[Lf] Loop question

[Andre' Kesteloot]

Clifford Buttschardt wrote:

> We have been building loops in aluminum channel for years.  They work
> very well indeed.  We simply take as long a length of channel material
> one can find, then make three cuts such that when the channel is bent
> back upon itself an appropriate square results.  Wind as many turns of
> wire as you can in the channel.  Finish off the task with a long piece
> of duct tape to seal the entire affair.  Cliff K7RR