Open Access

Table 2.

Parameters for the calculation of radar sensitivity to interferencesa.

Parameter Description Value
G Maximum antenna gain 27 dBi
PT Pointing in elevation ~6–8°
BW Beam width 10° at 3 dB
S min Minimum detectable signal at antenna output −103 dBm
CL Cable loss 2 dB
RBW Typical receiver bandwidth 5.5 MHz
S/I Signal to interference ratio 12 dB
MG Aeronautical safety margin and multiple technology allowance 12 dB
a

We follow here the methodology by Frequentis (2007), where a conservative interference threshold at receiver input is calculated as: S min + G − CL − (S/I) − MG, which amounts to −102 dBm.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.