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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/WASRD3YA4ZLBV3YRBNKDK7AMN2OUSLTG/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "CABsMmtRa-Rxoy7EuTkRm40xhP1C_o=k924AqrhuKRmLE+UTW=w@mail.gmail.com", "message_id_hash": "WASRD3YA4ZLBV3YRBNKDK7AMN2OUSLTG", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/P4JFXK6LJSAVZKTPXC6S5FRMHJYFHNWJ/?format=api", "sender": { "address": "johnnykludt (a) gmail.com", "mailman_id": "1052971820fa4c30a2a6e76a33ee243f", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/1052971820fa4c30a2a6e76a33ee243f/emails/?format=api" }, "sender_name": "John Kludt", "subject": "[AMSAT-BB] Re: Fixing the FM Stompfest", "date": "2022-08-08T00:57:15Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/FCARCYBB7GCE353Y7DLSWKFP23RB7F7L/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Dave,\n\nI just got back from the PNW Annual DX Convention. Granted the FM capture\neffect is little different but the lack of etiquette is the same as is\nfound in a Dx pileup. They played a tape of a DXpedition (TX5N) trying to\nwork a DL. The Dx station would call \"DL?\"and seemingly *everyone *seemed\nto think the Dx station must be wrong and he was really trying to call\n*them*. It took minutes to complete the Q - minutes on a satellite Q we\ndon't often have. Somebody in this thread pointed out we may not get a Q\never pass. But there will be another one in the not too distant future.\nIt's a *hobby* so, please everyone relax.\n\nI agree that linear satellites are much easier to work with. The barrier\nto entry is the price of the equipment. Hard to beat a couple of Baofengs\nand a homemade Arrow antenna to get on an FM bird. In my view part of\nthe solution is to come up with a way to lower the cost of entry for an SSB\nsatellite ground station. CW would be nice but/and most new hams do not\nknow CW. Sad but very true so not really a very good option.\n\nJohn\n\nOn Sun, Aug 7, 2022 at 2:42 PM David Cheitel via AMSAT-BB <\[email protected]> wrote:\n\n> The real problem is that nobody has any etiquette. If someone calls\n> someone, then you wait until they have finished. Everyone needs to\n> understand that you may not get a contact every pass and if someone is\n> already in an active exchange, you wait, you dont throw your call in. I\n> have often made a call and had someone return my call only to have someone\n> start calling and ultimately preventing my exchange. Oh well, i gave up on\n> people acting like gentlemen.\n>\n> On Sunday, August 7, 2022 at 02:32:52 PM PDT, Zach Metzinger <\n> [email protected]> wrote:\n>\n>\n> On 8/7/22 12:45, Ashhar Farhan wrote:\n> > This is the problem of fm sats. It is the first pass the pole system. I\n> > wish we had more linear transponders.\n>\n> Hello Ashhar,\n>\n> I agree that FM satellites are of limited use due to the \"capture\"\n> effect and alligators. No matter how many FM channels we include on\n> future satellites, we'll always have someone getting stomped on.\n> Additionally, FM is not an efficient mode with regard to limited\n> satellite power. It requires much greater SNR than SSB/CW or digital\n> voice (with FEC).\n>\n> Everyone on amsat-bb,\n>\n> I see the need for innovation in the following areas:\n>\n> 1. More linear satellites for CW/SSB modes.\n>\n> 2. More _digital_ satellites for digital voice and networked data.\n>\n> Packet is simple and effective, but we can do better in the future. 9k6\n> or faster uplink, 56k downlinks? How about linked satellites\n> (sat->Earth->sat or sat->sat if we're ambitious) using part of the\n> 44.0.0.0/8 network and being amateur radio's \"internet in space\"?\n>\n> 3. Kit-form ground equipment\n>\n> Yes, digital modes are better use of spectrum and power, but a 144/440\n> MHz SSB/CW kit could be done with a micro-controller that does the\n> Doppler adjustment for the user. Nothing requiring an external PC.\n>\n> I envision a small board, the size of a pack of playing cards, which has\n> all the RF and processing needed to be a linear/digital (or even FM)\n> ground terminal for the above satellites. Use BLE (Bluetooth Low Energy)\n> for the link to your cell phone or whatnot for the UI to keep it simple.\n>\n> AMSAT needs volunteers with vision and, most importantly, _time_ to make\n> some of these visions a reality.\n>\n> If any of this sounds interesting, please contact us!\n>\n> https://www.amsat.org/volunteer-for-amsat\n>\n> Should you not get a reply, don't hesitate to send me a note and, as one\n> of your elected BoD members, I'll make sure your volunteer request is\n> evaluated and matched up with AMSATs needs. Don't worry if you're not\n> sure you have the skills to do it- We're all amateurs here and we all\n> had to learn at some point!\n>\n> 73,\n>\n> --- Zach\n> N0ZGO\n>\n>\n> -----------------------------------------------------------\n>\n> Sent via AMSAT-BB(a)amsat.org. 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> Acceptable Use and Privacy Policies available at\n> https://www.amsat.org/about-amsat/\n>\n> View archives of this mailing list at\n> https://mailman.amsat.org/hyperkitty/list/[email protected]\n> To unsubscribe send an email to amsat-bb-leave(a)amsat.org\n> Manage all of your AMSAT-NA mailing list preferences at\n> https://mailman.amsat.org\n>\n> -----------------------------------------------------------\n>\n> Sent via AMSAT-BB(a)amsat.org. 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> Acceptable Use and Privacy Policies available at\n> https://www.amsat.org/about-amsat/\n>\n> View archives of this mailing list at\n> https://mailman.amsat.org/hyperkitty/list/[email protected]\n> To unsubscribe send an email to amsat-bb-leave(a)amsat.org\n> Manage all of your AMSAT-NA mailing list preferences at\n> https://mailman.amsat.org\n\n\n", "attachments": [ { "email": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/WASRD3YA4ZLBV3YRBNKDK7AMN2OUSLTG/?format=api", "counter": 2, "name": "attachment.html", "content_type": "text/html", "encoding": "utf-8", "size": 8394, "download": "https://mailman.amsat.org/hyperkitty/list/[email protected]/message/WASRD3YA4ZLBV3YRBNKDK7AMN2OUSLTG/attachment/2/attachment.html" } ] }