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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/WMMY2BHUKMTFSEROUWN3MDEMEHAFCUQC/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "10AA189468774CE885907C1B19A65107@Sheba",
    "message_id_hash": "WMMY2BHUKMTFSEROUWN3MDEMEHAFCUQC",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/JC22SYHGSQFT5FWGE3G3PUC57QBDXXKD/?format=api",
    "sender": {
        "address": "n8deu (a) att.net",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Tim Cunningham",
    "subject": "[amsat-bb] Re: Looking for a G3RUH dish",
    "date": "2012-01-05T00:14:35Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/JC22SYHGSQFT5FWGE3G3PUC57QBDXXKD/?format=api",
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ICZZNTIPTHWJJXSVIURBUPZYSRUFQZ6F/?format=api"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "I am not sure  Tek Sharp continues to make the patch feeds. They certainly \ndo not make the tri-band feed, but I was able to get a dual band patch from \nthem in June 2009 for one of their hardware cloth dishes.\n\n\n73's,\nTim - N8DEU\n\n\n----- Original Message ----- \nFrom: \"K5OE\" <[email protected]>\nTo: <[email protected]>\nSent: Wednesday, January 04, 2012 4:37 PM\nSubject: [amsat-bb] Re: Looking for a G3RUH dish\n\n\n>\n> Bob,\n> Regarding your Cu wire dish... you might look at the Tek Sharp dishes as \n> an easier alternative to \"rolling your own.\"  I picked one up on ebay \n> about a year ago and put it in my attic... waiting for amsat-dl :-)\n>\n> http://www.plumdragon.com/teksharp/hr_AO-40_products.htm\n>\n> Drew,\n> I have a spare PF dish about 60 cm, but it is steel, not aluminum like the \n> G3RUH.  I used it on AO-40 for 24 GHz.  Let me know off-list if you want \n> it.\n>\n> 73,\n> Jerry, K5OE\n>\n> ---- previous message ----\n> You probably have one of the K5GNA \"BBQ\" dishes. The G3RUH is a solid \n> round\n> spun dish.\n>\n> 73, Drew\n>\n> -----Original Message-----\n>>From: Bob Bruninga <[email protected]>\n>>Sent: Jan 3, 2012 2:19 PM\n>>To: 'Andrew Glasbrenner' <[email protected]>, 'amsat-bb'\n>><[email protected]>\n>>Subject: RE: [amsat-bb] Looking for a G3RUH dish\n>>\n>>> I'm looking for one of the 60cm G3RUH dishes\n>>\n>>Got one, (but not available).\n>>\n>>Questions:  I measured reflector grid separation as .88 inches which works\n>>out to be about 0.18 wavelength.  I always thought the grid had to be\n>>tighter than 0.1 inches to be an effective \"surface\".\n>>\n>>Maybe the difference with almost double the spacing is not that \n>>significant?\n>>(especially for a steel one which would be quite heavy.\n>>\n>>Reason I am asking is that I also need another S band dish (at 70 MPH on \n>>the\n>>roof of a tracking van) and we are thinking about building one by using an\n>>old solid 6' TVRO dish as a form and laying in copper wire and soldering \n>>it\n>>to copper straps.  With all that labor, I'd not want to get the spacing\n>>wrong.\n>>\n>>Bob, Wb4APR\n>>\n>\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",
    "attachments": []
}