Email Detail
Show an email
GET /hyperkitty/api/list/[email protected]/email/2YQFNCUQYYD6U5QNJBHFSH35RNJ7DKYQ/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/2YQFNCUQYYD6U5QNJBHFSH35RNJ7DKYQ/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "2YQFNCUQYYD6U5QNJBHFSH35RNJ7DKYQ", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/7EDBHGUAOE7ZEHLFI2PDCHDTQZYHY4H2/?format=api", "sender": { "address": "rick (a) vk6xlr.net", "mailman_id": "de2295a1e6e34be9a968b05a57b7ad3a", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/de2295a1e6e34be9a968b05a57b7ad3a/emails/?format=api" }, "sender_name": "Rick Kowalewski", "subject": "Re: [amsat-bb] EO-79 transponder activation", "date": "2015-12-28T14:56:27Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/GZCO55DQWMNDKLY36NFCNA75SFXTMFRD/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Hi All\n\nEO-79 Pass over VK, 28 Dec 1428-1441UTC\nTransponder was active. Good signals on the downlink.\n\nUplink offset:\nStart of pass: +23.5khz\nEnd of pass: +28.5kHz\n\n73,\nRick VK6XLR\n\nOn 28/12/2015 17:09, Wouter Weggelaar wrote:\n> Hi All,\n>\n> Just as a reminder, we will start our second activation today, Monday 28th\n> until Thursday 31st.\n>\n> The first activation has shown us that the uplink frequency seems to be off\n> by +12kHz, so please adjust your uplink frequencies accordingly. We are\n> also seeing that activating the transponder makes the satellite power\n> negative, meaning the solar arrays can not generate enough power to keep\n> the transponder running permanently. This is not unexpected as the\n> satellite is operating in a different mode than originally anticipated\n> during the design phase.\n>\n> We are discussing various ways to solve this, including multiple ways of\n> scheduling the transponder operations. With these discussions ongoing we\n> would still like to try the second activation and obtain some more data\n> about the system. We will activate the transponder for as much time as the\n> power budget allows, but please be aware that you may find the transponder\n> to be off while the batteries recharge.\n>\n> TLEs:\n>> AMSAT keps name: EO-79\n>> Celestrak keps Name: QB50P1\n>> Celestrak file: cubesat.txt\n>> NORAD # 40025\n>> COSPAR designator 2014-033-R\n>>\n>> Frequencies:\n>>\n> *Uplink:* 435.035-435.065 MHz LSB\n>> * + 12KhzDownlink:* 145.935-145.965 MHz USB\n>>\n>> We kindly request you to share your experiences with the BB so everyone\n>> can benefit from operating tips and tricks, as well as being up-to-date on\n>> the status.\n>> We would also welcome any observation related to the transponder behaviour\n>> when the AX.25 beacon comes on.\n>>\n>> 73 and have FUN\n>>\n>> Wouter Weggelaar, PA3WEG\n>> AMSAT-NL\n>> AMSAT-UK\n\n", "attachments": [] }