@Gene Heskett ... on this side of the ocean when a motorcyclist with a modern motorcycle crosses a motorcyclist with a vintage motorcycle it is customary to make the gesture to touch your hat as a sign of respect ... well, there is a reason there . Now I do it ideally to you and leave the discussion to the gentlemen. never used a radio station ... of any kind .... and unfortunately ... although the radio was born in my part ... I never cared.
Il giorno gio 2 mag 2019 alle ore 06:01 Gene Heskett <[email protected]> ha scritto: > On Wednesday 01 May 2019 22:02:01 Gene Heskett wrote: > > > On Wednesday 01 May 2019 21:09:11 bari wrote: > > > There are some younger versions still around, we just don't like to > > > brag :) > > > > Hang out a shingle then. Radio people are getting desperate. > > And I should add that TBT, I have enough on my plate already. But its a > job thats going begging. If I was out of pocket for more than 6 hours in > the middle of the night, I'd have to hire a caretaker for my wife. Shes > broken a hip and a leg in the last 2 years, hobbles with a walker 15 > feet to a potty chair I have to dump and I do the food for both of us > too. > > > > > Back in the early 80's I wrote antenna design software for microwave > > > in Basic using Dos 2.1 on 8MHz PC's. It would take hours days to > > > print out results on a dot matrix printer. I came across and old > > > copy of it and it ran in seconds on a modern PC. > > Thats generally Chebyshev stuff. Most ATU's are some form of a pi > network, not more than 5 or 7 poles as it has to be fairly broadband. I > think the only butterworth I ever saw was in the directional array at > KOTA-AM. Elmer Nelson, the designer of that was rather proud of the FCC > mandated null point, we could drive across it and for about 20 feet it > was gone. A kilowatt one mile away. Some sideband noise but not enough > to tell what the song playing was. That null was 20 some db deeper than > the commish specified. He also did some microwave filters, that combined > with the 30 db of cross polarization, made it possible to do a two-way > link from the middle of Agate Beds National Monument in western Nebraska > to R.C.S.D., doing the program and commercial switching for KDUH-tv > located about 30 miles east of the Monument. One 7GHz dish pointed each > way, at the studios, the KOTA-tv transmitter site on Skyline Drive, a > shack in the middle of nowhere called Hermosa SD, to a knob sticking out > of Battle Mtn just north of Hot Springs SD, and 90 miles across the top > of Pine Ridge back to the Monument, then east to the transmitter site. > We had to shave the brush on Pine Ridge about every 4 or 5 years as it > was well within the first fresnel zone. > > That Chebyshev stuff plays hell with group delay when its a 90 db brick > wall cutoff 2 or 3 MHz from the edge of the channel, so Elmer designed a > delay corrector that worked at the 70 MHz if of his receivers, getting > rid of 99% of the edge breakups in the pix. Elmer was Tepco, but that > was no connection to Tokio Electric( think Fukushima ). And that > dominates a google lookup today It may still exist, but not Elmer > unless he's made it well to north of 100 yo. Was in a metal building > about 2 mi south of R.C.S.D. on highway 79 the last time I was there > in '92 or '93. And Elmer looked in failing health then. As most anyone > 90 yo does. I don't like mirrors anymore myself. > > He was the CE at KOTA at the time while I was a fresh 1st phone. 1960's. > But Helen Duhamel ran us all off. She was difficult to please. Her son > Bill, still thinks he can get a CE for 15k$ a year. I just chuckled and > said offer 4x that if you want a real engineer and walked away. > > I'd go back for the right money except Rapid City is not the same place > since the flood in 72. Now? No way. All the displaced people bought up > all the accessible land all the way to Deerfield Lake, and put up no > trespassing signs. Then they write letters to the editor because they > are smashing up their cars running into the deer they won't let the > hunters cross their 50 yard wide strip to harvest. > > There's a hundred square miles of those black hills that haven't had > human footprints in the snow since the mid 70's. Buncha libtards. It > was a hunting and fishing paradise before the flood. > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
