Blitzortung recommends specific types of antennas for their system. You can check their official website or contact them directly for information on recommended antennas and where to purchase them.
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Support and Community:
Blitzortung has an active community forum where users share their experiences, tips, and support each other. You may find valuable information and assistance there.

Important Note:
Ensure that you comply with any local regulations or restrictions related to the installation of such systems, especially if it involves placing antennas in outdoor locations.