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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/4EU5IOLLYGGK6CV7AF4YZUV5FBAHAAT5/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "4EU5IOLLYGGK6CV7AF4YZUV5FBAHAAT5", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/4EU5IOLLYGGK6CV7AF4YZUV5FBAHAAT5/", "sender": { "address": "broberts (a) mta.ca", "mailman_id": null, "emails": null }, "sender_name": "Bruce Robertson", "subject": "[amsat-bb] Re: ideas", "date": "2007-01-15T14:55:50Z", "parent": null, "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/U7A5TCWJCUADQ56YQ5EPZ4U2C4KEC6L7/" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "\nQuoting Anthony Monteiro <[email protected]>:\n\n> At 06:44 PM 1/13/2007, Bruce Robertson wrote:\n> \n> >Quoting Anthony Monteiro <[email protected]>:\n> >\n> > > Here is a wild idea for you. The Nintendo DS Lite\n> > > video game has a built-in wireless Instant Messaging (IM)\n> > > capability that runs at 2.4GHz using standard WiFi. It would\n> > > be really cool for kids to be able to chat with other kids via\n> > > satellite using their Nintendo game.\n> > >\n> ...\n> >That's a great wild idea, Tony! How would WiFi's modulation scheme\n> react to\n> >the doppler shift?\n> \n> Hi Bruce,\n> \n> A Nintendo game wouldn't be able to directly hit\n> a satellite but I was thinking that some kind of\n> hack using a cheap Linksys WiFi box could be used as a\n> groundstation and it would include whatever\n> was needed to talk to the satellite.\n> \n> The sat links do not even need to be on 2.4GHz as you\n> could just send the IM text up and back via a low-speed link\n> and translate back to WiFi for the Nintendo in the Linksys.\n> \n> \n> 73,\n> Tony AA2TX\n> \n\nI see. These are interesting ideas. I wonder if a cubesat project such as\nthis would provide a workable test-bed for one or more layers of the\nproposed Eagle text-messaging service, which then could be bridged in\nsoftware to the ground-based messaging you propose. \n\nI'm not sure if this is what you have in mind, but some Linksys WiFi boxes\nhave enough RAM to run a stripped-down version of Linux. The trick would be\nto get the data into them. The WRTSL54GS has a USB port, reputedly for\nnetwork storage, but it might be hackable in order to get serial data from\na TNC or other demodulator using a USB-to-serial bridge.\n\nIt might be in AMSAT's interest to partner with a Cubesat project to\nexplore this. I understand the processing power onboard a cubesat would be\nmuch less; but just as Suitsat II will test the SDX, a flying testbed for\nSMS would be great. It would make for an excellent sales-pitch at\nconventions, etc.: imagine a table with a radio, demodulator and hacked\nWiFi box, and a couple of laptops. When the bird is in range, a\nJabber-based messaging program comes alive with contacts across N. America.\nfor 8 minutes or so. Then the pitch: you can help make this system work for\nhours-on-end across a large part of the globe with your donation to Eagle. \n\n\n73, Bruce VE9QRP\n", "attachments": [] }