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. >>>> >>>
