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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/TFOQ3F7YQOGE5C6EQPX36QVJ3HDEAABK/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "TFOQ3F7YQOGE5C6EQPX36QVJ3HDEAABK", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/HLSP5D3MLFKTTLGNENRYSZDQMB7LFK6B/?format=api", "sender": { "address": "zack.kd8ksn (a) hotmail.com", "mailman_id": null, "emails": null }, "sender_name": "Zachary Beougher", "subject": "[amsat-bb] Re: GPS for dx-expedition", "date": "2010-09-02T13:27:03Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/KKRYRV5FRAFPITNLDS53USH624WM54LD/?format=api", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ZAQOELQ366PHJRFVTC27KWWHEQAXDXRH/?format=api", "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/RECY3IEZ5C3AYAUC7ZHT2C2CQSSWJWLB/?format=api", "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ESG54UMDHURR76HMDH7REYTC4AWUIZP5/?format=api" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "What is this 'GPSMAP76S'??? If I am understanding correctly, it plots grids \non the GPS screen? If so, is this software or a separate GPS receiver? I \nhave a Garmin Venture HC, would it be applicable to it? It would be a lot \neasier to look down and see what grid you are in on the display rather than \ncalculate it using lat/lon.\n\n73,\n\nZack\nKD8KSN\n\n--------------------------------------------------\nFrom: \"Patrick STODDARD (WD9EWK/VA7EWK)\" <[email protected]>\nSent: Thursday, September 02, 2010 1:33 AM\nTo: <[email protected]>\nSubject: [amsat-bb] Re: GPS for dx-expedition\n\n> Hi Rick!\n>\n>> The number of satellites isn’t the main factor in accuracy, it’s the sat\n>> geometry. A position fix with 4 birds spaced evenly and at a higher \n>> altitude\n>> will give a better position than 8 birds near the horizon bunched around \n>> the\n>> same area of the sky.\n>\n> I understand that. I was only stating that about the VX-8GR as a\n> reason why I don't use that device for establishing my location\n> when working on grid boundaries etc.\n>\n> When I drove out to the DM23/DM24 grid boundary a couple of\n> weekends ago, I was able to easily get the VX-8GR and GPSMAP\n> 76S to line up on the grid boundary line (34 degrees North). In fact,\n> my VX-8GR was chirping away with APRS data on the boundary as\n> I was taking the photos with the GPSMAP 76S sitting with my radios\n> for the VUCC documentation (and the QSL cards). I also have a\n> photo or two of the VX-8GR with 34 degrees North on its display, as\n> additional proof I was out there.\n>\n>> That being said, once SA was turned off in 2000, I’ve rarely had a \n>> position\n>> error greater than 20 feet, even with my older Garmin II+. My HCx, easily\n>> get under 10’ most times.\n>\n> You're right again. It should be easy to get that 20-foot accuracy,\n> and this is stated in the VUCC rules. If the GPS is in good\n> working order, and you're not concerned about having all the latest\n> bells and whistles, an older GPS is certainly capable of meeting\n> the VUCC documentation requirements. My GPSMAP 76S is 7\n> years old, and I don't have any need to replace it. Its firmware\n> has been updated to the final version released by Garmin before\n> it was discontinued, and the only thing I have to do with it is\n> periodically replace the 2 AA batteries that power it.\n>\n> 73!\n>\n>\n>\n>\n>\n> Patrick WD9EWK/VA7EWK\n> http://www.wd9ewk.net/\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", "attachments": [] }