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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/2EL4FMAJGYOBHEK2ENTDX63AMLDBYE7H/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "2EL4FMAJGYOBHEK2ENTDX63AMLDBYE7H", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/HFN5MDBVKGL7BHEXCLLA225PQE7PVK2E/?format=api", "sender": { "address": "wouterweg (a) gmail.com", "mailman_id": null, "emails": null }, "sender_name": "wouter weggelaar", "subject": "[amsat-bb] Re: DELFI-C3 over Japan 11:27UTC", "date": "2008-05-09T15:04:57Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/QRG4QAX56KY53NDY43RXEXHWKE2WZKQY/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Bruce and the rest of BB\n\nYou are right: we know about this and the two are related. See an\nearlier report from Wouter Jan Ubbels PE4WJ on the BB\nI quote:\n\"\n2. We are aware of the transmitter distortion and drop outs occurring. These\ntwo are related, and are not related to the transmitter itself, but are the\nresult of a power / attitude issue combined with the way our Electrical\nPower System works. Thanks to all your reports we now have a clear view of\nwhat is happening, and are in the process of taking corrective actions while\nthe s/c is over our groundstation. We are taking these actions step by step\nso the phenomenon will continue to occur over the coming days. Your reports\non this phenomenon are welcome.\n\"\nUnquote\n\nSo we are working on it and taking it VERY VERY slow. we do not want\nto loose the bird!\nEveryone keep sending in DATA and pass reports, it is very valuable to\nus! Thanks!\n\nbest 73\n\nWouter Weggelaar PA3WEG\n(Proud!) Delfi-C3 Team member\n\n\n\nOn Thu, May 8, 2008 at 5:20 PM, Bruce Robertson <[email protected]> wrote:\n> Hello, Sanada-san --\n>\n> Delfi has no batteries on board; it works entirely from its solar\n> panels. It appears that at present it sometimes gets in an attitude,\n> or position, where its panels do not generate sufficient voltage (or\n> current?) and it shuts down. In addition, sometimes the audio quality\n> of the BPSK transmission degrades; I've assumed that this is a related\n> problem.\n>\n> Often, it will restart half a minute later, so keep listening to the pass.\n>\n> I believe that this is a problem the control team understands and is\n> going to try to address, but naturally they are being very cautious.\n>\n> A longer pass helps a great deal with getting used to tuning the\n> signal. Start by tuning for the strongest signal on your s-meter, then\n> tweak it from there. Don't keep moving the tuning around, because\n> RASCAL needs some time to get a lock.\n>\n> 73, Bruce\n> VE9QRP\n>\n> On Thu, May 8, 2008 at 8:39 AM, ji1izr/Masahiro SANADA\n> <[email protected]> wrote:\n>> Hello, everyone,\n>>\n>> I watched DEFLI-C3 just now,\n>> listen to it and try to decode with RASCAL.\n>>\n>> During this pass,\n>> the sound suddenly went out about 11:27UTC.\n>>\n>> The LOS was about 11:32UTC.\n>>\n>> I could not decode any data.\n>>\n>> What happened?\n>>\n>> Masahiro SANADA\n>> JI1IZR\n>>\n>> _______________________________________________\n>> Sent via [email protected]. Opinions expressed are those of the author.\n>> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>>\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>\n", "attachments": [] }