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I have a 2m Gizmotchy antenna that allows me to change polarity with the flip of a switch. I've tested this a million times and the cross polarity can make a huge difference. However, my testing has also shown that at times due to signals bouncing around, it makes less or more difference than at other times. For example, there are a few stations that I cannot talk to directly from my QTH. As a result, we routinely bounce our signals off near-by hills. My experience suggests that when you are relying on bouncing paths, the cross polarity rules of thumb change the equation. Sometimes the cross polarity is worse because of the bounced path; sometimes it is better.

I guess the lesson is YMMV.

[QUOTE="Moleculo, post: 425307, member: 1"] I have a 2m Gizmotchy antenna that allows me to change polarity with the flip of a switch. I've tested this a million times and the cross polarity can make a huge difference. However, my testing has also shown that at times due to signals bouncing around, it makes less or more difference than at other times. For example, there are a few stations that I cannot talk to directly from my QTH. As a result, we routinely bounce our signals off near-by hills. My experience suggests that when you are relying on bouncing paths, the cross polarity rules of thumb change the equation. Sometimes the cross polarity is worse because of the bounced path; sometimes it is better. I guess the lesson is YMMV. [/QUOTE]

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