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GET /hyperkitty/api/list/[email protected]/email/DNGDSRII7AS2KCMRFMWLLECGDIUK7OT5/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/DNGDSRII7AS2KCMRFMWLLECGDIUK7OT5/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "0E727C9D7B994C619C7B029782FFB104@parents", "message_id_hash": "DNGDSRII7AS2KCMRFMWLLECGDIUK7OT5", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/3AQIJLTKZBYDUCDH337SPKKRV3ZV6NKC/?format=api", "sender": { "address": "ka3hsw (a) att.net", "mailman_id": "afface7d7e8049fda539552165bdde78", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/afface7d7e8049fda539552165bdde78/emails/?format=api" }, "sender_name": "George Henry", "subject": "Re: [amsat-bb] SatPC32 Doppler Correction/Calibration?", "date": "2017-06-22T04:10:38Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/TTBLZBB3I7WMU3PLP3MTXJENXN6RCSX4/?format=api", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/DQPUNLBEQZDXPSLNQBGIHJ4MCGMOCGJ4/?format=api" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Go into your Doppler.sqf file and edit the up- and downlink frequencies back \nto the original values. Then use the uplink calibration buttons to find \nyourself on the downlink. Then click the Change/Store data file button and \nstore the uplink calibration. I've never touched the downlink correction on \na sat with a linear transponder...\n\nGeorge, KA3HSW\n\n\n----- Original Message ----- \nFrom: \"David Rush\" <[email protected]>\nTo: <[email protected]>\nSent: Wednesday, June 21, 2017 7:53 PM\nSubject: Re: [amsat-bb] SatPC32 Doppler Correction/Calibration?\n\n\n> Okay, I followed the instructions (as I described below). I found myself \n> on a couple of the XW-2* birds, and kept adjusting my downlink correction \n> until I was at about peak elevation in the pass (I even made one contact \n> while one of the birds was still on its way up). Then zeroed out the \n> downlink correction and entered the opposite in uplink correction, and \n> saved it.\n>\n> Once I did that I did not hear myself on the downlink, and failed to find \n> myself, even trying a few 10s of hz of d/l correction either side, before \n> the birds got too low on the horizon.\n>\n> What am I doing wrong?\n>\n> David, ky7dr\n>\n>\n> On /20170621/ 07:44, David Rush wrote:\n>> George:\n>>\n>> Thanks for the reply. So by repeatedly trying the same thing, have I \n>> shifted the uplink frequency by a bit more every time? Sounds like I may \n>> need to set those back. Or else just find a new value in the opposite \n>> direction (starting a few multiples of the 160), set it once, and leave \n>> it.\n>>\n>> 73, David, KY7DR\n>>\n>>\n>> On /20170621/ 00:55, George Henry wrote:\n>>> You're doing it right... once you store the uplink calibration, the \n>>> calibration values WILL return to zero, but if you look at the uplink \n>>> frequency displayed in the right-hand panel of the CAT window, it will \n>>> have a new value which is offset from the original frequency by whatever \n>>> calibration value you stored.\n>>>\n>>> 73,\n>>> George, KA3HSW\n>>>\n>>>\n>>> ----- Original Message ----- From: \"David Rush\" <[email protected]>\n>>> To: \"Amsat BB\" <[email protected]>\n>>> Sent: Tuesday, June 20, 2017 7:59 PM\n>>> Subject: [amsat-bb] SatPC32 Doppler Correction/Calibration?\n>>>\n>>>\n>>>> I'm trying to get the doppler correction/calibration set up for the \n>>>> various birds before Field Day, but I'm just not making any tangible \n>>>> progress.\n>>>>\n>>>> I've got a pair of Yaesu FT-817ND rigs, and can successfully tune both \n>>>> of them with SatPC32's CAT controls.\n>>>>\n>>>> Following the directions for a two-rig calibration process, I've been \n>>>> catching the XW-2* birds and can occasionally get the downlink \n>>>> correction set to where I can hear myself on the downlink.\n>>>>\n>>>> In a couple of cases I've made note of where that downlink calibration \n>>>> was near mid-pass (the necessary correction changed constantly across \n>>>> the pass).\n>>>>\n>>>> Then I go into the CAT menu, set the downlink correction to zero and \n>>>> the uplink calibration to the opposite sign of the previously found \n>>>> downlink correction at mid-pass.\n>>>>\n>>>> For example on a recent pass of XW-2C I found a downlink correction \n>>>> of -160 Hz was working well near mid-pass (I could hear myself) so I \n>>>> set the uplink calibration to 160 Hz.\n>>>>\n>>>> The \"Upl. Calibr.\" window in the CAT pop-up says \"160\", and the grey \n>>>> box above the uplink frequency in the main window also says \"160\".\n>>>>\n>>>> I click on the \"Change/Store Dataf File\" button, then click on the \n>>>> \"Store\" \"Uplink Calibration\" button on the next pop-up.\n>>>>\n>>>> It says \"The changings have been stored!\" but the uplink calibration in \n>>>> both the first popup and the main window are back to zero.\n>>>>\n>>>> I click the X to close both pop-ups, and uplink correction in the main \n>>>> window is still 0. I exit the program, restart it, select XW-2C, \n>>>> enable CAT (C+) and the uplink calibration is still on zero.\n>>>>\n>>>> What am I missing?\n>>>>\n>>>> David, ky7dr\n>>>>\n>>>> _______________________________________________\n>>>> Sent via [email protected]. AMSAT-NA makes this open forum available\n>>>> to all interested persons worldwide without requiring membership. \n>>>> Opinions expressed\n>>>> are solely those of the author, and do not reflect the official views \n>>>> of AMSAT-NA.\n>>>> Not an AMSAT-NA member? Join now to support the amateur satellite \n>>>> program!\n>>>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n>>>\n>>>\n>>> ---\n>>> This email has been checked for viruses by Avast antivirus software.\n>>> https://www.avast.com/antivirus\n>>>\n>>\n>> _______________________________________________\n>> Sent via [email protected]. AMSAT-NA makes this open forum available\n>> to all interested persons worldwide without requiring membership. \n>> Opinions expressed\n>> are solely those of the author, and do not reflect the official views of \n>> AMSAT-NA.\n>> Not an AMSAT-NA member? Join now to support the amateur satellite \n>> program!\n>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n>\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions \n> expressed\n> are solely those of the author, and do not reflect the official views of \n> AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb \n\n", "attachments": [] }