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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/DJNZTFCYGIE4BERZCY3XPQO4XFDKOVP6/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "DJNZTFCYGIE4BERZCY3XPQO4XFDKOVP6", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/NATOQLG2Z3ESUV44WUPTDWF7RY5GPQT6/?format=api", "sender": { "address": "diehl.mike.a (a) gmail.com", "mailman_id": "fb66b52d8e334c70baa2d934e419bb39", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/fb66b52d8e334c70baa2d934e419bb39/emails/?format=api" }, "sender_name": "Mike Diehl", "subject": "Re: [amsat-bb] Linear Transponder Up and Down link frequency\tcalculator", "date": "2019-05-01T02:19:22Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/VPZDVZ25C5DRNWC2FYEROQOCLQWYB427/?format=api", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ACCPQE5S7F3QHC6WYRU3FLRLGNNRKTFT/?format=api" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "I think you’re both missing something. The developer created a tool to suit a particular purpose for them. Both of your approaches are like suggesting a multi-tool when all they need to do is cut a string with a pocket knife. \n\n73,\nMike Diehl\nW8LID/VE6LID \n\n> On Apr 30, 2019, at 14:58, Mark D. Johns via AMSAT-BB <[email protected]> wrote:\n> \n> Perhaps I’m missing something, too. Why not use a full-featured tracking\n> program, such as SatPC32, that has all of this already included?\n> \n> On Tue, Apr 30, 2019 at 13:06 Vinny Stipo via AMSAT-BB <[email protected]>\n> wrote:\n> \n>> Am I missing something? Why not just put this info in a online\n>> worksheet/excel, rather than compile a program with no source code?\n>> \n>> -Vinny KM2W\n>> \n>> On Tue, Apr 30, 2019 at 7:01 AM Hasan al-Basri via AMSAT-BB <\n>> [email protected]> wrote:\n>> \n>>> Absolutelyl, no worries about doppler. The only one of concern was the\n>> 1200\n>>> Hz error and I think that was a typo. I'll look for the update. Tnx so\n>>> much, it is a wonderful asset to sat ops. 73, N0AN\n>>> Hasan\n>>> \n>>> \n>>> On Mon, Apr 29, 2019 at 11:56 PM Wendy and Terry Osborne <\n>>> [email protected]> wrote:\n>>> \n>>>> Hi Hassan,\n>>>> \n>>>> Just added CAS-4A to the list.\n>>>> I was working off the AMSAT-NA Laminated frequency chart (April 2018).\n>>>> Should have spotted it.\n>>>> \n>>>> I have also tweaked the frequency on CAS-4B to track with your\n>>>> measurements.\n>>>> Use the same link for the updated program.\n>>>> \n>>>> I’m tempted to add a few hundred Hertz to the conversion numbers to get\n>>>> them spot on but the error\n>>>> is probably less than the doppler correction required.\n>>>> \n>>>> Trying to correct for doppler would require a built in tracking program\n>>>> and then you might as well use SatPC32.\n>>>> \n>>>> 73,\n>>>> Terry ZL2BAC\n>>>> \n>>>> *From:* Hasan al-Basri <[email protected]>\n>>>> *Sent:* Sunday, April 28, 2019 11:48 PM\n>>>> *To:* Wendy and Terry Osborne <[email protected]>\n>>>> *Cc:* AMSAT-BB <[email protected]>\n>>>> *Subject:* Re: [amsat-bb] Linear Transponder Up and Down link frequency\n>>>> calculator\n>>>> \n>>>> Very nice Terry, but you forgot CAS-4a :-)\n>>>> \n>>>> I work with pre-defined sat pairs to avoid Wifi spikes. Here are the\n>>>> results for some of the common birds using our downlink and your uplink\n>>>> (predicted) vs. what our uplinks really are for perfect audio.\n>>>> \n>>>> CAS-4B 145.918 435.287 Actual: 435.285.900\n>>>> XW-2A 145.672 435.043 : 435.042.600\n>>>> XW-2B 145.733 435.107 : 435.106.800\n>>>> XW-2C 145.798 435.167 : 435.166.800\n>>>> \n>>>> Very solid agreement, tnx so much. It would have saved us a lot of\n>> time\n>>>> setting up the first time, had we had you nice program.\n>>>> \n>>>> Please add CAS-4A when you get time.\n>>>> \n>>>> 73, N0AN\n>>>> \n>>>> \n>>>> Hasan\n>>>> \n>>>> \n>>>> On Sat, Apr 27, 2019 at 8:41 PM Wendy and Terry Osborne via AMSAT-BB <\n>>>> [email protected]> wrote:\n>>>> \n>>>>> Hi Folks,\n>>>>> \n>>>>> With the number of Linear Transponder Satellites that are operational\n>> or\n>>>>> in the pipeline,\n>>>>> I thought a simple program to convert uplink to downlink frequencies\n>> was\n>>>>> worth writing.\n>>>>> I’ve written one for Windows.\n>>>>> You can find it here:\n>>>>> \n>>> \n>> https://www.dropbox.com/sh/4o375h6bygjxkzr/AABi9Ck9Wc6ODrhXwIVHxI-_a?dl=0\n>>>>> I’ve put the exe file and the same file in zip format.\n>>>>> I have put all the current birds plus the ones that have launches\n>>> pending.\n>>>>> Just select the satellite of interest from the “Satellite” drop down\n>>>>> menu,\n>>>>> put your frequency into the text box and hit the Up or Dn calculate\n>>>>> button.\n>>>>> \n>>>>> Let me know if you think this is useful.\n>>>>> \n>>>>> 73,\n>>>>> Terry Osborne ZL2BAC\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\n>>>>> AMSAT-NA.\n>>>>> Not an AMSAT-NA member? Join now to support the amateur satellite\n>>> program!\n>>>>> Subscription settings:\n>> https://www.amsat.org/mailman/listinfo/amsat-bb\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\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\n>> program!\n>>> Subscription settings: https://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: https://www.amsat.org/mailman/listinfo/amsat-bb\n>> \n> -- \n> --\n> Mark D. Johns\n> KØJM / MØGZO / ex-9H3DJ / ex-KØMDJ\n> Brooklyn Park, MN USA EN35hd\n> -----------------------------------------------\n> \"Heaven goes by favor; if it went by merit,\n> you would stay out and your dog would go in.\"\n> ---Mark Twain\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions expressed\n> are solely those of the author, and do not reflect the official views of AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb\n", "attachments": [] }