Total posts : 45366
It does resemble MRAM’s pictures that I recall seeing on the site somewhere.
But it does look like it is true to what it claims to be and is rather expensive, but then again if you were manufacturing and selling these the price would seem just right.
Everything shown is easy to replicate with hardware parts, and copper would be better than aluminum.
The coil is the most tedious part to make by hand, but many members have wound their own coils.
The top hat is often claimed by some RF engineers to do little or nothing to improve the range of a 3-meter antenna, while others claim good results. Main thing I believe is that a top hat isn’t going to hurt anything.
