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Jon, It has been a very long road to get to the point where some of these are going to actually be deployed aboard submarines. Now that these will be submarine mounted, the members themselves will run them thru the real paces we need and we will find the true limitations of such a communications system. This was designed and built not to outdo anything already on the market, but to simply be a cheaper alternative to those not diving quite so deep and a bit closer to shore. I really meant to say in my earlier statement was that if this works well in salt water also, 35' in depth would be a great first attempt at using them in a multiple transmitter environment. Deeper results will be had once more dives are performed with them aboard. I have done my best...I am now going to rest a while and await results good or bad. David Bartsch > Date: Mon, 12 Apr 2010 11:32:32 -0400 > From: jonw@psubs.org > To: personal_submersibles@psubs.org > Subject: Re: [PSUBS-MAILIST] in-water testing session completed > > > David, > > Thanks for your research and work on this project. > > We still need open water testing in depths approaching PSUB capability > since the shallow water likely set up many reflections that either > helped or hindered the range. I would concentrate further testing > efforts at finding someone who can perform deep water (150-300 feet) > testing in open water. I have no idea if the results will be better or > worse, but it seems like it is data we should have for completeness. > The 420 feet horizontal distance you reached exceeds the range of K-sub > operational limits, so knowing how the unit operates at depth and with > an equal or greater area of width (300 foot cube?) is important. I'm > not sure 35 feet of salt-water at the convention is an ideal test bed, > however it will certainly be interesting to compare salt-water results > with this unit to those I found with the pinger up in Maine. > > Jon > > > > > > > ************************************************************************ > ************************************************************************ > ************************************************************************ > The personal submersibles mailing list complies with the US Federal > CAN-SPAM Act of 2003. Your email address appears in our database > because either you, or someone you know, requested you receive messages > from our organization. > > If you want to be removed from this mailing list simply click on the > link below or send a blank email message to: > removeme-personal_submersibles@psubs.org > > Removal of your email address from this mailing list occurs by an > automated process and should be complete within five minutes of > our server receiving your request. > > PSUBS.ORG > PO Box 53 > Weare, NH 03281 > 603-529-1100 > ************************************************************************ > ************************************************************************ > ************************************************************************ > Hotmail is redefining busy with tools for the New Busy. Get more from your inbox. See how. |