900mhz

I got the hobbyking 200mW 900MHz fpv system. Seemed to work well, so I made the Clover leaf and Skew Planar antennas from David's instructions. Got one flight on that with a great improvement on picture clarity. I went to fly a few days later, and it was like the frequency had shifted. instead...

So about a week ago I bought my first fpv gear from Readymaderc. In my order was a 1.3ghz TX and RX. When my order arrived I opened the box and took everything out to look at it, everything looked right to me. a couple days later I go to run everything for the first time, and I am having trouble...