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5.8GHz circular polarized skew planar wheel antennas are a fantastic upgrade for FPV applications. A quick search with Google will reveal several published articles (and videos) on how to make 3 lobe and 4 lobe versions for less than $5 each. For example: http://www.rcgroups.com/forums/showthread.php?t=1388264 These 5.8GHz skew planar's are small enough to fit inside a ping pong ball. Let's just call it a poor man's radome. I'm certainly not the first to think of using a ping pong ball to do this, but given all the DiY antenna building that is going on I am very surprised that I haven't se