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GET /hyperkitty/api/list/[email protected]/email/PYSOYHWVFH5YHIMTFV5SKL4N6AFAKO3Q/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/PYSOYHWVFH5YHIMTFV5SKL4N6AFAKO3Q/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "PYSOYHWVFH5YHIMTFV5SKL4N6AFAKO3Q", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/RKN4AODTRFQJBNLI5OPLUP7Q3D743BOE/?format=api", "sender": { "address": "broberts (a) mta.ca", "mailman_id": null, "emails": null }, "sender_name": "Bruce Robertson", "subject": "[amsat-bb] Re: Is Wi-Fi Headed toward an Early Grave?", "date": "2006-12-13T12:28:02Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/RKN4AODTRFQJBNLI5OPLUP7Q3D743BOE/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Quoting David Barber <[email protected]>:\n\n> Could I perhaps just highlight an unwanted side effect of all the\n> discussion\n> regarding Wi-Fi and its impact on \"our\" frequencies.\n> \n> Any newcomer reading all the gloom and despondency may well reach the\n> conclusion that 2.4GHz is not worthy of their investment. Surely if we\n> are\n> not careful this becomes self defeating as potential new users shy away\n> and\n> we end up with another under utilised band.\n\nTo any beginner, I'd say that, with today's satellites, 2.4 GHz is great\nfun, but rarely operational. Certainly not a high priority for a new\nsatellite operator, but wonderful to experiment with once the basics of\noperating through AO-51 are in hand. \n\n> The recent scheduling of AO-51 with downlink on 2.4GHz has been\n> interesting.\n> I live in a highly populated urban area with a number of locally active\n> home\n> and commercial Wi-Fi's however using just a K5GNA down converter and\n> corner\n> reflector (hand held) huge interference free signals are easily\n> received.\n\nLooking at future birds, S-band comes into its own on the HEO missions of\nP3-E, SSETI-ESEO and, now, Eagle. The beginner should be equally warned\nthat, due to the far greater path losses from those satellites, an\nexperiment such as the above does not ensure that QRM won't seriously\ndegrade future S-band reception from HEO.\n\nCan anybody work out a simple experiment that would simulate these\nconditions? In a previous letter, I'd recommended using lossy cable between\nthe antenna and preamp/dc as an attenuator (simulating the pass loss), but\nI now realize that that will drop the QRM along with the satellite signal. \n\nHoping for a return to HEO in 2007 (but content to wait until 2008),\n\n73, Bruce VE9QRP\n", "attachments": [] }