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<!----></section></li></ul> </aside> <div><main class="page"><div class="theme-vdoing-wrapper "><div class="articleInfo-wrap" data-v-06225672><div class="articleInfo" 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 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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> 查询到几乎全世界的常用频率,不过本文也列出一些常用频率,以便快速查找。</p> <h2 id="通联频率"><a href="#通联频率" class="header-anchor">#</a> 通联频率</h2> <table><thead><tr><th>波段</th> <th>频率(MHz)</th> <th>模式</th> <th>可用时段</th> <th>活动</th></tr></thead> <tbody><tr><td></td> <td></td> <td></td> <td></td> <td></td></tr> <tr><td>80m</td> <td>3.596</td> <td>等幅报(CW)</td> <td>冬季夜间</td> <td></td></tr> <tr><td>80m</td> <td>3.850</td> <td>下边带(LSB)</td> <td>冬季夜间</td> <td></td></tr> <tr><td>40m</td> <td>7.0168</td> <td>等幅报(CW)</td> <td>早晨</td> <td>周六早 6:30-7:30 点名</td></tr> <tr><td>40m</td> <td>7.023</td> <td>等幅报(CW)</td> <td>灰线、夜间</td> <td>CW 乐园</td></tr> <tr><td>40m</td> <td>7.050</td> <td>下边带(LSB)</td> <td>灰线、夜间</td> <td>菜市场</td></tr> <tr><td>40m</td> <td>7.053</td> <td>下边带(LSB)</td> <td>灰线、夜间</td> <td>周日早 7:00-10:00 点名</td></tr> <tr><td>40m</td> <td>7.055</td> <td>下边带(LSB)</td> <td>灰线、夜间</td> <td></td></tr> <tr><td>40m</td> <td>7.060</td> <td>下边带(LSB)</td> <td>灰线、夜间</td> <td>周六早 7:00-9:00 点名</td></tr> <tr><td>40m</td> <td>7.065</td> <td>下边带(LSB)</td> <td>灰线、夜间</td> <td>周日早 7:30-9:00 点名</td></tr> <tr><td>40m</td> <td>7.068</td> <td>下边带(LSB)</td> <td>早晨</td> <td>周六早 6:00-9:00 点名</td></tr> <tr><td>40m</td> <td>7.140</td> <td>下边带(LSB)</td> <td>灰线、夜间</td> <td>日本菜市场</td></tr> <tr><td>20m</td> <td>14.023</td> <td>等幅报(CW)</td> <td>日间、傍晚</td> <td></td></tr> <tr><td>20m</td> <td>14.068</td> <td>等幅报(CW)</td> <td>早晨</td> <td>周六早 7:30-8:30 点名</td></tr> <tr><td>20m</td> <td>14.168</td> <td>上边带(USB)</td> <td>早晨</td> <td>周六早 8:20-10:20 点名</td></tr> <tr><td>20m</td> <td>14.180</td> <td>上边带(USB)</td> <td>早晨</td> <td>早 8:00-9:00 活跃人数较多</td></tr> <tr><td>20m</td> <td>14.205</td> <td>上边带(USB)</td> <td>日间、傍晚</td> <td>日本菜市场</td></tr> <tr><td>20m</td> <td>14.253</td> <td>上边带(USB)</td> <td>早晨</td> <td>周日早 8:30-10:00 点名</td></tr> <tr><td>20m</td> <td>14.260</td> <td>上边带(USB)</td> <td>日间、傍晚</td> <td></td></tr> <tr><td>20m</td> <td>14.265</td> <td>上边带(USB)</td> <td>日间、傍晚</td> <td></td></tr> <tr><td>20m</td> <td>14.270</td> <td>上边带(USB)</td> <td>日间、傍晚</td> <td>菜市场</td></tr> <tr><td>20m</td> <td>14.275</td> <td>上边带(USB)</td> <td>日间、傍晚</td> <td></td></tr> <tr><td>20m</td> <td>14.280</td> <td>上边带(USB)</td> <td>日间、傍晚</td> <td></td></tr> <tr><td>20m</td> <td>14.330</td> <td>上边带(USB)</td> <td>灰线、日间</td> <td>中国无线电运动协会(CRSA)台网</td></tr> <tr><td>15m</td> <td>21.023</td> <td>等幅报(CW)</td> <td>日间</td> <td></td></tr> <tr><td>15m</td> <td>21.253</td> <td>上边带(USB)</td> <td>早晨</td> <td>周日早 