Estimates the decibel loss over distance, given specific atmospheric conditions.
此网页已设置技术上必需的cookies，以便我们为用户提供服务。同时也设置了用于存储您当前隐私设置的cookie（选择cookie）。
除了选择cookie之外，我们只会在您事先同意的情况下使用技术上非必需的营销cookie和跟踪机制，以便为您提供定制化的服务。
Enter your e-mail address to be notified when updated versions of PREVIEW are available
No thanks, I just want to Download PREVIEW
Thank you! Your download will begin shortly. If the download doesn't start, click here
Please enter your information below and we will get back to you.
Thank you, your request has been submitted.
This is optional, but can you provide more details about the venue?
Thank you!