, member: 407744"] Do you mean chip or board? Is it one of the PLDs (programmable logic devices) that have the labels in a large type face? The RC2KHPP is the high power polariser driver card. Any chance of a highish res pic, please? Mine is here [URL]https://www.satellites.co.uk/forums/attachments/rc2k_innards-jpg.99349/[/URL] you can see the version number on the EPROM and mine does not have either type of Seavey polariser card fitted. I would have thought that the orientation of the elevation motor on the 1224 just changes the direction? I presume that the different versions are needed for the different calculations needed for AZ/EL vs Polar etc. It probably also has differences to make the inclined tracking algorithm work. Attached is a note on inclined tracking and a table of the differences. Only the A & X can have the web server and the X doesn't have the pulse servo driver enabled. So, BM, you can't have the web server with the polar option (C) as far as I can tell. [/QUOTE]

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