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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ZM75JD367CENBWXBJAAIGAMTLUEW4HNA/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "ZM75JD367CENBWXBJAAIGAMTLUEW4HNA",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/G5LW2EEGXNW4PZKJUVJ4JAJ4PBWJ2XJX/",
    "sender": {
        "address": "ronoverdrive (a) tehfurry.com",
        "mailman_id": "813484ce2b5442148f5f100f58809600",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/813484ce2b5442148f5f100f58809600/emails/"
    },
    "sender_name": "Ron Overdrive",
    "subject": "[amsat-bb] Re: AO-7 question",
    "date": "2010-06-10T18:43:58Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/FX3RPLMRGFXCUXQ3QM2JEJIPSS42O647/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "As far as I can tell looking at AMSAT's website and the AO-7 Log & Resource\nsite I'm not seeing anything mentioning EIRP. Everything says to keep your\npower low like 5 watts or less. I'm not sure what kind of antenna gain\nthey're assuming when they say that. I pretty much always operate low power\nas it is and the only indicator they give is if you hear FM noise while in\nSSB, unfortunately being a new ham I do not know what that sounds like.\n\nOn Thu, Jun 10, 2010 at 2:31 PM, Samudra Haque <[email protected]>wrote:\n\n> Hi does the spec specify the output power as EIRP or not?\n>\n> If EIRP the antenna gain needs to be part of the equation and\n> therefore you need to reduce your transmission power to avoid desense\n> at the receiver on orbit. If the spec does not specify then there\n> should be a receiver senstivity figure already published which would\n> be useful in a link budget equation.\n>\n> Sent on the road... If urgent call (202) 812-3325\n>\n> On Jun 10, 2010, at 12:46 PM, Ron Overdrive\n> <[email protected]> wrote:\n>\n> > One thing I always noticed is that its recommended to not exceed 5\n> > watts\n> > when operating on AO-7, but I'm not seeing anything about maximum\n> > gain to\n> > use. I have an Arrow II handheld yagi and on the 440 side supposedly\n> > it has\n> > a 10dbd gain which would give me effectively 50 watts output\n> > assuming no\n> > losses. So my question in a nutshell is, what is the maximum\n> > recommended\n> > radiated power recommended with this bird?\n> >\n> > ~73, KC2WQW Ron\n> > _______________________________________________\n> > Sent via [email protected]. Opinions expressed are those of the\n> > author.\n> > Not an AMSAT-NA member? Join now to support the amateur satellite\n> > program!\n> > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>\n",
    "attachments": []
}