In a message dated 1/20/01 4:20:17 PM Pacific Standard Time,
petrich@u.washington.edu writes:
> Aside from the personal satisfaction that you may experience from
> building your own balun, you are more likely to do worse, making your own
> balun, instead of purchasing one of these quality products. The Force -12
> baluns are manufactured by Cal-AV and I consider them the same. I have
> about #8 of these baluns in use on my antenna system and have experienced
no
> difficulties. The manufacturing specs, available from the Cal-AV website,
> are impressive in terms of the common mode impedance, impedance bandwidth
> and environmental protection. They employ the latest ferrite bead balun
> technology to develop the needed common mode impedance.
Also they are filled with a material (sorry I don't know which one) in a
vacuum chamber so there aren't any voids in the balun and it's impervious to
water ingress. It's also a reasonable price. I recommend them to anyone
interested.
Cheers, Steve K7LXC
Tower Tech
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