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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/M7LPYLZK2G56D6JH2UEHXH4XD3UD7Z7N/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "M7LPYLZK2G56D6JH2UEHXH4XD3UD7Z7N", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/NNFTBHVKHIJC5RLLPSIKLIL6CUSUKXGN/?format=api", "sender": { "address": "wa5vjb (a) flash.net", "mailman_id": "542e9d070f55492f953bc190bd8cff2d", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/542e9d070f55492f953bc190bd8cff2d/emails/?format=api" }, "sender_name": "KENT BRITAIN", "subject": "[AMSAT-BB] Re: Feeding M2 Eggbeaters", "date": "2021-01-14T15:17:52Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/SDBEK3JUZK4ZAG5U6XB6ZAS6BAYLTGZF/?format=api", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/YG5GOQV55MZQXBSMHY2YFCW23IUX3NQJ/?format=api" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": " Hi Fred:\nAll depends on the voltage breakdown rating of the 4.7 and 10 pf caps.Something like Silver Mica's with 100+ voltage ratings should be good to 100 watts or so.Some 1000 volt doorknobs, close to a KW.\nRegarding your breakdown version. One backpacker made his out of soft wire. He kind of wands it up and stuffs it in his backpack. When he gets to his hilltop, he 'unwads' the antenna and straightens out of elements. Says they are good for about a half dozen waddings, then he makes a new one.73 Kent WA5VJB\n\n\n\n On Thursday, January 14, 2021, 09:07:02 AM CST, Fred Hillhouse <[email protected]> wrote: \n \n \nHi Kent,\n\n \n\nHow much power would you expect the design in the PDF to handle?\n\nNote: This is not to imply I am using high power into a satellite. \n\n \n\nI made a “break-down” version of the Cheap-LEO. It still needs some refinements, such as shedding weight.\n\n \n\nThank you!\n\n \n\nFred N7FMH\n\n \n\n \n\nFrom: KENT BRITAIN [mailto:[email protected]] \nSent: Thursday, January 14, 2021 2:29 AM\nTo: [email protected]; Mike Lucas\nSubject: [AMSAT-BB] Re: Feeding M2 Eggbeaters\n\n \n\nHow are his construction skills? Here is the diagram for an easy to build 145-435 MHz\n\nsplitter/diplexer. http://www.wa5vjb.com/references/Cheap%20Antennas-LEOs.pdf\n\n \n\nCan be built as shown, or in a metal box with connectors.\n\nIt would even be possible to locate the diplexer near the antenna, then he would only\n\nhave one long coax run. 73 Kent WA5VJB\n\n \n\nOn Thursday, January 14, 2021, 01:11:11 AM CST, KENT BRITAIN <[email protected]> wrote: \n\n \n\n \n\nSeveral companies make a VHF/UHF Diplexer. The 145/435 MHz signals are split in filters.\n\n \n\nKent WA5VJB\n\n \n\nOn Thursday, January 14, 2021, 01:02:21 AM CST, Mike Lucas <[email protected]> wrote: \n\n \n\n \n\nFriend of mine just got a M2 Eggbeater SatPack 1setup for VHF/UHF.\n\n \n\nHis rig covers both bands however only has a PL259 output so he’s wondering how to feed those antennas with one feedline up to the boom. Is there an RF switched coax relay box or something else that will maybe work? I’ve always had radios with 2 RF coax outputs on the radio, then run 2 lines up to the tower & each antenna.\n\nI told him I’d post on here to see what feedback I got.\n\nThanks\n\nMike N7ASZ\n\n\n-----------------------------------------------------------\n\nSent via AMSAT-BB(a)amsat.org. 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!\n\nView archives of this mailing list at\nhttps://mailman.amsat.org/hyperkitty/list/[email protected]\nTo unsubscribe send an email to amsat-bb-leave(a)amsat.org\nManage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org\n\n\n-----------------------------------------------------------\n\nSent via AMSAT-BB(a)amsat.org. 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!\n\nView archives of this mailing list at\nhttps://mailman.amsat.org/hyperkitty/list/[email protected]\nTo unsubscribe send an email to amsat-bb-leave(a)amsat.org\nManage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org\n\n\n\n| | \n This email has been checked for viruses by Avast antivirus software. \nwww.avast.com \n |\n\n\n \n-----------------------------------------------------------\n\nSent via AMSAT-BB(a)amsat.org. 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!\n\nView archives of this mailing list at\nhttps://mailman.amsat.org/hyperkitty/list/[email protected]\nTo unsubscribe send an email to amsat-bb-leave(a)amsat.org\nManage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org \n\n\n", "attachments": [ { "email": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/M7LPYLZK2G56D6JH2UEHXH4XD3UD7Z7N/?format=api", "counter": 2, "name": "attachment.html", "content_type": "text/html", "encoding": "utf-8", "size": 13504, "download": "https://mailman.amsat.org/hyperkitty/list/[email protected]/message/M7LPYLZK2G56D6JH2UEHXH4XD3UD7Z7N/attachment/2/attachment.html" } ] }