You would have to add them up need more info on the returned video
Effective not effectove. These are guidelines:
Be brief.
Have a short opening sentence or paragraph that puts the matter in context.
Use the middle paragraph(s) to cover the matter(s) in hand.
Close with a clear agreement of what will be done, by whom, and by when.
A Savings Vehicle is an effective way to hold your savings. It could be a savings account. But some requires a high minimum balance such as Certificate of Deposit (CD). It is generally issued by commercial banks. It is a time deposit too and restricts you from withdrawing funds.
You need a radio transmitter that transmits some kind of radio wave signal, and an array of satelites to compare the postion to other parts of the world.
Hope this helps!