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Calculate MVF for given path.

Explain mechanism of ionospheric propagation. A high frequency radio link has to be established between two points at a distance of 2000 km, on the earth's surface. Considering the height of 200 km and critical frequency of 5Mhz.Calculate MVF for given path.

Mumbai University > Electronics Engineering > Sem 5 > Electromagnetic Engineering

Marks: 8 Marks

Year: Dec 2014

1 Answer
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  1. Mechanism of ionosphere propagation:
  2. Given:

    h = 200 km

    d = 2000 km

    $f_c$ = 5MHz

    To find: MUF = ?

    Solution : $MUF=f_c \sqrt{1+\bigg(\dfrac{d}{2h}\bigg)^2} \\ MUF=(5 ×10^6 ) \sqrt{1+\bigg(\dfrac{2000 ×10^3}{2 ×200 ×10^3}\bigg)^2} \\ MUF = 25.495 MHz$

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