[Elecraft] Alpha Antenna/KX3

[Jim Brown]

The RX only loop you're describing are VERY different from magnetic 
loops designed for TX.

73, Jim K9YC

On 6/6/2019 9:11 AM, Edward R Cole wrote:
> Interesting reviews on some of the loop antennas.  I've seen W4OP 
> adv's for several years.
>
> I plan to make a receive-only 630m loop (4 to 6 foot diam) out of some 
> surplus 1/2-inch hardline that is too old for coax use.  The copper 
> shield should do well in a loop.  I will use a preamp with it (pcb in 
> hand waiting for some spare time to build).  Plan using a small TV 
> rotator and tripod mount.  Advantage of the loop is being able to null 
> out noise sources. I transmit using 43x122 foot inverted-L.