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GET /hyperkitty/api/list/[email protected]/email/YVXDXSIKIOWDSCYHHBD5ZXR22LAQJVNT/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/YVXDXSIKIOWDSCYHHBD5ZXR22LAQJVNT/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "YVXDXSIKIOWDSCYHHBD5ZXR22LAQJVNT", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/MNGBKCO7FTKBLU56IKRA7B2UOV2WOVO2/?format=api", "sender": { "address": "aa2tx (a) comcast.net", "mailman_id": null, "emails": null }, "sender_name": "Anthony Monteiro", "subject": "[amsat-bb] Re: Antenna advice", "date": "2008-01-05T01:30:59Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/MNGBKCO7FTKBLU56IKRA7B2UOV2WOVO2/?format=api", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/I2TEI3OVDKBLTNMQKFBFLFWE4NK3TUZV/?format=api" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "At 06:01 PM 1/4/2008, Jeff Mock wrote:\n>I'm new to satellite stuff. I got an Arrow-II antenna to get started.\n>It works pretty well. I live in San Francisco and I can go on the deck\n>or hang out the window and hear the easy satellites.\n>\n>I would like to graduate to sitting in a chair, inside, with two free\n>hands, while working a satellite. What is a good choice for the next\n>step up for an antenna that I can install on a flat roof for mode-J\n>operation?\n>\n>Do I need an az-el rotator for the next step up or is there some\n>cheaper/simpler solution? It will be about a 75-foot cable run from a\n>roof antenna to my radio, will I need a mast-head type preamp for the\n>receiver?\n>\n>thanks,\n>jeff\n\nHi Jeff,\n\nYou can work all of the SSB and FM LEO satellites with just omni-directional\nantennas. I personally managed to get VUCC-satellite (#58,) 49 \nstates, and about\n40 countries on LEO satellites using just omni antennas.\n\nI think I may have one of the longest distance qsos on a LEO sat at\n7084 Km using only omni antennas (but Bruce VE9QRP and his\n\"International Panel of Judges\" may have a comment on that! :)\n\nFor mode B (VO-52 and AO-07) you do not need a preamp as long as you use\nlow loss coax. Shoot for 1 dB total loss to the antennas. I use\nLMR-400 and LMR-600 depending on the length and band.\n\nFor mode J, a preamp at the antenna is essential for all cases,\neven with a beam.\n\nIn any case, I can highly recommend the \"EZ-Lindenblad\" for\na 2m antenna in the August 2007 QST:\n\nhttp://www.arrl.org/qst/2007/08/monteiro.pdf\n\nSo, to more directly answer your question, you can certainly\nmake lots of satellite qsos without needing an AzEl rotor\nsystem It is more difficult using omni's but once you get the\nhang of it it is not that difficult.\n\nwelcome to satellites and 73,\nTony AA2TX\n\n", "attachments": [] }