{"id":1720,"date":"2025-09-23T14:59:39","date_gmt":"2025-09-23T14:59:39","guid":{"rendered":"https:\/\/gfgmarine.com\/?p=1720"},"modified":"2026-11-11T17:46:51","modified_gmt":"2026-11-11T17:46:51","slug":"why-a-compass-is-necessary-for-side-imaging","status":"publish","type":"post","link":"https:\/\/gfgmarine.com\/ko\/articles\/why-a-compass-is-necessary-for-side-imaging\/","title":{"rendered":"\uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uc5d0 \ub098\uce68\ubc18\uc774 \ud544\uc694\ud55c \uc774\uc720"},"content":{"rendered":"<div class=\"product\"><div class=\"product\">\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \ubd84\uc774 \uad81\uae08\ud574\ud569\ub2c8\ub2e4. \uc5b4\uad70\ud0d0\uc9c0\uae30\uc5d0 \uc65c \ub098\uce68\ubc18\uc774 \ud544\uc694\ud560\uae4c\uc694? \ud2b9\ud788 \uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uc5d0\uc11c\uc694.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uc5d0 \ub098\uce68\ubc18\uc774 \ud544\uc694\ud55c \uc774\uc720<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5 \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub294 \uc120\uccb4, \uc8fc\ub85c \ud2b8\ub79c\uc12c\uc5d0 \ub2e8\ub2e8\ud788 \uace0\uc815\ub429\ub2c8\ub2e4. \uc5ed\ud560\uc740 \ubcf4\ud2b8 \ucd95\uacfc \uc815\ud655\ud788 \uc9c1\uac01\uc73c\ub85c \uc2e0\ud638\ub97c \ubcf4\ub0b4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc778\uae30 \uc788\ub294 <strong>GT56 \ud2b8\ub79c\uc2a4\ub4c0\uc11c<\/strong>\ub3c4 \uc774\ub807\uac8c \uc601\uc0c1\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7f0\ub370 \uc77c\ubc18 \uc5b4\uad70\ud0d0\uc9c0\uae30\uc5d0\ub294 \uc790\uae30 \uc13c\uc11c\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc989, \ubcf4\ud2b8\uac00 \uc2e4\uc81c\ub85c \ub3d9\uc11c\ub0a8\ubd81 \uc911 \uc5b4\ub514\ub97c \ud5a5\ud558\ub294\uc9c0 \uc54c \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac16\uace0 \uc788\ub294 \uac83\uc740 \ub2e4\uc74c\ubfd0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GPS \uc218\uc2e0\uae30<\/li>\n\n\n\n<li>\uc704\uce58\ub97c \uc7a1\ub294 \uc548\ud14c\ub098<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub370\uc774\ud130\ub85c \uc9c4\ud589 \ubc29\ud5a5\uc740 \uacc4\uc0b0\ud558\uc9c0\ub9cc, \ubcf4\ud2b8\uac00 \uc2e4\uc81c\ub85c \ud5a5\ud558\ub294 \ubc29\ud5a5\uc740 \uc54c \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">GPS\uac00 \ub098\uce68\ubc18\uc744 \ub300\uc2e0\ud560 \uc218 \uc5c6\ub294 \uc774\uc720<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\uad70\ud0d0\uc9c0\uae30\uac00 \uacc4\uc0b0\ud558\ub294 \uc9c4\ud589 \ubc29\ud5a5\uc740 \uc2dc\uac04\uc5d0 \ub530\ub978 \ubcf4\ud2b8\uc758 \uc774\ub3d9\uc744 \ubc14\ud0d5\uc73c\ub85c \ud569\ub2c8\ub2e4. \uc989, \uc704\uce58 \ubcc0\ud654\ub97c \ubd84\uc11d\ud574 \ubcf4\ud2b8\uac00 \uc5b4\ub514\ub85c \uac00\ub294\uc9c0 \u2018\ud310\ub2e8\u2019\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c\ub294 \uc5ec\uae30\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubcf4\ud2b8\uac00 \uc870\ub958\uc5d0 \ubc00\ub9b4 \ub54c,<\/li>\n\n\n\n<li>\ubc14\ub78c\uc5d0 \ud45c\ub958\ud560 \ub54c,<\/li>\n\n\n\n<li>\uc9c4\ud589 \ubc29\ud5a5\uc5d0 \ub300\ud574 \uc606\uc73c\ub85c \ub610\ub294 \ube44\uc2a4\ub4ec\ud788 \ub193\uc5ec \uc788\uc744 \ub54c,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\uad70\ud0d0\uc9c0\uae30\ub294 \ubcf4\ud2b8\uac00 \ub611\ubc14\ub85c \uc55e\uc73c\ub85c \uac04\ub2e4\uace0 \u2018\uc0dd\uac01\u2019\ud558\uc9c0\ub9cc, \uc2e4\uc81c\ub85c\ub294 \uc606\uc73c\ub85c, \uc2ec\uc9c0\uc5b4 \ub4a4\ub85c \uac00\uace0 \uc788\uc744 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8 \uacb0\uacfc, \ubcf4\ud2b8 \uae30\uc900\uc73c\ub85c \u2018\uc67c\ucabd\u2019\uacfc \u2018\uc624\ub978\ucabd\u2019\uc774 \uc2e4\uc81c\ub85c \uc5b4\ub514\uc778\uc9c0 \uc54c \uc218 \uc5c6\uc5b4 \uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5 \ub370\uc774\ud130\uac00 \uc65c\uace1\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uc5d0\uc11c \ubcf4\ud2b8\uc758 \uc2e4\uc81c \ubc29\ud5a5\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uc5d0 \uc65c \ub098\uce68\ubc18\uc774 \ud544\uc694\ud55c\uc9c0 \uac04\ub2e8\ud55c \uc608\ub85c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc608: \ubcf4\ud2b8\uc640 \uac15\ubb3c\uc758 \ud750\ub984<\/strong><br>\uac15\uc744 \uc815\ud655\ud788 \uc9c1\uac01\uc73c\ub85c \uac74\ub10c\ub2e4\uace0 \ud574 \ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc870\ub958 \uc18d\ub3c4 = <strong>3 km\/h<\/strong><\/li>\n\n\n\n<li>\ubb3c\uc5d0 \ub300\ud55c \ubcf4\ud2b8 \uc18d\ub3c4 = <strong>4 km\/h<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \ubc14\ub2e5(\uc9c0\uba74)\uc5d0 \ub300\ud55c \ubcf4\ud2b8 \uc18d\ub3c4\ub294 \ub450 \uc18d\ub3c4\uc758 \ubca1\ud130 \ud569\uc774 \ub429\ub2c8\ub2e4. \uc9c1\uac01\uc0bc\uac01\ud615\uc73c\ub85c \uc0dd\uac01\ud558\uba74 \uc27d\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubcf4\ud2b8 \uc18d\ub3c4 = \uc870\ub958\uc5d0 \uc218\uc9c1\uc778 \ubcc0<\/li>\n\n\n\n<li>\uc870\ub958 \uc18d\ub3c4 = \uac15\uac00\uc5d0 \ud3c9\ud589\ud55c \ubcc0<\/li>\n\n\n\n<li>\uc2e4\uc81c \uc18d\ub3c4 = \ube57\ubcc0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud53c\ud0c0\uace0\ub77c\uc2a4 \uc815\ub9ac\ub85c \uacc4\uc0b0\ud558\uba74<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>V = \u221a(Vboat\u00b2 + Vcurrent\u00b2)\n\nV = \u221a(4\u00b2 + 3\u00b2) = \u221a(16 + 9) = \u221a25 = 5 km\/h\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc989, 4 km\/h\ub85c \uac15\uc744 \u2018\uc815\ud655\ud788 \uc9c1\uac01\uc73c\ub85c\u2019 \uac74\ub108\ub824 \ud574\ub3c4, \ubc14\ub2e5\uc5d0 \ub300\ud55c \uc2e4\uc81c \uc6c0\uc9c1\uc784\uc740 \ub300\uac01\uc120\uc774 \ub418\uace0 \uadf8 \uc18d\ub3c4\ub294 5 km\/h\uac00 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uacfc\uc758 \uad00\uacc4<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5 \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub294 \ud56d\uc0c1 \ubcf4\ud2b8 \ucd95\uacfc \uc9c1\uac01\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774\ub7f0 \uc870\uac74\uc5d0\uc11c\ub294 GPS\ub85c \uacc4\uc0b0\ud55c \uc9c4\ud589 \ubc29\ud5a5\uc774 \ubcf4\ud2b8\uc758 \uc2e4\uc81c \ubc29\ud5a5\uacfc \uc5b4\uae0b\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacb0\uacfc\uc801\uc73c\ub85c,<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc120\uc218\ub294 \ud55c\ucabd\uc744 \ud5a5\ud558\uace0 \uc788\uc9c0\ub9cc,<\/li>\n\n\n\n<li>\uc2e4\uc81c\ub85c\ub294 \uc870\ub958\ub97c \ub530\ub77c \ub300\uac01\uc120\uc73c\ub85c \uc6c0\uc9c1\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5 \ud654\uba74\uc5d0\uc11c \ud45c\uc2dc\ud55c \uc704\uce58\uac00 \ud06c\uac8c \ubd80\uc815\ud655\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\ub9ce\uc740 \ubd84\uc774 \uad81\uae08\ud574\ud569\ub2c8\ub2e4. \uc5b4\uad70\ud0d0\uc9c0\uae30\uc5d0 \uc65c \ub098\uce68\ubc18\uc774 \ud544\uc694\ud560\uae4c\uc694? \ud2b9\ud788 \uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uc5d0\uc11c\uc694. \uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uc5d0 \ub098\uce68\ubc18\uc774 \ud544\uc694\ud55c \uc774\uc720 \uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5 \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub294 \uc120\uccb4, \uc8fc\ub85c \ud2b8\ub79c\uc12c\uc5d0 \ub2e8\ub2e8\ud788 \uace0\uc815\ub429\ub2c8\ub2e4. \uc5ed\ud560\uc740 \ubcf4\ud2b8 \ucd95\uacfc \uc815\ud655\ud788 \uc9c1\uac01\uc73c\ub85c \uc2e0\ud638\ub97c \ubcf4\ub0b4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc778\uae30 \uc788\ub294 GT56 \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub3c4 \uc774\ub807\uac8c \uc601\uc0c1\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \uc77c\ubc18 \uc5b4\uad70\ud0d0\uc9c0\uae30\uc5d0\ub294 \uc790\uae30 \uc13c\uc11c\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc989, \ubcf4\ud2b8\uac00 \uc2e4\uc81c\ub85c \ub3d9\uc11c\ub0a8\ubd81 \uc911 \uc5b4\ub514\ub97c \ud5a5\ud558\ub294\uc9c0 \uc54c \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uac16\uace0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jf_save_progress":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[118,126,134,102],"tags":[],"class_list":["post-1720","post","type-post","status-publish","format-standard","hentry","category-garmin","category-humminbird","category-lowrance","category-echosounder-chartplotter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\uc0ac\uc774\ub4dc \uc774\ubbf8\uc9d5\uc5d0 \ub098\uce68\ubc18\uc774 \ud544\uc694\ud55c \uc774\uc720: GPS \ud56d\uc801\uacfc \uc120\uc218 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