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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/NBKBFTKPTEOMQZUHADTRXJP6GQNURWMJ/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "CAKJep-D1msaszh2Hf899WcOuLk+H7hSphAFqR97tvP2MyUm+rQ@mail.gmail.com", "message_id_hash": "NBKBFTKPTEOMQZUHADTRXJP6GQNURWMJ", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/NBKBFTKPTEOMQZUHADTRXJP6GQNURWMJ/", "sender": { "address": "mike (a) wa9pie.net", "mailman_id": "8dbc7bf91eca4b38863158a37ba36e42", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/8dbc7bf91eca4b38863158a37ba36e42/emails/" }, "sender_name": "Michael Carper, Ph.D.", "subject": "Re: [amsat-bb] HRD, SatPC32, SDRConsole and their satellite tracking", "date": "2019-02-02T20:08:39Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Thanks, Stefan.\n\nMike, WA9PIE\n\nOn Sat, Feb 2, 2019 at 9:29 AM Stefan Wagener <[email protected]> wrote:\n\n> Hi folks,\n>\n> Rather than trying to compare apples and oranges between various satellite\n> tracking programs and their perceived satellite tracking inaccuracies, I\n> ran SatPC32, HRD V.:6.5.0.184 and SRDConsole V.3.0.4 simultaneously on the\n> same machine with the same internal clock and exact matched home location\n> incl antenna height, same Kepler data etc.The results can be seen on the\n> attached image (for those that receive this email directly). All three\n> programs and are matching each other in terms of satellite position\n> relative to location. Any significant discrepancies between programs that\n> users might experience are most likely attributable to differences in\n> program setup and not a result of program bugs as indicated lately in\n> messages.\n>\n> For those reading this message on the BB, I will post the image on the\n> AMSAT Facebook page.\n>\n> Hope this helps,\n>\n> Stefan, VE4NSA\n>\n>\n>\n>\n> On Sat, Feb 2, 2019 at 7:02 AM Roy Dean <[email protected]> wrote:\n>\n>> Mike, I don't see any times listed for the Amsat tracking. I think the\n>> problem is people are saying that HRD \"lags\" (ie, the track is correct,\n>> but\n>> several seconds/minutes behind). Regardless of if that is true or not,\n>> what I would suggest to verify HRD's tracking is to open two windows, one\n>> with AO-91 or 92 in HRD (realtime, during an actual pass), and one with\n>> Amsat Argentina's website:\n>>\n>> http://amsat.org.ar/pass.htm\n>>\n>> Be sure to enter your correct grid square and select the correct\n>> satellite,\n>> and it will tell you current Az/El and doppler frequencies for Uplink and\n>> Downlink. I've found this site to be very reliable, and no installs are\n>> required (it runs in the browser).\n>>\n>> --Roy\n>> K3RLD\n>>\n>> ------------------------------\n>>\n>> > Regarding the control of two VFOs simultaneously... we're working on\n>> this\n>> > next. On another note, I've been comparing satellite passes between HRD\n>> > Satellite\n>> > Tracking and AMSAT's tracking and I am unable to find any differences.\n>> > Here's an example with AO-91:\n>> > http://www.hamradiodeluxe.com/AO-91-Pass-min.png\n>> >\n>> > Mike, WA9PIE\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 program!\n>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n>>\n>\n", "attachments": [] }