Having joined up back in May 2011, this is my first post here. At the outset I will state that as a layman have no formal education re GR. But do understand the basic principles and will claim to think clearly on such things (mostly anyway)  It so happens I started a thread on Anatoly Svidzinsky's Vector Gravity at another forum back on June 8, 2018. Regarding a 'future test' of Vector Gravity vs GR via GW data - it's in effect already been done wrt the NS-NS merger event GW170817: https://arx