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basically any vertical with ground elements . all else being equal , assume using 4 quarter wave length ground elements below the feedpoint on the same vertical , height and location , the only difference being the ground elements being parallel to the ground or sloped down at 35-55 degrees .


i trust field strength meters , but i don't trust every bodies interpenetration of what they're seeing on the meter , reflections , obstructions , ground conductivity , in a valley or on a hill , and more can effect those readings and if not accounted for can skew actual results .