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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/QQMNLOYTK4JRF3J4NV4RZRUEEOEJMYJU/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "QQMNLOYTK4JRF3J4NV4RZRUEEOEJMYJU",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/QQMNLOYTK4JRF3J4NV4RZRUEEOEJMYJU/?format=api",
    "sender": {
        "address": "k8ocl (a) hotmail.com",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "John Champa",
    "subject": "[amsat-bb] Re: S band interference solution",
    "date": "2006-10-05T17:12:11Z",
    "parent": null,
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/2PIKBJZGQ3ZXM2CTLBNLXP2IAQSXQ5CH/?format=api"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Luc,\n\nOK, you're right.  Some folks can't handle ridicule, so I will try to be \nmore tutorial and less shaming. But it never stops amazing me how folks in a \ntechnical wireless avocation such Amateur Radio can have such an extremely \nnarrow focus in wireless!\n\nFor example, hand a standard satellite telephone to the average Ham, even an \nAMSAT member, and ask him to make one phone call, just one.  Or give them a \nLinksys 802.11g Access Point (AP) from Radio Shack and ask them to set up a \nsmall wireless local area network (WLAN).  Or this one: Hand them a old \nlaptop PC and ask them to upgrade it to a WiFi wireless client and then go \ndown to their local coffee shop and surf the Internet.\n\nPlease keep in mind, these are ALL common consumer wireless devices! And our \nlovely test subjects are all supposedly sophisticated wireless licensed \nRADIO amateurs.  But chances are excellent they would NOT HAVE A CLUE how to \ndo any of these common consumer wireless tasks.  They left their wireless \ncuriosity on the door step somewhere and got super specialized.   \nOpps...there is that ridicule tone again.  Got to stop that!  (HI)\n\nWhy am I rambling on like this?  Because the result of all this is that \nsatellite Hams can send a signal on a 50k mile round trip to some bird they \nhelped design (remotely) and build (remotely) themselves, but they can NOT \nfigure out how to manage a $60 unlicensed wireless device their neighbor \nbought at Best Buy.  So they spend hours on this reflector lamenting the \npotential loss of a cherished Mode S instead applying just a tiny little bit \nof traditional Amateur Radio ingenuity and tracking down and dealing with \nthe low power device(s) in their own neighborhood.\n\nHowever, there is one saving grace.  The WiFi users are no better, buth then \nthey don't claim to some kind of wireless guru.  They will come to me \nbecause their AP is running slow.  They suspect interference.  I will tell \nthem about free NetStumbler software.  Load it and tell me what you see.\n\nNext day.  They return and say they saw that all three of the other \nneighbors and themselves are all on the device's default radio channel 6!  \nSo I advise them to go back into their AP configuration software and change \ntheir AP channel to 11.  The next day...miracle!  The slow problem went \naway!  Amazing!\n\nWell, Hams can do the same thing!  Chances are if they use NetStumbler to \nlook at their neighborhood they will see the following frequency channel \ndistribution of devices:\n\n90%  on channel 6 (most common WiFi default channel) --   NO problem.  \nIgnore these.\n5%   on channel 11 -- NO problem, that's not even in the Ham Band.  Ignore \nthese.\n10% on channel 1  --  Ahh!  Those are the problem!  They must be gently \npersuaded to go to some channel above 1.  That may solve your problem.  \nBetter yet, ask them to move to some channel above 6.  That way they are \nstarting to get out of the Ham band entirely.\n\nThat 10% on channel 1 may amount to only 1 or 2 WiFi users in your entire \nneighborhood.  A little TVI-type PR in reverse and a little TLC and the \nproblem is solved!\n\nHow's that Luc?  A little more encouraging?\n\nVy 73,\nJohn - K8OCL\nAMSAT Life Member 1069\n\n\n\n>From: Luc Leblanc VE2DWE <[email protected]>\n>To: [email protected]\n>Subject: [amsat-bb] Re: S band interference solution\n>Date: Thu, 05 Oct 2006 10:08:49 -0400\n>\n>On 5 Oct 2006 at 8:21, John Champa wrote:\n>\n> > I really do get bored reading about all these threats to Mode S from \n>WiFi,\n> > etc.\n> >\n> >\n> > For a bunch of supposedly sophisticated wireless guys, you sure don't \n>know\n> > beans about\n> > consumer grade wireless devices.  That includes our wonderfully \n>dedicated\n> > but pessimistic AMSAT satellite engineers!\n>\n>I agree... but it sometimes very hard to convince and ridicule may prove \n>too much for some readers\n>but it can be of some help for some stubborn minds who are not pessimistic \n>but unrealistic.\n>\n>\n>\n>\"-\"\n>The medium is the message...The content is the audience...;)\n>\n>Luc Leblanc VE2DWE\n>WAC basic,CW,Phone,Satellite\n>Skype VE2DWE\n>www.qsl.net/ve2dwe\n>_______________________________________________\n>Sent via [email protected]. Opinions expressed are those of the author.\n>Not an AMSAT-NA member? Join now to support the amateur satellite program!\n>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n\n\n",
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