On 8/1/2012 11:36 AM, Paul Christensen wrote:
>> My Times Wire and Cable catalog shows a power rating of 9kw for 142 and
>> 11.5 kw for 143 at 10mhz . The ratings are less at 50mhz, 3.5kw and 4.6kw.
>> I have been using 142 on legal limit chokes for several years. Take a look
>> at the chokes from Balun Designs and DXE. they use the stuff.
>
> Another alternative ro RG-142 is RG-400, a premium grade of the same coax.
> Often, it can be found on NOS reels at prices close to that of RG-142. I've
> standardized on RG-400 for coaxial baluns and all shack interconnects.
> RG-400 uses the same RG-142/58 connectors, including crimped PL-259,
> soldered PL-259 with a silver reducer, and crimped BNC.
Looking at the spec I just ordered 50 feet of the stuff for compact
baluns. It's only a tiny bit larger than 303 so I can still get the
same # of turns on the cores. It's probably available cheaper, but I
picked up a fair amount at $2 a foot after a half hour of searching.
73 & Thanks
Roger (K8RI)
>
> Paul, W9AC
>
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