[Lowfer] USA back on with sorta final improvements
Bill Ashlock
[email protected]
Mon, 23 Dec 2002 01:10:11 -0500
Hi Paul,
>Here is the scoop: 8 100' strands of RG-59 coax; strands are spaced >3"
>apart Strands are soldered to a 1/2" copper pipe at the ends.
>Copper is fed with a 2-1/2" #43 Core. Pipe passes through the core >for 1
>turn loop.
Excellent so far, but where's the series resonant capacitor bank located?
>loop primary is 5 turns... Turns ratio still seems too low.
This is way to low. What are you using for a capacitor bank? Must be either
mica or polystyrene. Also, what is value of your Vcc on the final so I can
determine what the ratio should be. Also, I keep asking, but no mention of
the most important parameter once the area is chosen (worth 100 signal
reports) - the loop current.
Could be the saturated ground. Partially, but not this much AC resistance.
You have a system resistance running in the neighborhood of 1 ohm. Should be
less than 0.1 ohm with all that paralleled RG59 coax.
>Bottom of diamond is 2' off the ground.
Close to becoming a problem.
>Resonating capacitance = 29000 PF
Reasonable value.
>I need to get up the tower and attached the rope to the 125' point. >Not
>as easy to do as it once was sigh.......
Be careful!!
>Once this is done it should allow me to get the bottom of the antenna >10
>or so feet off the ground.
Good.
Bill
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