# 10.3.3 Interferers density

The panel is activated if "Uniform density" or/and "closest interferer" mode is selected. See Annex ‎A13.2.2 for more details on the calculation.

[![image.png](https://wiki.cept.org/uploads/images/gallery/2026-04/scaled-1680-/3WyFeXdR0aScGJzb-image.png)](https://wiki.cept.org/uploads/images/gallery/2026-04/3WyFeXdR0aScGJzb-image.png)![](blob:https://ecowiki.atlassian.net/71ff7934-d5c3-453d-bc3a-1dbdcc6809b6#media-blob-url=true&id=53979de4-cf80-4aa1-bf90-507fed1796fd&collection=contentId-492937&contextId=492937&width=395&height=196&alt=&clientId=113268fe-fe5b-4bc3-8ff3-07965dbf1d18)**Figure 230: Interferers density panel (only in "Uniform density" and "closest interferer” mode)**

**Table 47: Setting up the interferes density**

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</td><td colspan="1" rowspan="1" style="width: 11.093%;">**Symbol**

</td><td colspan="1" rowspan="1" style="width: 10.4862%;">**Type**

</td><td colspan="1" rowspan="1" style="width: 9.41373%;">**Unit**

</td><td colspan="1" rowspan="1" style="width: 43.613%;">**Comments**

</td></tr><tr><td colspan="1" rowspan="1" style="width: 25.3703%;">**Density of transmitters**

</td><td colspan="1" rowspan="1" style="width: 11.093%;">dens<sub data-renderer-mark="true">it</sub>

</td><td colspan="1" rowspan="1" style="width: 10.4862%;">Scalar

</td><td colspan="1" rowspan="1" style="width: 9.41373%;">1/km<sup data-renderer-mark="true">2</sup>

</td><td colspan="1" rowspan="1" style="width: 43.613%;">Maximum number of active transmitters per km<sup data-renderer-mark="true">2</sup>

</td></tr><tr><td colspan="1" rowspan="1" style="width: 25.3703%;">**Probability of transmission**

</td><td colspan="1" rowspan="1" style="width: 11.093%;">P<sub data-renderer-mark="true">it</sub>

</td><td colspan="1" rowspan="1" style="width: 10.4862%;">Scalar

</td><td colspan="1" rowspan="1" style="width: 9.41373%;">%

</td><td colspan="1" rowspan="1" style="width: 43.613%;"></td></tr><tr><td colspan="1" rowspan="1" style="width: 25.3703%;">**Activity**

</td><td colspan="1" rowspan="1" style="width: 11.093%;">activity<sub data-renderer-mark="true">it</sub>

</td><td colspan="1" rowspan="1" style="width: 10.4862%;">Function (X,Y)

</td><td colspan="1" rowspan="1" style="width: 9.41373%;">1/h

</td><td colspan="1" rowspan="1" style="width: 43.613%;">Temporal activity variation as a function of the time of the day (hh/mm/ss)

</td></tr><tr><td colspan="1" rowspan="1" style="width: 25.3703%;">**Time**

</td><td colspan="1" rowspan="1" style="width: 11.093%;">time

</td><td colspan="1" rowspan="1" style="width: 10.4862%;">Scalar

</td><td colspan="1" rowspan="1" style="width: 9.41373%;">hour

</td><td colspan="1" rowspan="1" style="width: 43.613%;">Time of the day. If the activity function (above), here it should be specified which hour (from the defined range of function) should be considered in a simulation

</td></tr></tbody></table>

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