... consists of 6 bands with a total of 60 MHz width ineither direction with a guard space of 20 MHz in between. Frequencybands A, B, and C are each 15 MHz wide in either direction. BandsD, E, and ... any part of it without McGraw-Hill’s prior con-sent. You may use the work for your own noncommercial and personal use; any other use of the work is strictly prohibited. Yourright to use the ... frequency, the type of antennasused, antenna heights, atmospheric conditions, and so on, and it mayalso vary because of shadowing caused by terrain and clutter such ashills, buildings, and other obstacles....