SOME SATEL­LITE FACTS

Gadgets and Gizmos (India) - - GPSSYSTEM -

The first GPS

satel­lite was

launched in

1978.

A full

con­stel­la­tion of

24 satel­lites

was achieved

in 1994.

A GPS satel­lite weighs

ap­prox­i­mately 2,000

pounds and is about

17 ft across with the

so­lar pan­els ex­tended.

Their

trans­mit­ter

power is a

mere 50 watts

or less.

There are some

2,500 satel­lites of

all types and

pur­poses or­bit­ing

the earth.

Each GPS

satel­lite is built to

last about 10

years.

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