Why don't the makers of digital boxes put a ground wire with there plug?

Question:

I can't get steady reception and if you touch the antenna it comes in steady which grounds the signal so why can't the manufactures just put a ground wire in the plug.

Answers:

The fact that touching the antenna makes it work better tells me you need a better antenna that will capture more signal. An outdoor antenna would be best. For assistance in choosing the proper antenna for your location, visit