Yeah, range check. What you're telling me is that at 10 feet, you servos are jittery. Worrisome. Several things can contribute to jittery servos at a close range. Ideally you shold be able to get 50 feet or more out of a collapsed antenna range check.

Some things to check for.
- Is your receiver antenna touching metal of any sort?
- Is you receiver battery fully charged? Low charge on a receiver battery leads to decreased sensitivity in the receiver. Had this one come up for me recently. Drove me nuts.
- Is your receiver battery supplying the full amount of voltage it is rated for? (i.e. bad cell in the pack)
- Is you transmitter battery fully charged?
- Long shot, but they do make RF noise. Is there a flourescent light nearby?
- Is there a computer nearby? The power supplies in older computers were notorious for being RF noisy. A lot of reasons why Hams would wrap their computer in tin foil years ago.