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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/5EH3C2BIWWKZMDMT47FGGZCUYO2CDTNB/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "5EH3C2BIWWKZMDMT47FGGZCUYO2CDTNB", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/5EH3C2BIWWKZMDMT47FGGZCUYO2CDTNB/", "sender": { "address": "n5uxt (a) hotmail.com", "mailman_id": "a342490f7e9a4e4c9a9460642e57eb1f", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/a342490f7e9a4e4c9a9460642e57eb1f/emails/" }, "sender_name": "Angelo Glorioso", "subject": "[amsat-bb] Re: Looking for a G3RUH dish", "date": "2012-01-05T14:30:17Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "\n\n \n\n\n\n\nDoug and Alan,\n \n The LVB Tracker II will do the same as well. From what I read, to convert a LVB tracker 1 to a LVB tracker II, it requires\na Eprom change and new software load. \n \nhttp://www.g6lvb.com/Articles/LVBTracker2/index.htm\n \n \n73,\n \nAngelo\n\n \n \n \n--------------------------------------------------------- \nIf you don't ask, you will never know!!\n\n \n\n\n> From: [email protected]\n> To: [email protected]; [email protected]\n> Date: Thu, 5 Jan 2012 06:14:47 -0600\n> Subject: [amsat-bb] Re: Looking for a G3RUH dish\n> \n> Doug,\n> \n> FODTRACK does have a GPS input for the location.\n> \n> http://ludens.cl/Electron/fodtrack/fodtrack.html\n> \n> Note that it is a VERY old, DOS program, but according to the web page, with\n> some effort will work with Vista and presumably WIN7. FWIW\n> \n> Alan\n> WA4SCA\n> \n> \n> \n> -----Original Message-----\n> From: [email protected] [mailto:[email protected]] On\n> Behalf Of Doug Faunt N6TQS +1-510-655-8604\n> Sent: Thursday, January 05, 2012 12:39 AM\n> To: [email protected]\n> Subject: [amsat-bb] Re: Looking for a G3RUH dish\n> \n> Speaking of which, can any of the available amateur software packages \n> handle a moving ground station? I'd like to be able to automate the \n> antenna tracking on a boat.\n> \n> 73, doug\n> \n> \n> On 05-Jan-12 05:55, Greg D. wrote:\n> >\n> > Hi Bob,\n> >\n> > I'm trying to visualize you driving (bouncing) down the freeway at 70 mph\n> with a square yard of curved (airfoil!) metal sitting at odd angles to the\n> air flow, trying to aim it at a target you may not be able to see clearly,\n> which is also moving at some rate in another direction, with an accuracy of\n> +/- a half dozen degrees (which is what you get with a dish that size). I\n> had a hard enough time aiming my 30 inch BBQ grill at AO-40, from my nearly\n> stationary house (this is California, after all), with up to date KEPS, a\n> rotor system calibrated earlier against the position of the Sun, NBS-sync'd\n> clock on a Linux PC, and so forth.\n> >\n> > Even if you mount the dish inside a camper minivan with a fiberglass roof\n> (think mobile Radome), I don't see how this is going to work. I've seen you\n> do amazing things, but what are you thinking?\n> >\n> > The best use of the dish would probably be to catch the balloon payload as\n> it falls from the sky...\n> >\n> > Greg KO6TH\n> >\n> >\n> >> From: [email protected]\n> >> To: [email protected]; [email protected]\n> >> Date: Wed, 4 Jan 2012 17:54:02 -0500\n> >> Subject: [amsat-bb] Re: Looking for a G3RUH dish\n> >>\n> >>> Regarding your Cu wire dish... you might look at\n> >>> the Tek Sharp dishes as an easier alternative to \"rolling your own.\"\n> >>\n> >> We are after absolute minimum wind drag. I don't think the Tek dish\n> would\n> >> survive accurate tracking while driving along the interstate at 70 PMPH\n> to\n> >> catch a balloon. And we want it to be a good 3' by 4' dish... Need the\n> >> gain for the tiny wifi video link...\n> >>\n> >> Bob\n> >>\n> >>\n> >>\n> >> I picked one up on ebay about a year ago and put it in my attic...\n> waiting\n> >> for amsat-dl :-)\n> >>\n> >> http://www.plumdragon.com/teksharp/hr_AO-40_products.htm\n> >>\n> >> Drew,\n> >> I have a spare PF dish about 60 cm, but it is steel, not aluminum like\n> the\n> >> G3RUH. I used it on AO-40 for 24 GHz. Let me know off-list if you want\n> it.\n> >>\n> >> 73,\n> >> Jerry, K5OE\n> >>\n> >> ---- previous message ----\n> >> You probably have one of the K5GNA \"BBQ\" dishes. The G3RUH is a solid\n> round\n> >> spun dish.\n> >>\n> >> 73, Drew\n> >>\n> >> -----Original Message-----\n> >>> From: Bob Bruninga<[email protected]>\n> >>> Sent: Jan 3, 2012 2:19 PM\n> >>> To: 'Andrew Glasbrenner'<[email protected]>, 'amsat-bb'\n> >>> <[email protected]>\n> >>> Subject: RE: [amsat-bb] Looking for a G3RUH dish\n> >>>\n> >>>> I'm looking for one of the 60cm G3RUH dishes\n> >>>\n> >>> Got one, (but not available).\n> >>>\n> >>> Questions: I measured reflector grid separation as .88 inches which\n> works\n> >>> out to be about 0.18 wavelength. I always thought the grid had to be\n> >>> tighter than 0.1 inches to be an effective \"surface\".\n> >>>\n> >>> Maybe the difference with almost double the spacing is not that\n> >> significant?\n> >>> (especially for a steel one which would be quite heavy.\n> >>>\n> >>> Reason I am asking is that I also need another S band dish (at 70 MPH on\n> >> the\n> >>> roof of a tracking van) and we are thinking about building one by using\n> an\n> >>> old solid 6' TVRO dish as a form and laying in copper wire and soldering\n> it\n> >>> to copper straps. With all that labor, I'd not want to get the spacing\n> >>> wrong.\n> >>>\n> >>> Bob, Wb4APR\n> >>>\n> >>\n> >> _______________________________________________\n> >> Sent via [email protected]. Opinions expressed are those of the author.\n> >> Not an AMSAT-NA member? Join now to support the amateur satellite\n> program!\n> >> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> >>\n> >> _______________________________________________\n> >> Sent via [email protected]. Opinions expressed are those of the author.\n> >> Not an AMSAT-NA member? Join now to support the amateur satellite\n> program!\n> >> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> > \n> > _______________________________________________\n> > Sent via [email protected]. Opinions expressed are those of the author.\n> > Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> >\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> \n> \n> \n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n \t\t \t \t\t ", "attachments": [] }