In the Worksheets module select Operations Diversity Calculation and specify the frequency diversity difference. Antenna configurations should be TXRX-TXRX and configured with nominal SD. The configuration you describe is Quad Diversity. I'll appreciate if anybody can help me with this. I used the above antenna configuration for 2 receivers, but I couldn't find any calculation for 4 receivers in Pathloss. In ITU P.530-8 the FD+SD diversity is specified for 2 receivers and 4 receivers separately in calculating outage probability. In Pathloss 4, antenna configuration:TR-TRTH or TRTH-TR is defined as for a hybrid diversity configuration which uses frequency diversity in both directions and space diversity at one end of the path only. I get all my SDTS files from GISDataDepot

Works on the 10meter files, but I've had no luck with the 30meter files. Into a file format that it can use - probably a. Then, you can go in to the PathLoss Database menu system and do anĪSCII to Binary conversion on the DEM file that you just created. Then you run the SDTS2DEM.exe program (under DOS) to convert it to a mįile. Try If you haven't found this already, you need to get this nifty little utility.įirst you use WinZip to extract all the. The USGS explains that the previous DEM files had coordinate adjustment errors so I don't want to look at old DEM files. ddf files and these are not compatible with PathLoss.

I have looked at the USGS web site and everything is using SDTS DEM which are tar'd and gnuzip'd (.GZ). Where do I find 30 and 10 meter USGS DEM sources that are compatible with Pathloss? (1:24000 scale 7.5 minute sources). Make sure that the delimiter is set to Comma and click the Next button. Select Delimited and because we do not want to import the column names, set Start import at line to 2.Ĭlick the Next button.

This is a comma delimited file with column headers. Select the text file you would like to import and click Open You can also click the Site list button on the toolbar.Ī file open dialog box will appear. Pathloss 5 is flexible enough to read either.įairview,CHW614,55.83722222,-118.59666667ĥ Step 5 - Verify coordinate and group settingsĬlick View - Site List to bring up the Site index. Usually the site text files are delimited with commas or tabs, but they can also be fixed width. This is a step by step procedure for importing site text files.

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