As I said before it all started with a single vertical.

When I did some research on the 4SQ there are many websites who will be much better than mine ever will be. Eventually it is not my goal to be a site with the most formulas or a step by step online manual.

My goal is that others will try to make their own systems and give them some tips and tricks on how I built mine.

Well not every day but I receive many emails from people asking me how did you built yours.

The first you need to know is that research is very important, before I even start building mine I educated myself and searched google for months, because the build is something out of my comfort zone.

The heart of the system is the coupler (where all 4 verticals come together)  there are many different types and some couplers will be better than others.

My goal was the cheapest way to build my dream.

So after searching I found the site of SJ2W who has a PCB for sale in his web shop to build the coupler yourself.

I will not describe the building process because on his site and on the site of TK5EP you will find all the info you need.

Oh yes it was for me something I never did before and after the build it looks easy and it is, but before I did not know how to start with it.

The finishing picture of the coupler in my test box

The final configuration was looking much better