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GET /hyperkitty/api/list/[email protected]/email/HL4WW53V5SEM7WT22FA5UGRPKLUESSFW/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/HL4WW53V5SEM7WT22FA5UGRPKLUESSFW/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "HL4WW53V5SEM7WT22FA5UGRPKLUESSFW", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/EENP54BI7DYA2MSLTK7YXX7GAPM5LFVU/?format=api", "sender": { "address": "ve9qrp (a) gmail.com", "mailman_id": "4d6061838db34aba9a1c4722addebfaf", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/4d6061838db34aba9a1c4722addebfaf/emails/?format=api" }, "sender_name": "Bruce Robertson", "subject": "[amsat-bb] Re: GMSK: Time for a stupid question :-)", "date": "2009-02-26T12:34:18Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/22VHIJTKIH5RSR4PV2XU2TRCMP4HQ27I/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "On Thu, Feb 26, 2009 at 2:37 AM, Art McBride <[email protected]> wrote:\n> Henk,\n> I would suggest FM 2.4 KHz deviation. You will need a Gaussian filter after\n> the 4800 baud digital to make the logic transitions raised Cosine. The FM\n> modulation needs to be direct coupled not AC coupled. Never Had a TS 2000X\n> still using a ICom 820 disaster!\n>\n> GMSK provide for a modulation index of 0.5 making its performance a little\n> worse than AM in performance. Works O K on strong signals, looses it on\n> noise, multipath, or interference. There is no capture effect that is\n> normally associated with FM and modulation indexes greater than 1\n> Good luck,\n> Art, KC6UQH\n\nA follow-on question, if nobody minds.\n\nI've recently bought a Delta-44 soundcard to do some higher definition\nSDR work. It looks like the softrock line of radios, for instance,\nwill have a 2m version fairly soon. http://www.w9idx.com/node/42\n\nWhat program is state-of-the-art when it comes to digital modes and\nSDR work? Or even when it comes to FM audio out, is there a 9600 baud\nsoftware sound modem that equals or outperforms a dedicated modem?\n\n", "attachments": [] }