Hi guys,
In the build manual for the EQP1A vers. 1.0, there is no reference to jumper the ground plane.
PLEASE ENSURE YOU JUMPER THIS - VERY IMPORTANT.
What this does is makes the top of the PCB a grounded shield.
Noted by the yellow highlighted section in this picture, simply place a jumper between the 2 holes and solder, as you would with any other jumper on the board.
I have confirmed this with Greg at DRIP :-)













