tjowen
21
Here’s the idea. But, if you test the power inserter to verify that it doesn’t pass DC to the dongle, than the first DC blocker can be omitted.
Dongle—DCBlocker—PowerInserter—AMP—DCBlocker—Antenna
As the for antenna, suggestions look at this thread.
ads-b-flight-tracking-f21/3-easy-antennas-for-beginners-t20177.html
I’ve built a few versions of the spider with great success.
Good luck, Tom