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GET /hyperkitty/api/list/[email protected]/email/VMVDRVHEZLSAFLEO77DNVDHN3VCJGFRP/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/VMVDRVHEZLSAFLEO77DNVDHN3VCJGFRP/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "000901ca0d69$329170c0$97b45240$@com", "message_id_hash": "VMVDRVHEZLSAFLEO77DNVDHN3VCJGFRP", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/VMVDRVHEZLSAFLEO77DNVDHN3VCJGFRP/?format=api", "sender": { "address": "hislens (a) gmail.com", "mailman_id": null, "emails": null }, "sender_name": "Kevin Groth", "subject": "[amsat-bb] Cross boom question", "date": "2009-07-25T20:47:59Z", "parent": null, "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/FDBKKYE5SSLOCX3VR66X56LJZNS2E4CY/?format=api" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "I have just finished building a set of 2m and 440mhz circular polarized\nbeams to work the birds. (tired of standing in the heat and cold outside!)\nI tried to save a little bit of money by building a wood dowel inserted into\na sched 40 uv resistant pipe. I hung the beams on either side of the cross\nboom and it sags way too much and is ugly. I thought about using some\neyebolts and some nylon cording for support to the vertical mast, but I'm\ntrying to keep everything as clean as possible for the neighbors. I would\nreally rather not have to purchase a fiberglass satellite boom commercially,\nbut if I have to, I will. \n\n \n\nI have a bunch of 1.75\" aluminum pipe that would be more than able to\nsupport most anything I plan to add to the antenna collection in the future\n(1.2 and 2.4 ghz). My question is how much of a difference would it make if\nI mounted the 2m and 440 beams in an X position to the aluminum beam? I\nhave read some short answers that it would minimize the swr issue, but\nhaven't really found an answer that I am comfortable with. Also, how would\nthat effect a later addition like a 1.2 or 2.4 ghz antenna.? My current\nantennas are a KLM 2m-14c and a 435-40cx, both circular polarized and\nswitchable RH and LH polarization. Does anyone have any experience with a\nmetal crossboom?\n\n \n\nThanks!\n\nKevin\n\nN9EME\n\nFort Worth, TX\n\n", "attachments": [] }