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GET /hyperkitty/api/list/[email protected]/email/CHC5LD4OZTTES4ZSQS4E5AFU7M2S5W22/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/CHC5LD4OZTTES4ZSQS4E5AFU7M2S5W22/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "00f801c7e8c1$9460ea20$7401a8c0@singalongpc1", "message_id_hash": "CHC5LD4OZTTES4ZSQS4E5AFU7M2S5W22", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/RGP75TSZJOS7DJSWLXVFSHHCHQFNEAPL/", "sender": { "address": "tmm (a) trutter.dk", "mailman_id": "10de34676c744742b49d3ccde2c51c85", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/10de34676c744742b49d3ccde2c51c85/emails/" }, "sender_name": "Martin", "subject": "[amsat-bb] Re: cross yagi phasing?", "date": "2007-08-27T15:47:31Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/RGP75TSZJOS7DJSWLXVFSHHCHQFNEAPL/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Hi Steve\nSteve Attfield wrote:\n> when doing a phase line for a crossed yagi to give it a circular\n> polarization. how do you make sure that you have electrically 1/4\n> wavelength of line? it strikes me that this would greatly matter or\n> else the antenna wouldn't be fully circularly polarized.\n\nI would say that it's as simple as multiplying the actual wavelength of the \nfrequency you are making the antenna for, with the velocity factor of the \ncable. It's the length of the braid on the cable that's important.\n\nMore info on cross-phasing of yagis can be found on DK7ZB, Martin Steyer's \nhomepage at http://dk7zb.fox28.de\nDirect link: http://dk7zb.fox28.de/Cross-Yagi/crossyagi.htm\n\nGood luck\nOZ1TMM, Martin \n\n\n", "attachments": [] }