That was the picture, this is the article http://what-when-how.com/remote-sensing-from-air-and-space/theory-radar-remote-sensing-part-1/
On Tue, Jul 7, 2015 at 2:24 PM, ChemE Stewart <cheme...@gmail.com> wrote: > This is a good article > > http://what-when-how.com/wp-content/uploads/2011/10/tmp1A545_thumb.jpg > > On Tue, Jul 7, 2015 at 2:22 PM, ChemE Stewart <cheme...@gmail.com> wrote: > >> David, >> >> Of course the low frequency square pulses show up on receivers, that is >> how pulsed doppler works! >> >> >> http://www.rfcafe.com/references/articles/images/Signal-Analysis-Modern-Radar-R-S-6.jpg >> >> When it is on (every pulse) a weather radar puts out ~1,000,000 WATTS, >> (32 billion watts EIRP) >> >> Stewart >> >> >> On Tue, Jul 7, 2015 at 2:10 PM, David Roberson <dlrober...@aol.com> >> wrote: >> >>> Come on now Stewart. If you take the time to analyze the spectrum of a >>> pulsed radar signal, you will find that all of the energy is contained in a >>> location surrounding the carrier frequency. Also, how well do you think a >>> dish radar antenna being feed by a bandwidth limited waveguide is going to >>> radiate those 200 to 1000 Hz signals? If you can show me where any >>> significant amount of that low frequency is radiated I will assume that you >>> are knowledgeable in RF design. >>> >>> It is easy to convince people that know nothing about radio and radar >>> systems to be concerned about unimportant issues. And, as everyone knows, >>> statistics can prove just about anything that you wish to prove based upon >>> the restrictions that are placed upon the data that is analyzed. >>> >>> The same type of reasoning is used to keep kids from being vaccinated or >>> cellular antenna locations from being located in the ideal places. We need >>> real science instead of variable statistics to settle these issues >>> properly. >>> >>> Dave >>> >>> >>> >>> -----Original Message----- >>> From: ChemE Stewart <cheme...@gmail.com> >>> To: vortex-l <vortex-l@eskimo.com> >>> Sent: Tue, Jul 7, 2015 1:53 pm >>> Subject: Re: [Vo]:Possible cause for coral reefs dying... >>> >>> Dave, the pulse train is a square wave, with the "on" amplitude approx >>> 900' long or longer depending upon duty cycle, bouncing between >>> clouds/planes and the suface of the ocean >>> >>> Just one weather radar has an EIRP of 32 billion watts of power, which >>> gets ducted and scattered by planes and the atmosphere, more during storms. >>> >>> Mildly shocking biology with every pulse, depending upon impedence >>> >>> Electricity can kill you in a nanosecond, each radar pulse is 1000 >>> times longer that that in duration. >>> >>> Admit it, you sparkies screwed up :) >>> >>> Stewart >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> On Tuesday, July 7, 2015, David Roberson < dlrober...@aol.com> wrote: >>> >>>> The radar pulse rate does not effect the penetration into the water. >>>> In other words, the 200 to 1000 Hz rate is applied to the carrier and does >>>> not independently appear anywhere else. >>>> >>>> Dave >>>> >>>> >>>> -----Original Message----- >>>> From: ChemE Stewart < cheme...@gmail.com> >>>> To: vortex-l < vortex-l@eskimo.com> >>>> Sent: Tue, Jul 7, 2015 8:12 am >>>> Subject: Re: [Vo]:Possible cause for coral reefs dying... >>>> >>>> VLF <https://en.m.wikipedia.org/wiki/Very_low_frequency> radio waves >>>> (3–30 kHz <https://en.m.wikipedia.org/wiki/Hertz>) can penetrate >>>> seawater to a depth of approximately 20 meters. Hence a submarine at >>>> shallow depth can use these frequencies. >>>> >>>> Most of the radars pulse at 200-1000 Hz. >>>> >>>> Most of the coral disease is in shallow water <20 meters >>>> >>>> On Tuesday, July 7, 2015, ChemE Stewart < cheme...@gmail.com> wrote: >>>> >>>>> Except low pulsed frequencies >>>>> >>>>> On Tuesday, July 7, 2015, James Bowery < jabow...@gmail.com> wrote: >>>>> >>>>>> >>>>>> >>>>>> On Tue, Jul 7, 2015 at 1:42 AM, MarkI-ZeroPoint < >>>>>> zeropo...@charter.net> wrote: >>>>>> >>>>>>> This is primarily meant for fellow Vort, ChemEng (Stewart), but >>>>>>> some others may have an interest… >>>>>>> >>>>>>> Stewart, I think I may have a cause for your hypothesis re: a link >>>>>>> between our modern radar systems and the dying of coral reefs… >>>>>>> >>>>>> ... >>>>>>> Time to break out the tin-foil hats??? >>>>>>> >>>>>> >>>>>> No need. Salt water shields against EM penetration. >>>>>> >>>>> >> >
