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GET /hyperkitty/api/list/[email protected]/email/AVUA2SFBQA2EUC3GDS4JAY6LWU2PFEQC/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/AVUA2SFBQA2EUC3GDS4JAY6LWU2PFEQC/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "AVUA2SFBQA2EUC3GDS4JAY6LWU2PFEQC", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/AZ2ZOLAA5CKTQAXIBWSZE3X7HPIEME2U/", "sender": { "address": "sp5qan (a) gmail.com", "mailman_id": null, "emails": null }, "sender_name": "Artur", "subject": "[amsat-bb] Re: OT - Weather sats", "date": "2008-06-12T10:35:38Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/AZ2ZOLAA5CKTQAXIBWSZE3X7HPIEME2U/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Hello ED and al\n\n\n> Any idea on what kind of TX power is being used for the weather satellites?\n>\n\nIn case of NOAA POES - APT trasmision:\n\n\" ...The signal itself is a 256-level amplitude\nmodulated<http://en.wikipedia.org/wiki/Amplitude_modulated>2400\nHz <http://en.wikipedia.org/wiki/Hz>\nsubcarrier<http://en.wikipedia.org/wiki/Subcarrier>,\nwhich is then frequency\nmodulated<http://en.wikipedia.org/wiki/Frequency_modulated>onto the\n137MHz-band RF\ncarrier <http://en.wikipedia.org/wiki/Carrier_wave>. Maximum subcarrier\nmodulation is 87% (±5%), and overall RF bandwidth is 34KHz. On NOAA POES\nvehicles, the signal is broadcast at approximately\n40dBm<http://en.wikipedia.org/wiki/DBm>(10 watts) effective\nradiated power <http://en.wikipedia.org/wiki/Effective_radiated_power>.\"\n\nSource: http://en.wikipedia.org/wiki/Automatic_Picture_Transmission\n\nVy! 73 de Artur SP5QA\n", "attachments": [] }