{"id":44604,"date":"2020-08-03T07:10:20","date_gmt":"2020-08-03T11:10:20","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=44604"},"modified":"2020-08-03T08:06:04","modified_gmt":"2020-08-03T12:06:04","slug":"rob-sherwoods-presentation-transceiver-performance-for-the-hf-dx-operator","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2020\/08\/rob-sherwoods-presentation-transceiver-performance-for-the-hf-dx-operator\/","title":{"rendered":"Rob Sherwood&#8217;s presentation: &#8220;Transceiver performance for the HF\/DX operator&#8221;"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/08\/Yaesu-FTdx101D.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44605\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/08\/Yaesu-FTdx101D.jpeg\" alt=\"\" width=\"967\" height=\"394\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/08\/Yaesu-FTdx101D.jpeg 967w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/08\/Yaesu-FTdx101D-300x122.jpeg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/08\/Yaesu-FTdx101D-768x313.jpeg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/08\/Yaesu-FTdx101D-624x254.jpeg 624w\" sizes=\"auto, (max-width: 967px) 100vw, 967px\" \/><\/a><\/p>\n<p>Many thanks to <em>SWLing Post<\/em> contributor, Paul, who shares the following video of a recent presentation by Rob Sherwood (NC0B) for Ham Holiday Oklahoma.<\/p>\n<p>I love Rob&#8217;s presentations because not only is he <a href=\"http:\/\/www.sherweng.com\/table.html\" target=\"_blank\" rel=\"noopener noreferrer\">an authority on testing receivers and transceivers<\/a>, but he also has a very pragmatic approach to operating radios. Rob speaks to the importance of using pre amps, attenuators and adjusting your receiver for band conditions. I&#8217;ve been with lifelong ham radio operators and SWLs who never use pre amplification, attenuation, or adjust their RF gain control&#8211;these are very powerful tools, especially during the noisy summer months.<\/p>\n<p>If you&#8217;ve never seen one of Rob&#8217;s presentations before, I highly recommend checking out this one:<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/YHZuz9BPzcE?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;start=100&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>Thanks again for the tip, Paul!<\/p>\n<p>Click here to check out <a href=\"http:\/\/www.sherweng.com\" target=\"_blank\" rel=\"noopener noreferrer\">Rob Sherwood&#8217;s home page<\/a> and <a href=\"http:\/\/www.sherweng.com\/table.html\" target=\"_blank\" rel=\"noopener noreferrer\">receiver test data table<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor, Paul, who shares the following video of a recent presentation by Rob Sherwood (NC0B) for Ham Holiday Oklahoma. I love Rob&#8217;s presentations because not only is he an authority on testing receivers and transceivers, but he also has a very pragmatic approach to operating radios. Rob speaks to the [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[545,3,43],"tags":[4102,6844,4082,4093],"class_list":["post-44604","post","type-post","status-publish","format-standard","hentry","category-ham-radio","category-news","category-shortwave-radio","tag-ham-radio","tag-rob-sherwood","tag-shortwave-radio","tag-videos"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-bBq","jetpack-related-posts":[{"id":47175,"url":"https:\/\/swling.com\/blog\/2021\/01\/rob-sherwood-tests-the-new-yaesu-ftdx10\/","url_meta":{"origin":44604,"position":0},"title":"Rob Sherwood tests the new Yaesu FTDX10","author":"Thomas","date":"January 5, 2021","format":false,"excerpt":"Many thanks to Rob Sherwood (NC0B) who shares his recent assessment of the new Yaesu FTDX10. In short: the FTDX10 is now number 3 (at time of posting) on Rob's receiver test data table-- a table sorted by third-order dynamic range narrow spaced. Most impressive! Click here to download Rob's\u2026","rel":"","context":"In &quot;Ham Radio&quot;","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/Yaesu-FTDX10.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/Yaesu-FTDX10.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/Yaesu-FTDX10.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/Yaesu-FTDX10.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/Yaesu-FTDX10.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":46220,"url":"https:\/\/swling.com\/blog\/2020\/10\/rob-sherwood-on-ham-talk-live-tonight-october-29-2020\/","url_meta":{"origin":44604,"position":1},"title":"Rob Sherwood on Ham Talk Live tonight (October 29, 2020)","author":"Thomas","date":"October 29, 2020","format":false,"excerpt":"I just discovered Rob Sherwood (NC0B) will be on Ham Talk Live tonight. Rob always has fascinating comments about receiver performance, so this should be a great episode. Here are details: Rob Sherwood, NC0B from Sherwood Engineering returns to Ham Talk Live! Thursday night to talk about the performance of\u2026","rel":"","context":"In &quot;Ham Radio&quot;","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/10\/Rob-Sherwood.