Are we having fun yet Tom?


Jun 01 08:50 04, Tom Walker wrote to Paul Westell:

 TW> I checked a reference book and for the "Cable
Trick"(optimum lengths of feed cable) you make the cable lengths N/3
in 
 TW> length. Where N is the Wavelength in Feet or whatever length
measurement is approprate. At 2 gig plus you will be working 
 TW> in inches. The 3 is the Key factor. You can go up the scale and
still get the desired effect. IE; 2N/3, 3N/3, 4N/3 etc to 
 TW> get workable lengths.

It looks then as if the longer the cable the easier it is to acomplish due
to averaging, but at less than 5" wavelength any cable inefficiency
will quickly defeat the advantage gained. The tolerances must be so much
more forgiving in the VLF range.


... It could be worse ...
Paul

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