1.

Define Luhf?

Answer»

The lowest useful HF for a GIVEN distance and transmitter power is DEFINED as the lowest frequency that will give satisfactory reception for that distance and power.

It depends on:

  • The effective radiated power
  • Absorption character of ionosphere for the paths between transmitter and receiver.
  • The required field strength which in turn depends upon the radio NOISE at the receiving LOCATION and type of service INVOLVED.

The lowest useful HF for a given distance and transmitter power is defined as the lowest frequency that will give satisfactory reception for that distance and power.

It depends on:


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