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GET /hyperkitty/api/list/[email protected]/email/SD45RWDQSQ4VSLCZSGJWZNP4XAQJMHLB/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/SD45RWDQSQ4VSLCZSGJWZNP4XAQJMHLB/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "SD45RWDQSQ4VSLCZSGJWZNP4XAQJMHLB", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/SD45RWDQSQ4VSLCZSGJWZNP4XAQJMHLB/?format=api", "sender": { "address": "Richard (a) g3rwl.demon.co.uk", "mailman_id": "3415b4a135da4375b8e385a8b78acc30", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/3415b4a135da4375b8e385a8b78acc30/emails/?format=api" }, "sender_name": "[email protected]", "subject": "[amsat-bb] Re: Crossbooms ... my pennyworth.", "date": "2007-01-10T16:14:11Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Gang, Howard\n\n>> Howard mentioned the much-documented advantages of polarization switching\n>> for LEO satellite work. In this same context, is it worth the additional\n>> work to include the remote logic required for V and H polarizations along\n>> with RHCP and LHCP? \n\n> It's a nice to have, but not as much as being able to switch R/LHCP. I\n> currently use the WIMO polarisation switches and they happen to have all\n> four polarisations built in.\n\nThere used to be a 4-polarisation switcher in old RSGB VHF handbooks but it would only be of use if you plan a lot of terrestrial operations as well as space.\n\nA simple RHCP/LHCP switcher using a relay and lengths of coax is in the archives at ftp://ftp.amsat.org/amsat/misc/ant_swit.gif\n\n73\nRichard G3RWL\n\n\n", "attachments": [] }