See my private email to you Ken... -- 73's, and thanks, Dave (NK7Z) For software/hardware reviews see: http://www.nk7z.net
For MixW support see: https://groups.yahoo.com/neo/groups/mixw/info For SSTV help see: http://groups.yahoo.com/neo/groups/MM-SSTV/info On Thu, 2016-03-03 at 14:44 -0700, Ken G Kopp wrote: > On Mar 3, 2016 2:41 PM, "Ken G Kopp" <[email protected]> wrote: > > > Dave, > > > > You shouldn't make finite statements like this. There are some of > > us who > > sometimes know better. > > > > Sounders -do- come in a -wide- variety of formats ... many are > > purposefully wide and use variable sweep rates so as not to be so > > "visible". Some move very slowly. It all depends on the kind of > > information being sought. > > > > In a past life I lived / worked in the shadow of the NBS Labs in > > Boulder, > > who operates one within the City of Boulder. There was another a > > mile away > > from our house in Longmont. That one took about a minute to travel > > across > > 160M. There is one at Weber State in northern Utah. There are > > hundreds > > ... maybe thousands ... in operation all over the world. > > > > I also worked at CU's radio astronomy Lab and used a receiver that > > swept > > 300 kHz to 300 MHz once every second 24/7, so we were all very > > familiar > > with the many, many ionosondes. They make interesting ... and > > varied ... > > traces on the chart recorder. > > > > BTW, if you know what to look for you can often see Jupiter's noise > > on > > your P3. > > > > Then, there are the many wave radars, with several located in the > > restrooms of Oregon's State Parks along the coast. ( We were hosts > > with > > our RV parked about 100' from one.) They're about 50 kHz wide. > > Google > > "Seasonde" for more info on these. > > > > 73 > > > > K0PP > > On Mar 3, 2016 1:19 PM, "Dave Cole" <[email protected]> wrote: > > > > > That is not an ionosonde... They are a pure carrier moving at a > > > steady > > > speed, and they sweep MUCH faster than that. > > > -- > > > 73's, and thanks, > > > Dave (NK7Z) > > > > > > For software/hardware reviews see: > > > http://www.nk7z.net > > > > > > For MixW support see: > > > https://groups.yahoo.com/neo/groups/mixw/info > > > > > > For SSTV help see: > > > http://groups.yahoo.com/neo/groups/MM-SSTV/info > > > > > > > > > On Thu, 2016-03-03 at 11:16 -0700, Ken G Kopp wrote: > > > > Google "Ionospheric sounder". There are lots of them around > > > > the > > > > world that > > > > operate 24/7 and this may be one of them. > > > > > > > > 73 > > > > > > > > Ken Kopp - K0PP > > > > On Mar 3, 2016 11:06 AM, "David Ahrendts" <[email protected] > > > > > > > > > wrote: > > > > > > > > > Does anyone recognize this moving QRM? Last evening 6:30pm. > > > > > Band is > > > > > dead. > > > > > Ambient noise pretty calm. But notice the slowly moving noise > > > > > bumps > > > > > on the > > > > > K3S SVGA display. Might this be weather radar? > > > > > https://vimeo.com/157616344 > > > > > > > > > > David A., KK6DA, LA > > > > > > > > > > > > > > > > > > > > David Ahrendts [email protected] > > > > > > > > > > > > > > > > > > > > > > > > > _____________________________________________________________ > > > > > _ > > > > > Elecraft mailing list > > > > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > > > > Help: http://mailman.qth.net/mmfaq.htm > > > > > Post: mailto:[email protected] > > > > > > > > > > This list hosted by: http://www.qsl.net > > > > > Please help support this email list: http://www.qsl.net/donat > > > > > e.html > > > > > Message delivered to [email protected] > > > > > > > > > ______________________________________________________________ > > > > Elecraft mailing list > > > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > > > Help: http://mailman.qth.net/mmfaq.htm > > > > Post: mailto:[email protected] > > > > > > > > This list hosted by: http://www.qsl.net > > > > Please help support this email list: http://www.qsl.net/donate. > > > > html > > > > Message delivered to [email protected] > > > ______________________________________________________________ > > > Elecraft mailing list > > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > > Help: http://mailman.qth.net/mmfaq.htm > > > Post: mailto:[email protected] > > > > > > This list hosted by: http://www.qsl.net > > > Please help support this email list: http://www.qsl.net/donate.ht > > > ml > > > Message delivered to [email protected] > > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
