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GET /hyperkitty/api/list/[email protected]/email/A7VR5SYFPDYXOTYHR7KWOLNRH3KSJCJL/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/A7VR5SYFPDYXOTYHR7KWOLNRH3KSJCJL/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "000301c70cc8$05020740$c4e6fea9@apbiddlecomp", "message_id_hash": "A7VR5SYFPDYXOTYHR7KWOLNRH3KSJCJL", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/RYJ52C3WLT4HGG5WBTL3PIA32QCM62ZU/", "sender": { "address": "APBIDDLE (a) mailaps.org", "mailman_id": null, "emails": null }, "sender_name": "Alan P. Biddle", "subject": "[amsat-bb] Re: Trackbox interfernces", "date": "2006-11-20T17:19:19Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/RYJ52C3WLT4HGG5WBTL3PIA32QCM62ZU/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Enzio,\n\nWhen I built my T_B years ago, I added some small ferrite chokes inside the\naluminum box for the CAT, power, and rotator control lines. Since there\nshould be no RF, the values are not critical. Mine came from my junk box.\nI did not need them, but some small bypass capacitors at the inputs might\nhelp. Using an aluminum box with good shielding resulted in no RF noise.\n\nYou might try a good external RF clamp on choke on the external lines. This\nshould at least allow you find where the problem is. Don't forget to check\nthe LCD display if it is not one or more of the lines. Some of them can\nalso radiate. Finally, a conventional noise blanker is often effective with\nimpulsive noise.\n\nGood luck,\n\nAlan\nWA4SCA\n\n\n", "attachments": [] }