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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/IFANBSG2KPAFN7JTKJJNWWU7ENSVI653/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "CAPovOweW5jv-aVS1P88Bp7zNi+XDd+C7JBwwnCibU6fSA5z02w@mail.gmail.com", "message_id_hash": "IFANBSG2KPAFN7JTKJJNWWU7ENSVI653", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/NU4QTMIQIABVUXOSPY74SBXZHRZVZR6A/", "sender": { "address": "kayakfishtx (a) gmail.com", "mailman_id": null, "emails": null }, "sender_name": "Clayton Coleman", "subject": "Re: [amsat-bb] Expectations...", "date": "2015-01-02T18:07:41Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/6GLLDEPKYJJQTZWXK3LKQVG7MU6OJSOK/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Kelley,\n\nI've been manually moving my VFO for the best packet decodes but I've\nnoticed it's about spot-on with what SatPC32 is telling me. I could\njust turn on the CAT control but seeing as I was experimenting, I\nwanted to fine tune it.\n\nGood luck. I hope we can make an exchange.\n\n73\nClayton\nW5PFG\n\nOn Fri, Jan 2, 2015 at 11:47 AM, Kelley <[email protected]> wrote:\n>\n> Thanks for the info Clayton. I hope to play around with the Doppler on the\n> next pass in a little over an hour. Sometime ago I bought Satpc32 but have\n> never been successful in setting it up for my single IC-760MKIIG. Although I\n> have other CAT programs that work fine with the radio, I can never seem to\n> get that one to work. Seems like it would be a good one to do the Doppler\n> shift with. Any thoughts on how to set this up? Or is one better off doing\n> it manually?\n>\n> Thanks,\n>\n> Kelley - WØRK\n>\n> On 1/2/2015 12:10 AM, Clayton Coleman wrote:\n>\n> The #1 thing I've noticed is how much more important it is to tune for\n> Doppler shift than when the ISS was using the Kenwood radio.\n>\n> I've done several tests decoding packets using my Kenwood TM-D700 which has\n> 5 kHz tuning steps common on most 2m FM radios and then compared results to\n> my Yaesu FT-857D which has much finer incremental tuning.\n>\n> In the past, I could decode most of a pass simply staying on 145.825 MHz.\n> Nowadays, I start decoding around 145.828 and usually by LOS I'm decoding\n> near 145.822.\n>\n> With the smaller tuning steps of the FT-857D I am able to decode about 30%\n> more packets than my TM-D700.\n>\n> Simply put, in the past a fixed station could stay on 145.825 MHz with great\n> results. Today, not so much.\n>\n> 73\n> Clayton\n> W5PFG\n>\n> On Jan 1, 2015 9:10 PM, \"Kelley\" <[email protected]> wrote:\n>>\n>>\n>> I put up a new antenna for ISS work today. It's a home-built 2m turnstile\n>> with reflectors. Numbers wise (SWR, etc., as read on a MFJ analyzer) the\n>> antenna is working. I used the antenna a bit on APRS and was able to hear\n>> stations and be heard by stations.\n>>\n>> I listened to the ISS for 3 passes earlier today. On the first 2 passes I\n>> heard a number of stations, but was unable to digi via the ISS. On the third\n>> pass (about 40 degrees elevation at max and to the south), I was able to\n>> digi via the ISS (sorry if I have the terminology wrong here, I'm somewhat\n>> new at this).\n>>\n>> My question is, how often should I be able to digi via the ISS? Is it\n>> unusual to not be able to on a given pass (all 3 passes were higher\n>> elevation passes)? I know there are collisions and QRM involved and someone\n>> wins out. I don't have the best station (IC-706MKIIG and a turnstile\n>> antenna), I'm sure this plays a part.\n>>\n>> Curious what others have experienced.\n>>\n>> Thanks,\n>> --\n>> Kelley - WØRK\n>>\n>> _______________________________________________\n>> Sent via [email protected]. AMSAT-NA makes this open forum available\n>> to all interested persons worldwide without requiring membership. Opinions\n>> expressed\n>> are solely those of the author, and do not reflect the official views of\n>> AMSAT-NA.\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", "attachments": [] }