H field big difference in gain

I have two ferrite rods, one facing north south, the other facing east west.  The north south ferrite gets assigned gain of 800, the east west gets gain of 1600, noise is about the same. If I move the two antennas round by 90 degrees the gains on the amps swap so the new north south antenna still has the lower gain.

Do north south ferrites always have a lower gain, or is it some form of interference either to the north or south of my location which causes the higher noise/lower gain?

Would shielding the ferrites work?



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H field big difference in gain - by DrRobin - 2016-10-09, 19:02
RE: H field big difference in gain - by cutty - 2016-10-09, 19:27

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