RE: Ambient noise limits for OATS?

2002-01-24 Thread Pettit, Ghery
ce requirements. How you make it useable is the fun part. Ghery -Original Message- From: Cortland Richmond [mailto:cortland.richm...@alcatel.com] Sent: Thursday, January 24, 2002 12:56 PM To: Pettit, Ghery Cc: 'Gelfand, David'; emc-p...@majordomo.ieee.org Subject: Re: Ambi

Re: Ambient noise limits for OATS?

2002-01-24 Thread Cortland Richmond
Fortunate? Good fortune, or bad? Heh! Cortland (I didn't write a thing that speaks For my employer at all; If anything I say is wrong, I'm the one to take the fall!) "Pettit, Ghery" wrote: > David, > > Ideally an OATS should have no ambient signals within 6 dB of the lowest > limit that you i

RE: Ambient noise limits for OATS?

2002-01-24 Thread richwoods
Clause 16.4 of CISRP 16-1 has a specification for ambient noise. Clause 5.1.2 of IEEE C63.4:2000 basically says the ambients are to be 6 dB below the signals. If the site is located anywhere near civilization, you can forget that. Your customer will probably have to learn to live with the noise li

RE: Ambient noise limits for OATS?

2002-01-24 Thread Pettit, Ghery
David, Ideally an OATS should have no ambient signals within 6 dB of the lowest limit that you intend to use. Now, after everyone has had their laugh and picked themselves up off the floor, let's look at the practical aspects. There are very few OATS facilities in the world that meet the requir