On 10/26/2013 10:09 PM, Jim Thomson wrote:
50 feet beats out 34 feet hands down every time. 67 feet
beats out 48 feet every time too. Be careful about the TA program.
It assumes you are in the middle of a wheat field in Kansas.
BULLSHIT!
N6BV;s HFTA terrain analysis software uses USGS terrain data to model
the behavior of horizontally polarized antennas. It is DAMN GOOD! If
you live in flatland, NEC is sufficient. If you have irregular
terriain, HFTA is critical. Lots of serious contesters and serious
engineers around me (the SF Bay Area) have used it extensively and swear
by it, including me.
73, Jim K9YC
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