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GET /hyperkitty/api/list/[email protected]/email/XKACQPU7JU3YKS5KL55EEF3SCVRXVMWR/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/XKACQPU7JU3YKS5KL55EEF3SCVRXVMWR/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "CAHHZQ2k2zVwXtsf_jj81A87UebqnPkEecVjvLoV65nDEsvJz_Q@mail.gmail.com", "message_id_hash": "XKACQPU7JU3YKS5KL55EEF3SCVRXVMWR", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/O6YNTOAC36K54YCPAYF6LXTS2U4H4ZWJ/", "sender": { "address": "shorenicehere (a) gmail.com", "mailman_id": null, "emails": null }, "sender_name": "Jackie Dander", "subject": "Re: [amsat-bb] dual band vhf/uhf antenna", "date": "2020-02-16T15:58:34Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/XW2AAZVSXJSGQRVCHLHDQI3DHNIEL7F4/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "thanks for your reply.\nYes, Kent's success is evidence that if I copied his yagi plans properly I\nshould do well.\nI have used my built yagi to listen in on AO-91 and AO-92 (QSL attempts by\nothers) as well as NOAA-18, 19 ( just signals).\nI noticed, by experiments, that I could pick up AO-92 with just my HT and\nit's rubber duck antenna better than with my yagi. Still learning......\n\nOn Sunday, February 16, 2020, Ev Tupis via AMSAT-BB <[email protected]>\nwrote:\n\n> Hi Jackie,\n> Same-plane antennas work nicely, as long as they are designed with that in\n> mind. See multi-band same-plane yagi examples in the HF world. Kent is a\n> skilled designer who both engineers *and* pretests before publication.\n>\n> Simply interlacing antenna elements for different bands without taking\n> into account their mutual interaction invites problems.\n> Arrow gets around that by placing different bands in different planes.\n>\n> Ev, W2EV\n>\n>\n> On Sunday, February 16, 2020, 7:08:34 AM EST, Jackie Dander via\n> AMSAT-BB <[email protected]> wrote:\n>\n> I built the combination dual band 2meter/70cm antenna found at WA5VJB's\n> webpages. I chose the 5 elements on UHF forward and 2 elements on VHF rear.\n> All elements are in the same plane.\n> I now read elsewhere that in-same-plane uhf/vhf elements can interfere with\n> each other. I visited the Arrow website and see their LEO antennas are\n> opposing for uhf/vhf.\n> My question is if i made a mistake building the uni-plane version? Why did\n> WA5VJB has such success?\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions\n> expressed\n> are solely those of the author, and do not reflect the official views of\n> AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb\n>\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions\n> expressed\n> are solely those of the author, and do not reflect the official views of\n> AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb\n>\n", "attachments": [] }