On Fri, Oct 12, 2012 at 7:27 AM, Richard Fry wrote:
> There is little point in dissecting the far field tens of kilometers from
> a vertical monopole to find the field remaining there at low elevation
> angles, because that does not account for ALL of the fields radiated by the
> monopole. In fac
Hi Eddy,
Trees are OK! The first loop I built was hung from a tree limb. Also, a tree
will help hide the antenna from your neighbors (if that is a problem).
If you optimize the resistor for 160M (typically 390 or 430 ohms), the antenna
will have some F/B on 80M. It's not optimum, but it's good
Guy Olinger wrote:
We will run NEC4 near field calculations on a 1/4 wave radiator with 120
buried 0.4 wavelength radials at 1.825 MHz, soil char of (5, .13). Even at
30 (thirty) km the depth of the notch near ground is still increasing. ...
At 50 km out the minimum at 100m height is -28.69 dB
