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class="sidebar-group collapsable is-sub-group depth-2"><p class="sidebar-heading"><span>基本知识</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-2"><p class="sidebar-heading"><span>UV段的各种玩法</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable is-sub-group depth-2"><p class="sidebar-heading open"><span>短波段的各种玩法</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/pages/b99cf5/" aria-current="page" class="active sidebar-link">常用频率</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header level2"><a href="/pages/b99cf5/#如何找频率" class="sidebar-link">如何找频率</a></li><li class="sidebar-sub-header level2"><a href="/pages/b99cf5/#常用业余频率与传播规律" class="sidebar-link">常用业余频率与传播规律</a></li><li class="sidebar-sub-header level2"><a href="/pages/b99cf5/#广播频率" class="sidebar-link">广播频率</a></li><li 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data-v-06225672><ul class="breadcrumbs" data-v-06225672><li data-v-06225672><a href="/" title="首页" class="iconfont icon-home router-link-active" data-v-06225672></a></li> <li data-v-06225672><a href="/categories/?category=HamCQ%E6%89%8B%E5%86%8C" title="分类" data-v-06225672>HamCQ手册</a></li><li data-v-06225672><a href="/categories/?category=%E8%B5%B0%E8%BF%9B%E4%B8%9A%E4%BD%99%E6%97%A0%E7%BA%BF%E7%94%B5" title="分类" data-v-06225672>走进业余无线电</a></li><li data-v-06225672><a href="/categories/?category=%E5%BC%80%E5%A7%8B%E9%80%9A%E8%81%94" title="分类" data-v-06225672>开始通联</a></li><li data-v-06225672><a href="/categories/?category=%E7%9F%AD%E6%B3%A2%E6%AE%B5%E7%9A%84%E5%90%84%E7%A7%8D%E7%8E%A9%E6%B3%95" title="分类" data-v-06225672>短波段的各种玩法</a></li></ul> <div class="info" data-v-06225672><!----> <div title="创建时间" class="date iconfont icon-riqi" data-v-06225672><a href="javascript:;" data-v-06225672>2024-07-22</a></div> <!----></div></div></div> <!----> <div class="content-wrapper"><div class="right-menu-wrapper"><div class="right-menu-margin"><div class="right-menu-title">目录</div> <div class="right-menu-content"></div></div></div> <h1><!---->常用频率<!----></h1> <!----> <div class="theme-vdoing-content content__default"><blockquote><p>本文编辑:@BG4IJK</p></blockquote> <h2 id="如何找频率"><a href="#如何找频率" class="header-anchor">#</a> 如何找频率</h2> <ul><li>购买一个带频谱瀑布图的电台,例如 IC-7300、X6100</li> <li>购买一个大波轮很灵活、转起来很过瘾的电台,例如 IC-7300、FT-891</li> <li>如果电台不带频谱图(例如 FT-891),或者频谱图不好用,可以购买一个 SDR 棒子,例如 RTL-SDR,用电脑来找频率</li></ul> <p>如何确定是不是业余频率呢?看你旧版操作证背面。</p> <h2 id="常用业余频率与传播规律"><a href="#常用业余频率与传播规律" class="header-anchor">#</a> 常用业余频率与传播规律</h2> <p>一图版本(BH4GUO):</p> <p><img src="https://storage.hamcq.cn/2025-01-20/1737381097-976406-6263aeb858736b7c59c17ec048a2d4f.jpg" alt="短波常用频率表"></p> <h3 id="_40米波段-7mhz"><a href="#_40米波段-7mhz" class="header-anchor">#</a> 40 米波段(7MHz)</h3> <p>白天这个波段可以很好的用作临近城市业余电台相互间联络。到了晚上,在这个波段上可以联络到世界各地的电台。推荐早上 8 点之前或傍晚以后进行通联。</p> <ul><li>7023kHz CW</li> <li>7050kHz LSB:国内默认菜市场频率,呼叫到他人后,可转到 7055、7060、7065 等频率继续通联</li> <li>7074kHz LSB:FT8</li></ul> <h3 id="_20米波段-14mhz"><a href="#_20米波段-14mhz" class="header-anchor">#</a> 20 米波段(14MHz)</h3> <p>这个波段传播比较稳定,太阳的活动和季节的变化对传播影响比较小,电离层开通的时间比较长。在冬季传播稍差,传播主要开通东南亚地区,春秋两季开始开通全球传播。</p> <ul><li>14074kHz USB:FT8</li> <li>14270kHz USB:国内默认菜市场频率,呼叫到他人后,可转到 14275、14265、14280 等频率继续通联</li></ul> <h3 id="_15米波段-21mhz"><a href="#_15米波段-21mhz" class="header-anchor">#</a> 15 米波段(21MHz)</h3> <p>15 米波段对于太阳活动的变化非常敏感。在太阳活动的高峰期,白天 15 米波段能够提供非常可靠的 F2 层反射的远距离通信,甚至可以延续到很晚。在太阳活动一般的时期,15 米波段通常只在日间开放,在天黑后很快就关闭了。在太阳活动的低谷时期,除了赤道共轭传播外,15 米波段可能不开通。在初夏或严冬时期有时候也会发生突发 E 层的传播。</p> <ul><li>21074 USB:FT8</li> <li>21400 USB:菜市场频率</li></ul> <h3 id="_10米波段-28-29mhz"><a href="#_10米波段-28-29mhz" class="header-anchor">#</a> 10 米波段(28~29MHz)</h3> <p>10 米波段的天线是整个短波中尺寸最小的,而传播过程中的绕射能力又比超短波强。由于频率比较高,晚上电离层较小的密度,已不能对其形成反射,所以这个频段的远程通信只能在白天。</p> <ul><li>28023 CW</li> <li>29600 FM:菜市场频率</li></ul> <h2 id="广播频率"><a href="#广播频率" class="header-anchor">#</a> 广播频率</h2> <p>中波和短波也有非常多的广播电台,但由于短波传播特性,这些电台通常会在不同时间采用不同频率广播,因此你需要一点经验来找台。好在现在是互联网时代,你完全可以在<a href="https://short-wave.info/" target="_blank" rel="noopener noreferrer"> short-wave.info<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> 网站去搜索频率。</p> <p>网站内容说明:</p> <ul><li>所有时间,例如 Start、End,都是 UTC 时间,与北京时间差 8 个小时,例如 Start 1:00 表示在中国早上 9 点开播</li> <li>Days 表示每周星期几放送</li> <li>红色文字代表现在正在播出</li> <li>红色带波浪条纹的背景表示有干扰,可能无法正常收听</li></ul> <h2 id="授时台"><a href="#授时台" class="header-anchor">#</a> 授时台</h2> <p>国家授时中心 BPM 短波授时台会通过短波频率进行报时。如有兴趣,可进行收听并获取授时台的 QSL 卡,具体操作方法参见<a href="https://forum.hamcq.cn/d/3834" target="_blank" rel="noopener noreferrer">本帖<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>。</p></div></div> <!----> <div class="page-edit"><!----> <!----> <!----></div> <div class="page-nav-wapper"><!----> <!----></div></div> <!----></main></div> <div class="footer"><div class="icons"><a href="mailto:contact@hamcq.cn" title="联系我们" target="_blank" class="iconfont icon-youjian"></a><a href="https://github.com/HamCQ/Handbook" 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