From 08765f2c1c6c1cff27f4e616e11784dd803d4a5a Mon Sep 17 00:00:00 2001
From: krakenrf <78108016+krakenrf@users.noreply.github.com>
Date: Mon, 5 Sep 2022 21:29:38 +1200
Subject: Updated 08. Passive Radar (markdown)

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 08.-Passive-Radar.md | 2 ++
 1 file changed, 2 insertions(+)

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 # Activating Passive Radar Code
 The ready to use Pi 4 image comes with the Passive Radar code preinstalled. But by default the DOA software is the one that will run on boot. To change to the passive radar code, connect a monitor and keyboard (or SSH in), and edit `start.sh` in the home folder. You will need to comment out the DOA code run lines, and uncomment the passive radar lines.
 
+The passive radar code works on both Kraken and Kerberos devices. Make sure that you set a preconfig file that is prefixed with "pr_" for either device. On the Pi 4 image, a "pr_" fixed preconfig is already set by default. (See further below for an explanation on the different "pr_" preconfig files)
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 # Passive Radar
 Active radar systems emit a radio pulse towards a target such as an aircraft and wait for the reflection of that pulse to return. In contrast, a passive radar system emits no signals. Instead, it makes use of already existing powerful transmitters, such as broadcast FM, TV and mobile phone towers.
 
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