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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/JT3LSRQKZGZPH37TGUYEAOIZTKTJW4KQ/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "FE70AA21B0054BA5AD1003CF994043B1@Poseidon",
    "message_id_hash": "JT3LSRQKZGZPH37TGUYEAOIZTKTJW4KQ",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/J6XBZ7JX2HMFLSH6CGHYKRE5GJYSKXVZ/?format=api",
    "sender": {
        "address": "daivi248 (a) zahav.net.il",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "David Greenberg",
    "subject": "[amsat-bb] Re: Cushcraft 416-TB",
    "date": "2011-03-23T13:50:14Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/J6XBZ7JX2HMFLSH6CGHYKRE5GJYSKXVZ/?format=api",
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/OU33TGKGAL6PYSSCCRHIEFQISG47VRZ3/?format=api"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hello Howard,\n\n>From the cable length that you measure it looks like 3/4 Lambda instead of 1/4 Lambda which is too short for convenience working. From the electrical point of view it is the same, assuming low loss coax.\n\nDavid 4X1DG\n  ----- Original Message ----- \n  From: Howard Kowall \n  To: AMSAT BB \n  Sent: Wednesday, March 23, 2011 3:28 PM\n  Subject: [amsat-bb] Cushcraft 416-TB\n\n\n  Hello All\n  I acquired a Cushcraft 416-Tb antenna,the so called phasing harness was in bad shape,so I am going to make a new one for it.\n  I could copy the original one,but yes I am making it hard on myself and decide to calculate the proper cable type and length,and to do that I need to know how the antenna actually works.Here is my problem ,the 2 driven elements have a balun to each of the Tmatchs to make the impedance 50 ohms on each driven element.The original phasing harness is 2 piece of 75 ohm aprox 13\" that goes to each driven element and the a so239 connector on the other end of the harness is the 50 ohm feedline.I originally thought this was a matching stub,but when I do the calculation for the matching stub,should only be aprox 4\" to each driven element.Am I missing something here,how are they able to do this,does anyone know this antenna and how it works.\n  Thanks to all who read and respond in advance\n  Howard VE4ISP\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",
    "attachments": []
}