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":10948,"url":"https:\/\/swling.com\/blog\/2014\/09\/sherwood-engineering-ranks-the-flex-6700-sdr\/","url_meta":{"origin":44604,"position":2},"title":"Sherwood Engineering ranks the Flex -6700 SDR","author":"Thomas","date":"September 29, 2014","format":false,"excerpt":"Rob Sherwood has now tested and ranked the new FlexRadio Systems 6700\u00a0transceiver on his benchmark receiver test data page.\u00a0 The '6700 tops\u00a0the list when sorted by third-order dynamic range, narrow spaced. Click here to view the results.","rel":"","context":"In &quot;Ham Radio&quot;","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"Flex_6700","src":"https:\/\/i0.wp.com\/qrper.com\/wp-content\/uploads\/2014\/09\/Flex_6700.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/qrper.com\/wp-content\/uploads\/2014\/09\/Flex_6700.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/qrper.com\/wp-content\/uploads\/2014\/09\/Flex_6700.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/qrper.com\/wp-content\/uploads\/2014\/09\/Flex_6700.jpg?resize=700%2C400 2x"},"classes":[]},{"id":52719,"url":"https:\/\/swling.com\/blog\/2022\/05\/radio-waves-holme-moss-transmitter-sherwood-tools-world-of-lpfms-shortwave-revival-response-and-russia-thrown-back-40-years\/","url_meta":{"origin":44604,"position":3},"title":"Radio Waves: Holme Moss Transmitter, Sherwood Tools, World of LPFMs, Shortwave Revival Response, and Russia &#8220;Thrown Back 40 Years&#8221;","author":"Thomas","date":"May 14, 2022","format":false,"excerpt":"Radio Waves:\u00a0 Stories Making Waves in the World of Radio Welcome to the\u00a0SWLing Post\u2019s Radio Waves, a collection of links to interesting stories making waves in the world of radio.\u00a0Enjoy! Holme Moss transmitter (BBC Archives) A look at how the BBC's third television transmitter in West Yorkshire was built. These\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/05\/3dSherwoodPlot.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/05\/3dSherwoodPlot.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/05\/3dSherwoodPlot.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/05\/3dSherwoodPlot.webp?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":30849,"url":"https:\/\/swling.com\/blog\/2018\/02\/icom-ic-r8600-added-to-sherwoods-receiver-test-data-table\/","url_meta":{"origin":44604,"position":4},"title":"Icom IC-R8600 added to Sherwood&#8217;s Receiver Test Data Table","author":"Thomas","date":"February 13, 2018","format":false,"excerpt":"Rob Sherwood, at Sherwood Engineering, has now published test results of the Icom IC-R8600\u00a0wideband receiver. The IC-R8600 is (impressively) second from the top of the list sorted by third-order dynamic range narrow spaced if phase noise limited: Click here to view the full list at Sherwood Engineering. Click here to\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"Icom IC-R8600","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/04\/Icom-IC-8600.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/04\/Icom-IC-8600.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/04\/Icom-IC-8600.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/04\/Icom-IC-8600.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":60817,"url":"https:\/\/swling.com\/blog\/2024\/10\/from-the-archives-when-the-fertilizer-hits-the-fan-radio-kit\/","url_meta":{"origin":44604,"position":5},"title":"From the Archives: When the fertilizer hits the fan radio kit","author":"Jock Elliott","date":"October 9, 2024","format":false,"excerpt":"By Jock Elliott, KB2GOM Murphy\u2019s Law: If anything can go wrong, it will. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1st corollary: Even if anything can\u2019t go wrong, it still will. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2nd corollary: It will go wrong in the worst possible place at the worst possible time. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Most devastating corollary: Murphy was an optimist.\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/10\/ivan-hurricane.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/10\/ivan-hurricane.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/10\/ivan-hurricane.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/44604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=44604"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/44604\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=44604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=44604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=44604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}