optimum working frequency


Also found in: Acronyms.

optimum working frequency

[′äp·tə·məm ′wərk·iŋ ‚frē·kwən·sē]
(communications)
The most effective frequency at a specified time for ionospheric propagation of radio waves between two specified points. Also known as frequency optimum traffic; optimum traffic frequency.
References in classic literature ?
No gentleman were admitted, so Jo played male parts to her heart's content and took immense satisfaction in a pair of russet leather boots given her by a friend, who knew a lady who knew an actor.
The mother played her accompaniments and at the same time watched her daughter with greedy admiration and nervous apprehension.
The trick's played," I went on; "they've successfully worked their plan.
The Swineherd--that is to say, the Prince (though they did not know he was anything but a true Swineherd)--let no day pass without making something, and one day he made a rattle which, when it was turned round, played all the waltzes, galops, and polkas which had ever been known since the world began.
At the second note the hangman let his prisoner go, and danced also, and by the time he had played the first bar of the tune, all were dancing together--judge, court, and miser, and all the people who had followed to look on.
Archibald finally took the hole in twelve after Gossett had played his fourteenth.
It is a mixture of "hop-scotch" and shuffleboard played with a crutch.
Because he could not join in the games which other boys played, their life remained strange to him; he only interested himself from the outside in their doings; and it seemed to him that there was a barrier between them and him.
All day long they played, and in the evening they came to the Giant to bid him good-bye.
I have heard people say that they would rather not see Shakespeare played than to see him played ill, but I cannot agree with them.
And, be it remembered, the heroes of Hambledon played for money and renown only, while David was champion of a lady.
O-Tar himself might have played for you had you not angered him, but now you will be played for in an open game by slaves and criminals, and you will belong to the side that wins--not to a single warrior, but to all who survive the game.