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GET /hyperkitty/api/list/[email protected]/email/PW4WNC5FEVYLOIEHH2RYOEDLVMFEE3VC/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/PW4WNC5FEVYLOIEHH2RYOEDLVMFEE3VC/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "PW4WNC5FEVYLOIEHH2RYOEDLVMFEE3VC", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/OQIERRWQPNBT7ZPMBN75WUIIKJO7RYLX/?format=api", "sender": { "address": "vk3jed (a) gmail.com", "mailman_id": "e049fcabdd4648088cd7ce227ab7c655", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/e049fcabdd4648088cd7ce227ab7c655/emails/?format=api" }, "sender_name": "Tony Langdon", "subject": "[amsat-bb] Re: P3E transponder and launch", "date": "2007-03-23T21:38:20Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ENGSDOZ3YZDQQWIOESSX6UP6W6WINJXU/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "At 12:29 AM 3/24/2007, Bruce Robertson wrote:\n\n> >From my reading, and I'm not an expert, SDX technology is predicted to be\n>indistinguishable from a linear xponder to the ground station: I have read\n\nIn its most basic configuration, it will be functionally identical to \nan analog transponder, except somewhat better filter \nperformance. The performance on the Odyssey transponder being built \nfor SuitSat 2 looks impressive. And in this basic configuration, the \nground station need not know the difference.\n\n>no account of entailed losses. What it *does* aim to provide is a newly\n>flexible and configurable bent pipe. One obvious application is to limit\n>the amount of output power in a given portion of the passband, thereby\n>reducing the impact of alligator stations. The audio files posted on this\n>list indicate no unnatural artifacts to my ear, and such transponders are\n>routinely built to operate with varying modulation schemes.\n\nThat's the real beauty of the technology.\n\n>My point is that SDX allows us to dream of these things, and potentially to\n>implement them even after the bird is up. Yes, it entails a risk. We're\n>fortunate to be able to mitigate this risk: SuitSatII will fly with SDX\n>on-board so that we can test this technology. To my mind, the satellite\n>service/hobby is a branch of the hobby that continues to fulfill the\n>experimental origins of amateur radio. We need to do so prudently, given\n>the cost of launching the hardware into space, but I think the SDX concept\n>fits nicely within that curve.\n\nSuitSat 2 is a handy test platform for the technology, that's for \nsure. It's good to see ham radio continue innovating.\n\n73 de VK3JED\nhttp://vkradio.com\n\n", "attachments": [] }