Topband: Noise Cancellation Options?

[Paul Christensen]

> Those units have a "gap" in their phase range. The range should be a full 
> 360 degrees, but it is only about 280 degrees. If you can't get a good 
> null, then perhaps this is the problem."

Good point to keep in mind.  The DX Engineering NCC-1 covers the full 
360-degree phase range with flat gain characteristics.  Although priced 
higher than the two units mentioned, quality of construction, design and 
components is superior.

Paul, W9AC