{"id":3063,"date":"2025-09-29T11:17:12","date_gmt":"2025-09-29T15:17:12","guid":{"rendered":"https:\/\/hamstudy.com\/2025\/?post_type=lesson&p=3063"},"modified":"2025-09-29T11:17:16","modified_gmt":"2025-09-29T15:17:16","slug":"b-007-006-mf-and-hf-critical-and-maximum-useable-frequencies-solar-flux","status":"publish","type":"lesson","link":"https:\/\/hamstudy.com\/2025\/lesson\/b-007-006-mf-and-hf-critical-and-maximum-useable-frequencies-solar-flux\/","title":{"rendered":"B-007-006 – MF and HF, critical and maximum useable frequencies, solar flux"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","meta":{"_initial_content":"","_new_post":false,"_quiz_has_questions":true,"_lesson_complexity":"easy","_lesson_length":10,"_lesson_course":27,"_lesson_preview":""},"lesson-tag":[],"class_list":["post-3063","lesson","type-lesson","status-publish","post-password-required","hentry","module-chapter-7-radio-wave-propagation","post"],"_links":{"self":[{"href":"https:\/\/hamstudy.com\/2025\/wp-json\/wp\/v2\/lessons\/3063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hamstudy.com\/2025\/wp-json\/wp\/v2\/lessons"}],"about":[{"href":"https:\/\/hamstudy.com\/2025\/wp-json\/wp\/v2\/types\/lesson"}],"version-history":[{"count":4,"href":"https:\/\/hamstudy.com\/2025\/wp-json\/wp\/v2\/lessons\/3063\/revisions"}],"predecessor-version":[{"id":3559,"href":"https:\/\/hamstudy.com\/2025\/wp-json\/wp\/v2\/lessons\/3063\/revisions\/3559"}],"wp:attachment":[{"href":"https:\/\/hamstudy.com\/2025\/wp-json\/wp\/v2\/media?parent=3063"}],"wp:term":[{"taxonomy":"lesson-tag","embeddable":true,"href":"https:\/\/hamstudy.com\/2025\/wp-json\/wp\/v2\/lesson-tag?post=3063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}