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GET /hyperkitty/api/list/[email protected]/email/MFJ5ISUGIIF4X2OAPFY2GHL7ABI764MO/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/MFJ5ISUGIIF4X2OAPFY2GHL7ABI764MO/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "008301c7f3d1$bb364940$6701a8c0@sierrap4dual", "message_id_hash": "MFJ5ISUGIIF4X2OAPFY2GHL7ABI764MO", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/MFJ5ISUGIIF4X2OAPFY2GHL7ABI764MO/", "sender": { "address": "jkopala (a) gmail.com", "mailman_id": "083d74d034614b08876fb7affa0a2348", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/083d74d034614b08876fb7affa0a2348/emails/" }, "sender_name": "John Kopala", "subject": "[amsat-bb] Re: FM sat frequencies?", "date": "2007-09-10T17:40:49Z", "parent": null, "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/N5YC364R6UXUYKNMABOXZLABDX6HZQ2Q/" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "The frequencies given for each of the easy satellites are:\n\nAO-27 436.795\nSO-50 436.795\nAO-51 435.300\n\nAMSAT gives the details for the individual satellites and their uplink and \ndownlink frequencies. Go to the following site and then simply click on the \nsatellite you are interested in. \nhttp://www.amsat.org/amsat-new/satellites/status.php\n\nWith doppler shifts as the satellites make a pass the actual receive \nfrequency could vary by as much as about 10 KHz plus or minus the nominal \nfrequency. The only time you would ever receive the satellite exactly on \nits downlink frequency would be when the satellite heading is exactly 90 \ndegrees from your bearing to the satellite. At that point the satellite is \ntangential to a circle whose center is your location and is neither moving \ntoward or away from your location.\n\nI am using an IC-910H. For manual tuning at the beginning of a pass, I \nsimply tune about 5 to 9 KHz higher (depending on the elevation of the pass) \nthan the nominal frequency. With the AFC turned on, the radio will \nautomtically lock into the signal when it becomes strong enough and track \nthe frequency as the doppler shift changes the receiving frequency during \nthe pass. At loss of signal, the receive frequency will be below the \nnominal frequency by about the same amount it was above at the start.\n\nJohn Kopala\nN7JK\n\n> Date: Sun, 9 Sep 2007 19:44:15 -0700 (PDT)\n> From: Bob Stewart <[email protected]>\n> Subject: [amsat-bb] FM sat frequencies?\n> To: Amsat-BB <[email protected]>\n> Message-ID: <[email protected]>\n> Content-Type: text/plain; charset=iso-8859-1\n>\n> Does anyone know the actual downlink frequencies of the\n> easy sats? From messing around with my hack for gpredict,\n> I get the values below, but it would be nice to know the\n> correct values as a check against what I'm doing.\n>\n> AO-27 436.7972\n> SO-50 436.7920\n> AO-51 435.3008\n>\n> Bob - AE6RV\n\n\n", "attachments": [] }