Elements Of Remote Sensing
Which one of the following statements is correct regarding the GPS satellites?

The nominal altitude is about 20,200 km
The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)
The inclination of axis satellite is 55°
All of these

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Elements Of Remote Sensing
Which one of the following statement is incorrect regarding the electromagnetic radiation?

The oscillation of charged particles sets up changing electric fields
None of these
These are produced by the motion of electric charge
The changing electric fields induce the changing magnetic fields in the surrounding medium

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Elements Of Remote Sensing
‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct?

Height displacement of A and B is equal
Height displacement of A and B will be towards each other
Height displacement of A will be less than that of B
Height displacement of B will be less than that of A

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