Atoll Manual

7/29/2019 Atoll Manual

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Atoll manual,

File>New>GSM GPRS EGPRS>Ok

You must have Digital Map of Vietnam to open clutter, height, and vector.


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Firstly, you open clutter folder>Index

Select clutter classes>Ok, wait for few moment the outcome will be liked this.


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Next, we open height>index>altitudes>Ok

This is the outcome, maybe you cant see any different but its ok.


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Then you select tools > option. In coordinates tab, modify the projection and display.

For projection, WGS84 UTM zones> WGS84/ UTM zone 48N

For display, you choose WGS84 is enough.

In degree format, modify this to be degree. Then Ok

Total outcome should be something like this>>


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So far, we open vector> index in digital map folder.

Vectors is vectors, then click Ok

This window will pop-up again, you modify as in this figure. Finally, click import.


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After importing vectors, on your bottom right lat, long and elevation will show up.

Please notice that you must move your Vectors folder in Geo up, this will show up

detail such as road, etc.

Next, import sites by double click on sites folder> import


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Notice on Decimal symbol, you should select a dot and then click import.

Next you import Antennas and Transmitters, the procedures are the same as Sites

which I have shown you above.

In data tab, right click on predictions>New and select> Coverage by signal level> Ok

Choose tab Data>Prediction>Properties; and on the default propagation model, you

must choose Okumura-hata with default resolution 20 m.


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Next, you go to Modules, right click on Okumura-hata and then properties


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Modify all value same as this;

And Then, In Formulas tab below;


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Also checked, coverage by signal level>properties


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In Geo Tab, Clutter Classes> properties

Make sure that in this 2 column, all values are 7.


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In Display tab, its all about how you do want the display color for each clutter to be.

You can change color whatever you like.

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Atoll Manual