There are a lot of connections within the system and it is important to check that they are all working. One that is difficult to notice is the polarisation of the signal. In order to test this, a temporary test transmitter is setup, which sends out a low-power signal. This is then used to check that the correct signal is going through the correct chain in the electronics.
Caption : Here is the test aerial. The RF-container can be seen in the background.
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