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GET /hyperkitty/api/list/[email protected]/email/7R2QD3IH7TYDPZIBGIA7IZ72QASFFCVV/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/7R2QD3IH7TYDPZIBGIA7IZ72QASFFCVV/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "CAK9b=dhK6UqoiJTTf91z0gHLYah4tFf1Z4L_dEEg9ruC_ey7Pw@mail.gmail.com", "message_id_hash": "7R2QD3IH7TYDPZIBGIA7IZ72QASFFCVV", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/7R2QD3IH7TYDPZIBGIA7IZ72QASFFCVV/", "sender": { "address": "llryan807 (a) gmail.com", "mailman_id": "0a7d27f4ae6f453bbac45c8f738a4e86", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/0a7d27f4ae6f453bbac45c8f738a4e86/emails/" }, "sender_name": "Larry Ryan", "subject": "[amsat-bb] Still trying to repair a Mirage KP-2 2 meter preamp", "date": "2016-02-19T00:10:44Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "I am trying to repair a Mirage KP-2 series mast-mount 2M preamp. It is\nquite old. Also, I have the companion bias-tee or Control Box as Mirage\ncalls it.\n\nIt comes in a black plastic box with the hardware to mount it on a mast.\nTesting indicates the relay works and some transistors have a voltage.\nUnfortunately testing also indicates its an attenuator. I think it has a\nblown gasfet.\n\nThe small round gasfet has 4 leads and has the following markings on top:\n\nK183\nR 43\n\nThe PCB is marked KP1&2 Rev B. The\nHave any of you repaired a KP-2 2M preamp?\n\nDo any of you have a schematic diagram of this preamp?\n\nDo any of you know the part number of the gasfet transistor? (I'm thinking\nits the problem)\n\n\nAny help would be appreciated.\n\nThanks & 73, Larry W7DGP\n", "attachments": [] }