Yes, I've tried many location.
Max 1.3KH now but most of them is less than 800H.
Used to 1.8 - 2KH before fork.
http://prntscr.com/lgomslFrom what i have seen with my miners i suspect that this issue is region-specific, i.e. some regions just don't work so well anymore. Can you confirm this? (unfortunately the regions you are using are not visible from your screenshot)