[Css-csts] Updated FRM Magenta Book Antenna and 401 Space Link Carrier FR definitions

John Pietras john.pietras at gst.com
Tue Dec 15 21:50:59 UTC 2020


CSTSWG colleagues ---
Over the past year or so, we have grappled with issues involving (a) how to represent the coherency relationship between the Ccsds401SpaceLinkCarrierRcpt and  Ccsds401SpaceLinkCarrierXmit FRs, and (2) how to characterize the nature of the interfaces between the Ccsds401SpaceLinkCarrierRcpt and  Ccsds401SpaceLinkCarrierXmit FRs and the Antenna FR (i.e., IF or RF).

In our last several telecons, we have arrived at resolutions for these issues. Part of those resolutions involved adding explanatory text in the affected sections of the FRM Magenta Book. I have added that material in the attached draft. I attempted to just create a subset of the document, but without recapping the several ultimately-futile things that I tried, let me just summarize by saying that I failed to do so (have I ever mentioned how much I hate Microsoft? :)). So the attached is a full copy of the draft MB - however, the only sections that are under discussion are sections 3.2, 4.1, 4.2, and 4.3 - 10 pages total.

One of the things that I have attempted to do was to more-closely  align the FR definitions in the MB with those in the SANA registry DB. In the process of doing so, I came across a few issues with the definitions of the Antenna and Ccsds401SpaceLinkCarrierRcpt FRs in the SANA DB. I have added comments to the Word file that Wolfgang distributed this morning and have attached that also.

My apologies for sending this out so shortly before tomorrow's telecon. Looking forward to talking with you then.

Best regards,
John

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