DLR wrote:
> msg wrote:
>
>> DTC wrote:
>>
>> <snip>
>>
>>>
>>> I was going to add that when we tested a twenty foot length stapled
>>> around a base board with a TDR, we could see disconuities where
>>> the T-25 staples were...which gives credibility of creating a
>>> notch filter as well as other SWR issues.
>>
>>
>> Try the experiment with a length of cable suspended in the air
>> between two points and simply lay the staples on top of it;
>> if you see any effects I would be truly surprised.
>
<snip>
>
> Think of those staples as a long term problems developing slowly.
That was my point although not clearly made; I believe that the
compression of the cable would be responsible for any TDR effects
seen.
Michael