ive collected lots of testimonials about the hdr den rad the scare crow his blogs ive collected and very well detailed my hdr i built a number of them but all the electromagnets all 7 of them had heating problems so i designed it with a thicker core and its perfect but no vortex or grid points near my area to even test it on as ive never fully tested mine but oneday i plan to try it but i only want knowledge not time travel yet , those who haven't had any luck with there hdr well steven gibbs did say not everyone will have luck anyhow , what type of test you refer to that can show anyone there hdr works for them , remember what i just said gibbs did say it may not work for everyone, and not everyones going to not say anything if it dident work they would say they got ripped off no secret in not telling all you had no luck i know someone who brought the hdr and had no luck and he admited it but still tried anyhow let me hear about your simple test