{"id":34030,"date":"2018-09-08T06:44:26","date_gmt":"2018-09-08T10:44:26","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=34030"},"modified":"2018-09-08T06:44:26","modified_gmt":"2018-09-08T10:44:26","slug":"a-free-book-pdf-on-sun-earth-interaction","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2018\/09\/a-free-book-pdf-on-sun-earth-interaction\/","title":{"rendered":"A free book (PDF) on sun-earth interaction"},"content":{"rendered":"

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

Many thanks to SWLing Post<\/em> contributor, Eric (WD8RIF), who writes:<\/p>\n

This came in the most recent ARRL Contest newsletter<\/a>:<\/p>\n

The Sun, The Earth, and Near-Earth Space: A Guide to the Sun-Earth System<\/a> by J. A. Eddy is a readable and accessible textbook that explains the dynamics of the Sun and its interaction with the Earth’s ionosphere. It’s available as a free download<\/a>, courtesy of NASA<\/a> and the International Living with a Star Program<\/a>. Anyone using the ionosphere as a medium for radio wave transmission and wants to better understand propagation should find this book of interest. (Ward, N0AX)<\/p>\n<\/blockquote>\n

Thank you for the stellar tip, Eric!<\/p>\n","protected":false},"excerpt":{"rendered":"

Many thanks to SWLing Post contributor, Eric (WD8RIF), who writes: This came in the most recent ARRL Contest newsletter: The Sun, The Earth, and Near-Earth Space: A Guide to the Sun-Earth System by J. A. Eddy is a readable and accessible textbook that explains the dynamics of the Sun and its interaction with the Earth’s […]<\/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":[545,3,43,810],"tags":[7291,2011,2887,7292,1672,811],"class_list":["post-34030","post","type-post","status-publish","format-standard","hentry","category-ham-radio","category-news","category-shortwave-radio","category-space-weather","tag-a-guide-to-the-sun-earth-system","tag-arrl","tag-eric-mcfadden","tag-j-a-eddy","tag-nasa","tag-spaceweather"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-8QS","jetpack-related-posts":[{"id":31412,"url":"https:\/\/swling.com\/blog\/2018\/03\/the-iss-will-be-sending-sstv-in-april\/","url_meta":{"origin":34030,"position":0},"title":"The ISS will be sending SSTV in April","author":"Thomas","date":"March 31, 2018","format":false,"excerpt":"(Source: ARRL via Eric McFadden, WD8RIF) Space Station\u2019s Slow-Scan Television System to be Active in April The Amateur Radio Slow-Scan Television (SSTV) system on the International Space Station (ISS) is expected to be active in April on 145.800 MHz (FM). The Russian segment\u2019s MAI 75 SSTV has announced transmissions on\u2026","rel":"","context":"In "Digital Modes"","block_context":{"text":"Digital Modes","link":"https:\/\/swling.com\/blog\/category\/digital-modes\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/07\/ISS.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/07\/ISS.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/07\/ISS.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":36786,"url":"https:\/\/swling.com\/blog\/2019\/04\/hf-military-communication-exercise-announcements-on-wwv-wwvh\/","url_meta":{"origin":34030,"position":1},"title":"HF military communication exercise announcements on WWV\/WWVH","author":"Thomas","date":"April 3, 2019","format":false,"excerpt":"(Source: ARRL News via Eric WD8RIF) The US Department of Defense (DOD) plans to start making use of a provisional time slot on WWV and WWVH to announce upcoming HF military communication exercises and how the Amateur Radio community can become involved in them. The announcements will occur at 10\u2026","rel":"","context":"In "Ham Radio"","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\/2018\/12\/Radiwow-R-108-Detail-Froont-1024x680.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Radiwow-R-108-Detail-Froont-1024x680.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Radiwow-R-108-Detail-Froont-1024x680.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":28684,"url":"https:\/\/swling.com\/blog\/2017\/10\/648-khz-radio-caroline-gets-a-permanent-home-on-the-mw-broadcast-band\/","url_meta":{"origin":34030,"position":2},"title":"648 kHz: Radio Caroline gets a permanent home on the MW broadcast band","author":"Thomas","date":"October 8, 2017","format":false,"excerpt":"(Source: ARRL News via Eric McFadden, WD8RIF) Radio Caroline, the latter-day incarnation of the famous shipboard pirate radio station that beamed rock music to the UK in the 1960s and 1970s, has obtained a license to operate permanently on 648 kHz at 1 kW ERP. A transmitter imported from Europe\u2026","rel":"","context":"In "AM"","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\/2011\/04\/radiocaroline.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":34375,"url":"https:\/\/swling.com\/blog\/2018\/10\/arrl-takes-minor-exception-to-wording-of-fcc-enforcement-advisory-regarding-uncertified-two-way-radios\/","url_meta":{"origin":34030,"position":3},"title":"ARRL takes minor exception to wording of FCC Enforcement Advisory regarding uncertified two-way radios","author":"Thomas","date":"October 5, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Eric McFadden, who shares the following ARRL response to the FCC Enforcement Advisory we posted last week. The following was published\u00a0in the ARRL News: ARRL has taken a minor exception to the wording of a September 24 FCC Enforcement Advisory pertaining to the importation,\u2026","rel":"","context":"In "Ham Radio"","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\/2018\/09\/BaoFeng-UV-5R.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":28527,"url":"https:\/\/swling.com\/blog\/2017\/09\/puerto-rico-amateur-radio-operators-fill-red-cross-request-for-deployment-within-24-hours\/","url_meta":{"origin":34030,"position":4},"title":"Puerto Rico: Amateur Radio operators fill Red Cross request for deployment within 24 hours","author":"Thomas","date":"September 27, 2017","format":false,"excerpt":"A follow-up from our post yesterday. Most impressive response from the amateur radio community--incredible... (Source: ARRL News via Eric, WD8RIF) Fifty of the nation\u2019s most accomplished Amateur Radio operators responded within 24 hours to the call of the American Red Cross to deploy to Puerto Rico and provide emergency communications.\u2026","rel":"","context":"In "Ham Radio"","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\/2016\/06\/ARRL.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/06\/ARRL.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/06\/ARRL.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":39956,"url":"https:\/\/swling.com\/blog\/2019\/10\/free-download-decoding-numbers-stations\/","url_meta":{"origin":34030,"position":5},"title":"Free download: “Decoding Numbers Stations”","author":"Thomas","date":"October 1, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Eric McFadden, who shares the following note from the Southgate ARC: The article Decoding Numbers Stations by Allison McLellan\u00a0which appears in the November 2019 issue of ARRL's QST magazine is available for free download Download the article PDF from http:\/\/www.arrl.org\/this-month-in-qst Digital membership of ARRL\u2026","rel":"","context":"In "News"","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/10\/Decoding-Numbers-Stations.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/10\/Decoding-Numbers-Stations.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/10\/Decoding-Numbers-Stations.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/10\/Decoding-Numbers-Stations.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/34030","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=34030"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/34030\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=34030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=34030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=34030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}