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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/YTTBUNB4KDDUDJEGFVEEQNBWBM2KXJYS/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "YTTBUNB4KDDUDJEGFVEEQNBWBM2KXJYS", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/CMABMPL7RLQH7LSTYGOUAFUWXFPME6HS/?format=api", "sender": { "address": "ve8rt (a) yknwt.ca", "mailman_id": "719ed984cb59438e9a7f3c6e3d9c84f3", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/719ed984cb59438e9a7f3c6e3d9c84f3/emails/?format=api" }, "sender_name": "Ron VE8RT", "subject": "Re: [amsat-bb] suitable omni antenna for FM sats?", "date": "2019-05-11T22:18:32Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/AHLVK6FFVYCVHBPTNDN6YCDW2TSGJIH6/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Hi Stephen,\n\n another operator had suggested the handheld antenna, but that\nwouldn't work well trying to operate outside in the dark with mitts on\nin winter :-( You'd freeze your *@^!@ off just from standing still,\nand trying to work with gloves - well you get the idea.\n\n The practical solution is an indoor station with computer rotator\ncontrol of azimuth. A satellite with a high elevation would have a\nfootprint over sparsely populated areas where there is little chance to\ntalk to anyone but yourself. Actually I took advantage of that when I\ngot back into satellites, a little practice when I knew that no one\ncould hear me but I could hear my downlink signal.\n\n I had anticipated that they may not get the required 80% on the exam\nto get HF access, so I sent the book up a couple of months ahead of\nthem writing the exam. They work in city administration and right now,\nwith spring thaw and very long daylight hours, they are busy at work,\nwhich should slow down before summer.\n\n So much has been invested by her, VY0YL, I want to do what I can to\nbe an encouragement.\n\n Ron VE8RT\n\nOn Sat, 11 May 2019 20:41:02 +0000\n\"Stephen E. Belter via AMSAT-BB\" <[email protected]> wrote:\n\n> Thanks for sending them the Getting Started With Amateur Satellites book.\n> \n> Chapter 4, Your Antenna System covers both omni and directional antennas. There is additional information in Appendix B, Upgrading Your Antenna System. \n> \n> For grid DP79, I’d look hard at a dual band Yagi with a fixed elevation (maybe 10-20 degrees) with an azimuth rotor, *if* a handheld antenna isn’t practical. \n> \n> I’ve operated satellites with a standard Arrow Antenna from BP40/50-53/61/64/83 and CP04/20/30/40. Not quite as far north as DP79, but still a fair distance from the lower 48 states. \n> \n> 73, Steve N9IP\n> --\n> Steve Belter, [email protected]\n> \n> \n> > On May 11, 2019, at 4:13 PM, John Kludt via AMSAT-BB <[email protected]> wrote:\n> > \n> > Ron,\n> > \n> > Everything Jeff days is true. But some of us live in covenant restricted settings and an omni is much easier to sneak in under the radar. I have switched back and forth between eggbeaters and various verticals. So far 88 grids. Three points:\n> > \n> > 1) Pay attention to ERP. You are going to need a little more uplink power to make up for the lack of Tx antenna gain.\n> > 2) Always, always use a preamp at the antenna on 435 down links\n> > 3) Be patient. This is a compromise solution and you are not going to knock them down every pass.\n> > \n> > If it is all you can do go ahead. Better to be on the air working the birds as best you can than doing nothing at all.\n> > \n> > John\n> > \n> > Sent from my Verizon Motorola Smartphone\n> >> On May 11, 2019 00:34, Jeff Moore via AMSAT-BB <[email protected]> wrote:\n> >> \n> >> As was stated multiple times in a very recent thread - omnis for sat work \n> >> are a poor compromise!! Even a small beam at a 15-degree angle will \n> >> generally blow most omnis off the roof! Even better would be a pair of \n> >> beams (one for uplink, one for downlink) on an azimuth/elevation rotor! \n> >> But handheld can work almost as good!! \n> >> \n> >> 7 3 \n> >> Jeff Moore --- KE7ACY \n> >> CN94 \n> >> \n> >> \n> >> On Fri, May 10, 2019 at 10:08 PM Ron VE8RT via AMSAT-BB <[email protected]> \n> >> wrote: \n> >> \n> >>> We have a newly licenced amateur in DP79. Because they fell a few \n> >>> points of getting their Basic with Honours they do not have HF \n> >>> privileges, their only way to communicate with the outside world is via \n> >>> satellite. Anticipating this possible outcome, that they may not get \n> >>> access to the HF bands, I sent them a hard copy, (no home internet, and \n> >>> its slow and expensive there if you do have it), of the current copy of \n> >>> \"Getting Started with Amateur Satellites\". As we're heading into the \n> >>> time of year to do any outside work, the most pressing question is what \n> >>> is the best compromise antenna for a base station. Keeping in mind \n> >>> their location, in order to work anyone they'll have to get into the \n> >>> satellites while the satellite is close to their horizon, otherwise the \n> >>> satellite footprint will not cover areas with any satellite operators. \n> >>> \n> >>> Ron VE8RT in DP22 \n> >>> \n> >>> -- \n> >>> Ron VE8RT <[email protected]> \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> >> 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> > _______________________________________________\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> _______________________________________________\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\n\n-- \nRon VE8RT <[email protected]>\n", "attachments": [] }