{"id":238,"date":"2015-01-16T06:44:02","date_gmt":"2015-01-16T06:44:02","guid":{"rendered":"http:\/\/vk8bn.me\/info\/?p=238"},"modified":"2018-12-22T16:07:41","modified_gmt":"2018-12-22T06:37:41","slug":"mosley-ta-36-triband-beam","status":"publish","type":"post","link":"https:\/\/vk8bn.me\/info\/mosley-ta-36-triband-beam\/","title":{"rendered":"Mosley TA-36 Triband beam"},"content":{"rendered":"

Assembly Handbook and Coax Transformer construction details for the Mosley TA-36 Tri-band beam antenna.<\/p>\n

\"Page1\"<\/a><\/p>\n

\"page2\"<\/a><\/p>\n

\"Page3\"<\/a><\/p>\n

 <\/p>\n

\"page5\"<\/a><\/p>\n

\"Page6\"<\/a><\/p>\n

\"page2\"<\/a><\/p>\n

\"Page7\"<\/a><\/p>\n

\"TA36<\/a><\/p>\n

I have constructed a transformer as described above and terminated the transmitter end of the transformer with a 51 Ohm chip resistor, I then measured the impedance at the pigtail end using an Autec research Vector analyst.  At 14.2 MHz the impedance was 29 -j12 ohms at 21.2 MHz 24 -j1 ohms  and at 28.8 MHz 20+j8 ohms.  These are very likely correct impedance’s to provide a conjugate match for  the driven element of a multi-element beam antenna. Tests on an actual beam in the coming weeks will reveal whether this transformer will give a good match from the beam to a 50 ohm feed line.<\/p>\n

After an inquiry regarding the manufacture of a transformer, Mosley stated that “A field repair can be done, but usually the match is not achieved”. Moseley Electronics Still produce the Original transformer at $99.95 USD, Shipping and handling not included.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Assembly Handbook and Coax Transformer construction details for the Mosley TA-36 Tri-band beam antenna.<\/p>\n","protected":false},"author":2,"featured_media":240,"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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[12],"tags":[],"class_list":["post-238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-antennas"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/vk8bn.me\/info\/wp-content\/uploads\/2015\/01\/Page1.jpg?fit=1152%2C1284&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8ympN-3Q","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/posts\/238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/comments?post=238"}],"version-history":[{"count":14,"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/posts\/238\/revisions"}],"predecessor-version":[{"id":565,"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/posts\/238\/revisions\/565"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/media\/240"}],"wp:attachment":[{"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/media?parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/categories?post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vk8bn.me\/info\/wp-json\/wp\/v2\/tags?post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}