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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/JSEPNLODRNG33O7SA2XFNLICNSJNVO42/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "CAPovOwfWpEGtHQuoNr4+GMbwNXYMfdCEM-c7Xk_Mc+xAzimhuw@mail.gmail.com", "message_id_hash": "JSEPNLODRNG33O7SA2XFNLICNSJNVO42", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/DPZC5SK5D54RYAFPQTFOYLXVR5HSBUJS/", "sender": { "address": "kayakfishtx (a) gmail.com", "mailman_id": null, "emails": null }, "sender_name": "Clayton Coleman", "subject": "[amsat-bb] Re: a cheap LEO tracker for single op", "date": "2013-05-29T00:41:40Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/XVMBHD5ZRWOBESAV7NFDYFQSDI25KKCP/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Anderas,\n\nI don't dispute the merits of a fully automated station. Your point was\nmade very eloquently! AO-7 is only a couple of years older than me and I\nlove using it.\n\nIn the spirit of \"Field Day\" I do think simple is better. That's just my\nopinion...\n\n73\nClayton\nW5PFG\nOn May 28, 2013 7:37 PM, \"Andy Kellner\" <[email protected]> wrote:\n\n> Clayton,\n>\n> good stuff. You are certainly right, a rotor, PC and computer based\n> doppler correction are all optional.\n> There is a certain thrill in working SO 50 with a 10 W HT and a hand held\n> arrow antenna, and pretty rewarding to.\n>\n> But honestly, when you work AO-7 on SSB with your fully automated ground\n> station - happily correcting your RX/TX frequencies in 10 Hz. intervals\n> controlled from one laptop, and your fully automated homebrew tracking AZ /\n> EL rotors clicking away controlled from another laptop, your full duplex\n> 'Earth Station' FT 847 producing a crystal clear signal from a 40 year old\n> bird limping along on ancient solar panels and all you have to do is press\n> the PTT button - that puts a smile on your face, too :)\n>\n> Anderas - VK4TH\n>\n>\n> ________________________________\n> From: Clayton Coleman <[email protected]>\n> To: Bill (W1PA) <[email protected]>\n> Cc: AMSAT-BB <[email protected]>\n> Sent: Wednesday, 29 May 2013 9:33 AM\n> Subject: [amsat-bb] Re: a cheap LEO tracker for single op\n>\n>\n> I'm not sure why a rotor or PC is needed. I have made many contacts in the\n> past two years with an Arrow antenna (hand driven) and an IC-910 (manual\n> Doppler correction.) With a little practice, it's really not difficult.\n> The trick is to practice, practice, practice. Y\n>\n> Over the weekend I made contacts on all the active satellites with no PC,\n> no rotor, and no big arrays. Sure, Field Day will be a little more\n> difficult. Be prepared. Pick your passes wisely. If you're on the East\n> Coast don't pick a pass centered over North America. Choose one out over\n> the Atlantic so that less stations will be in the footprint.\n>\n> Last year, I snuck onto SO-50 in the middle of the night with nothing but\n> an Arrow and ten watts. I'm not sure it'll be so easy this year\n> considering that the recently published QST article will draw some fresh\n> blood.\n>\n> I'm glad this is getting discussed now. Maybe more stations will decide to\n> dust off the gear and try contacts now rather than \"wing it\" for their 100\n> bonus points.\n>\n> I am a firm believer in the KISS principle and also \"Train for how you will\n> operate; operate how you train.\"\n>\n> 73\n> Clayton\n> W5PFG\n>\n>\n> On Tue, May 28, 2013 at 11:57 AM, Bill (W1PA) <[email protected]> wrote:\n>\n> > Let me ask this another way...\n> >\n> > Assuming minimal setup prior to each pass, can I track a LEO with a\n> single\n> > rotor well enough for QSO’s? (single rotor control in one hand,\n> > VFO/Doppler on my other)\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> 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": [] }