I made a 6 meter antenna from 1/2 inch copper pipe. Center fed(gamma match
using 12 inches of 1/4 copper tube), mostly like a letter U with the upper ends
folded in towards the center but not connected or very close together. I found
I need a cap about 50 pf to get the best match. The caps I used to find the
right one were ceramic disks. I have only used the lowest power to find the
matching value. Since caps are rated in pF and voltage and not in wattage,
What values do I need to use it on my 746 (100w)? OR what other kind of cap
(and what value) can I get that would be better than the ceramic disks? And
depending on the type, how would I protect them from the weather?
I have seem matches using RG8 and tubing but don't know how to calculate the
length or the shorting distance. Would this be a possible solution? And can
someone give me starting measurements for something like this?
Newbe at antennas(and most everything else too).
Tnx es 73, de Jim KG0KP
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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