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GET /hyperkitty/api/list/[email protected]/email/IPMXIPY35DQ43M7I3U47CJTUMLU232A5/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/IPMXIPY35DQ43M7I3U47CJTUMLU232A5/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "IPMXIPY35DQ43M7I3U47CJTUMLU232A5", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/TQS5D2B3V6WQT7E3ZNQL33UIGSFT3CBZ/?format=api", "sender": { "address": "morsesat (a) optonline.net", "mailman_id": "72f51eafcada419487d1a984af73dff5", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/72f51eafcada419487d1a984af73dff5/emails/?format=api" }, "sender_name": "Dee", "subject": "[amsat-bb] Re: SSB, SatPC32 and Doppler (was Two Questions)", "date": "2011-09-23T15:42:44Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/TQS5D2B3V6WQT7E3ZNQL33UIGSFT3CBZ/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "All & Steve,\nVery good procedure Steve. Let us not get hung up on operating\nsystems. The last time I recommended SATPC32 to be purchased by\nsomeone to update their system and also donate to AMSAT to help out\nour satellite funds for future sats, I was chastised for suggesting\na Windows program instead of Linux or another op system.\nI have been the recipient of many phone calls routed from Martha as\none of the people to assist getting SATPC32 to function that I can\nactually say I learned a lot from these questions. Doppler\ncorrections on my rig (IC-910) can also be corrected by \"RIT\" on the\nrig itself. I listen for my voice on an unused freq (if available)\nand adjust the RIT setting for clarity. Then I go to someone\ncalling CQ or finishing a QSO and call them. Works fine for me.\nWhile at field day, I answered many questions about how tuning goes\nfor SSB and FM Birds. At flea markets I have a set up for the birds\nwith a IC-910 and a SATPC32 controlled G5400 setup with a split\narrow antenna and make as many contacts as time permits- Most of\nthe time, I get to sell a program or 2 since they see it's use and\n\"Promise\" to answer questions if they have any when the y buy it.\nThis is why I am an AMSAT coordinator here in NJ and try to pass on\nwhat I have learned since Late 70's of satellite ops. Yes, I miss\nthe HEO sats and enjoyed them while they were around. Our sights as\nsatellite user's must be on the future to get an HEO or MEO\nsatellite in orbit. If our membership is to grow we have to start\nattracting satellite user's to our ranks by adding their support for\nour activities. (Advertisement???)\nPresently, ARISSat1 is in the forefront. It is operating fine and\nif you haven't heard it yet, listen on 145.950 +-doppler for a good\nsignal voice announcements and SSTV. You may find they call this\nsatellite \"radioskaf-B\" in the keps list.\nAnyway, follow Steve's procedure and you can't lose. I worked FO-29\nYesterday and there were about 6 people using that bird.\n73,\nDee, NB2F\n\n-----Original Message-----\nFrom: [email protected] [mailto:[email protected]]\nOn Behalf Of Stephen E. Belter\nSent: Friday, September 23, 2011 7:42 AM\nTo: AMSAT-BB\nSubject: [amsat-bb] SSB, SatPC32 and Doppler (was Two Questions)\n\nThis e-mail is my feeble attempt to provide a helpful response to\nhow to set-up SatPC32 for Doppler correction when operating SSB.\nI'm not an expert, but I just went through this process because I'm\nmigrating from Nova to SatPC32.\n\nSince I'm out-of-town, I don't have access to my satellite station,\nso I'm doing this from memory. I also deleted your original post,\nas I was hopeful that an expert would step forward to help you.\n\nYour station is fine, with the Kenwood TS-2000 (?) and SatPC32.\nYour success operating the FM satellites is a good proving ground.\n\nHere is the approach I took:\n\n(1) Install SatPC32, update the Keplarian elements, and synchronize\nthe PC clock to a national standard like WWV/NIST.\n\n(2) Get your radio and SatPC32 communicating, and verify the\noperation (including Doppler correction) using the FM satellites\n(AO-27, SO-50, and AO-51).\n\n(3) Wait for a good pass of VO-52, for example 60+ degrees maximum\nelevation. I suggest VO-52 because it is the newest (compared to\nAO-7 and FO-29), it is more tolerant of using too much transmit\npower, and it has the smallest transponder correction.\n\n(4) Open the \"CAT\" window. You can move the Window so that it\ndoesn't block access to the main SatPC32 window. Tune the radio\nabove the center of the satellite passband to reduce the QRM to\nother users. Make sure you are in SSB mode on the radio (\"C-\" on\nSatPC32).\n\n(5) Using your call and \"Test 1-2-3\", listen for yourself while you\nare transmitting. You probably won't hear yourself at all, at least\nI didn't. Using the +100 and -100 buttons in the Transmit\nCorrection part of the CAT window, try to find yourself. For VO-52,\nyou should hear yourself within +/- 1500 hertz. (I think I was\nabout +800, but that is from memory.)\n\n(6) Once you hear yourself using the +/-100 buttons, fine tune\nusing the +/-10 buttons.\n\n(7) You can improve the tuning of your uplink/downlink using CW\nmode (\"C+\" on SatPC32). Zero-beat the Kenwood's CW sidetone with\nyour received signal.\n\n(8) *Save* the result by using the \"Save\" button in the CAT window.\nWhen given the choice, save the transmitter correction.\n\n(9) Verify that things are working by working a few VO-52 QSOs.\n\n(10) Repeat using FO-29 and AO-7, in that order. You may need to\nsearch over a wider frequency range (+/-3000 hertz).\n\n(11) One other important change when moving from FM to SSB. Your\npower output is important! Learn how to reduce your power and use\nthe minimum power needed to hear yourself on the satellite. If you\nuse too much power, you'll trash other conversations on the\nsatellite and your transmissions will be badly distorted!\n\nGood luck!\n\n73, Steve N9IP\n--\n\n\n\n_______________________________________________\nSent via [email protected]. Opinions expressed are those of the\nauthor.\nNot an AMSAT-NA member? Join now to support the amateur satellite\nprogram!\nSubscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n\n\n", "attachments": [] }