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GET /hyperkitty/api/list/[email protected]/email/PUXIBJQLXKMMM7O5DBUILAM4UHGNF3OH/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/PUXIBJQLXKMMM7O5DBUILAM4UHGNF3OH/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "PUXIBJQLXKMMM7O5DBUILAM4UHGNF3OH", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/PUXIBJQLXKMMM7O5DBUILAM4UHGNF3OH/", "sender": { "address": "k6vug (a) sbcglobal.net", "mailman_id": "37fd9aee884c4835a5c51104b6295d3a", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/37fd9aee884c4835a5c51104b6295d3a/emails/" }, "sender_name": "[email protected]", "subject": "[amsat-bb] Fw: Fixed Antenna", "date": "2020-05-10T00:40:26Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": " resending to the correct BB email address...\n- Umesh\n\n ----- Forwarded Message ----- From: [email protected] <[email protected]>To: Randy Davenport <[email protected]>Cc: \"[email protected]\" <[email protected]>Sent: Saturday, May 9, 2020, 4:58:29 PM PDTSubject: Re: [amsat-bb] Fixed Antenna\n Please also see https://www.rtl-sdr.com/simple-noaameteor-weather-satellite-antenna-137-mhz-v-dipole/\n73!Umeshk6vug\n\n\n On Saturday, May 9, 2020, 4:52:52 PM PDT, [email protected] <[email protected]> wrote: \n \n \nBasically it is a inverted Vee made with stiff wire but mounted horizontally. \nThe arms of the Vee facing into the AOS and along the path of the pass. \n\nThis article should help - Center-fed Horizontal V-dipole\n\n| \n| \n| | \nCenter-fed Horizontal V-dipole\n\nKK4OBI\n\nDiscussion about Horizontal, Center-fed, V-dipoles. Gain, impedance, SWR, changes in characteristics with change...\n |\n\n |\n\n |\n\n\n\n\nSee 3rd paragraph, six to 12 feet off the ground/roof decouples it quite well from the surrounding. \nJust run the coax along the vertical support. \n\nWorks best for NOAA and loud birds like AO-91, AO-92. \n\nNOAA image - noaa-18-201902021712-hvct_cm97.jpg\n\n| \n| \n| \n| | |\n\n |\n\n |\n| \n| | \nnoaa-18-201902021712-hvct_cm97.jpg\n\nNOAA 18 southbound 60W at 02 Feb 2019 17:13:33 GMT on 137.9125MHz, HVCT enhancement, Normal projection, Channel ...\n |\n\n |\n\n |\n\n\n\n\n\n73!Umesh\n\n\n\n\n\n On Saturday, May 9, 2020, 3:47:37 PM PDT, Randy Davenport <[email protected]> wrote: \n \n How does a horizontal vee dipole work with the ham says?Randy ka4nma\nOn Sat, May 9, 2020, 5:53 PM k6vug--- via AMSAT-BB <[email protected]> wrote:\n\n If you are ok with a nuts, bolts and small tools, a horizontal-Vee dipole is a great fun project to do and use, \nI demo NOAA WX sats with it. \n\n73!Umeshk6vug\n\n\n\n\n\n On Saturday, May 9, 2020, 12:45:52 PM PDT, Pedro Converso via AMSAT-BB <[email protected]> wrote: \n\n If you have a piece of 300ohm TV line, I have had reasonable success\nwith this simple low SWR, dual band antenna, specially on the more\ncommon low elevation passes:\n\nhttp://amsat.org.ar/Dual-Band_VHF-UHF_Twinlead_J-Pole_Antenna_pdf-notes_201903101154(1).pdf\n\n73, lu7abf, Pedro\n\nOn 5/9/20, GEO Badger via AMSAT-BB <[email protected]> wrote:\n> Oops, this should have gone to the list. My two way wrist watch is acting\n> up.\n> Or build a j-pole for 70cm. All these can be built inexpensively with items\n> from your local home improvement store. You might also contact local hams.\n>\n> BTW, since it is for RX only, the dimensions aren't very critical.\n> ---\n> Ciao baby, catch you on the flip side\n> 73 de W3AB/GEO\n>\n> http://www.w3ab.org\n>\n> You can say \"over\", you can say \"out\", you just can't say \"over and out\".\n>\n> On Saturday, May 9, 2020, 11:32:23 AM PDT, Gregory Beat via AMSAT-BB\n> <[email protected]> wrote:\n>\n> START with SIMPLE ... Build a Vertical Dipole for 70cm,\n> then LISTEN to RS-44 beacon and linear transponder.\n> https://amsat-uk.org/2020/04/30/dosaaf-85-rs-44-amateur-radio-transponder-activated/\n>\n> 20 years ago, Jerry Brown, K5OE wrote a series of DIY Antenna Construction\n> articles, some of these were published in the Amsat Journal. These\n> satellite and VHF/UHF antennas were built by countless AMSAT members across\n> the world.\n> http://wb5rmg.somenet.net/k5oe/\n>\n> Eggbeater II Omni LEO Antenna\n> http://wb5rmg.somenet.net/k5oe/Eggbeater_2.html\n>\n> Texas Potato Masher II Antenna\n> http://wb5rmg.somenet.net/k5oe/Texas_Potato_Masher_2.html\n>\n> 70cm Quagi Antenna\n> http://wb5rmg.somenet.net/k5oe/70cm_quagi.html\n>\n> Jeff, K7XQ had problems with all Eggbeater designs (not impressed with\n> performance).\n> He developed a Tall Quadfillar Helix Antenna ... but no longer posted on web\n> page.\n>\n> greg, w9gb\n> AMSAT-NA, AMSAT-UK\n> ==\n>\n> Date: Sat, 9 May 2020 10:53:55 -0600 (MDT)\n> From: James Johnson, VA7CND\n> To: AMSAT-BB Reflector\n> Subject: [amsat-bb] Fixed Antenna\n>\n> I have been trying to find a used Eggbeater or similar antenna to use to\n> listen for Satellites.\n> The exchange on the USD to CND currency is a killer. I noticed many plans to\n> build one on the internet. Any suggestions which one would be worth trying\n> for RX to start?\n>\n> 73, VE7HJ\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: https://www.amsat.org/mailman/listinfo/amsat-bb\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: https://www.amsat.org/mailman/listinfo/amsat-bb\n>\n_______________________________________________\nSent via [email protected]. AMSAT-NA makes this open forum available\nto all interested persons worldwide without requiring membership. Opinions expressed\nare solely those of the author, and do not reflect the official views of AMSAT-NA.\nNot an AMSAT-NA member? Join now to support the amateur satellite program!\nSubscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb\n\n_______________________________________________\nSent via [email protected]. AMSAT-NA makes this open forum available\nto all interested persons worldwide without requiring membership. Opinions expressed\nare solely those of the author, and do not reflect the official views of AMSAT-NA.\nNot an AMSAT-NA member? Join now to support the amateur satellite program!\nSubscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb\n\n \n", "attachments": [] }