Category: Communications

Solution: What is the refractive index of an ionosphere layer

Solution: What is its critical frequency?

Solution: What is the best frequency to use?

Solution: Determine the critical frequency value of an HF signal

Solution: What is the index of refraction of a certain substance

Solution: Determine the refractive index of an ionosphere layer

Solution: What is the critical frequency if the maximum number of free electrons

Solution: What is the free space loss between two microwave parabolic antennas

Solution: Determine the effective radiated power of 20 kW TV broadcast transmitter

Solution: Calculate the electric field intensity in millivolts per meter at 30 kW