This article is from the TeleVision Receive Only Satellite-TV FAQ, by TVRO Hobbyists drlev@hotmail.com with numerous contributions by others.
Audio tuning is not too difficult. The audio portion of a satellite
channel is separate from the video portion, so audio-only
transmissions can be on the same transponder as audio/video television
programming. Audio frequencies range from 5.0 to 8.5 MHz. Make sure
you also select whether the transmission is either wide, normal, or
narrow audio. Audio tuning is usually done via the receiver's
on-screen menu; refer to your receiver's manual for information
specific to your particular model of receiver.
 
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