10:00-11:00 点名</td></tr> <tr><td>15m</td> <td>21.2-21.4</td> <td>上边带(USB)</td> <td>日间</td> <td>海外较为活跃</td></tr> <tr><td>15m</td> <td>21.400</td> <td>上边带(USB)</td> <td>日间</td> <td>菜市场</td></tr> <tr><td>10m</td> <td>28.023</td> <td>等幅报(CW)</td> <td>日间</td> <td></td></tr> <tr><td>10m</td> <td>28.4-28.5</td> <td>上边带(USB)</td> <td>日间</td> <td>海外较为活跃</td></tr> <tr><td>10m</td> <td>29.600</td> <td>调频(FM)</td> <td>日间</td> <td>菜市场</td></tr> <tr><td>6m</td> <td>50.110</td> <td>上边带(USB)</td> <td>灰线、偶发</td> <td></td></tr> <tr><td>6m</td> <td>50.130</td> <td>上边带(USB)</td> <td>灰线、偶发</td> <td></td></tr></tbody></table> <ul><li>灰线:即晨昏线、晨昏圈,这里指代指日夜切换的时间段。灰线中电离层 D 层消失,信号可以更好的从 F 层传播。</li> <li>菜市场:使用者很多,就像菜市场一样吵闹。一般在该频率进行呼叫,并转移到其他频率继续通联。</li> <li>CW 乐园:由一些知名老 Ham 发起的活动,为使用 CW 模式的爱好者提供了学习、交流和练习 CW 技术的平台。</li> <li>点名:一种通联活动,通常由台网进行发起。具体见<a href="/pages/af1d6f/#点名活动">通联前你该知道的</a>。</li></ul> <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="_40m波段-7mhz"><a href="#_40m波段-7mhz" class="header-anchor">#</a> 40m 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>7074kHz LSB:FT8</li></ul> <h3 id="_20m波段-14mhz"><a href="#_20m波段-14mhz" class="header-anchor">#</a> 20m 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></ul> <h3 id="_15m波段-21mhz"><a href="#_15m波段-21mhz" class="header-anchor">#</a> 15m 波段(21MHz)</h3> <p>15m 波段对太阳活动的变化非常敏感。在太阳活动的高峰期,白天 15m 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,15m 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,15m 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></ul> <h3 id="_10m波段-28-29mhz"><a href="#_10m波段-28-29mhz" class="header-anchor">#</a> 10m 波段(28~29MHz)</h3> <p>10m 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> <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="bpm短波授时台"><a href="#bpm短波授时台" class="header-anchor">#</a> BPM 短波授时台</h2> <p>国家授时中心 BPM 短波授时台每天会在四个频率下交替发射标准时间、标准频率信号,时刻表如下:</p> <table><thead><tr><th>MHz</th> <th>CST</th> <th>UTC</th></tr></thead> <tbody><tr><td>2.5</td> <td>15:30-09:00</td> <td>07:30-01:00</td></tr> <tr><td>5</td> <td>00:00-24:00</td> <td>00:00-24:00</td></tr> <tr><td>10</td> <td>00:00-24:00</td> <td>00:00-24:00</td></tr> <tr><td>15</td> <td>09:00-17:00</td> <td>01:00-09:00</td></tr></tbody></table> <p>除此之外,20MHZ 和 25MHz 也可能被用于发送 BPM 信号。</p> <p>BPM 以每半个小时为周期发送信号:</p> <table><thead><tr><th>分钟</th> <th>时长</th> <th>内容</th></tr></thead> <tbody><tr><td>00-10<br>30-40</td> <td>10</td> <td>UTC 时间:10ms 秒刻度、300ms 分刻度,提前 20ms<br>在 100Hz 子载波上传输 BCD 时间码</td></tr> <tr><td>10-15<br>40-45</td> <td>5</td> <td>无内容,只有载波</td></tr> <tr><td>15-25<br>45-55</td> <td>10</td> <td>UTC 时间:10ms 秒刻度、300ms 分刻度,提前 20ms<br>在 100Hz 子载波上传输 BCD 时间码</td></tr> <tr><td>25-29<br>55-59</td> <td>4</td> <td>UT1 时间:100ms 秒刻度、300ms 分刻度</td></tr> <tr><td>29-30<br>59-60</td> <td>1</td> <td>40 秒 BPM 莫尔斯码呼号,20 秒语音呼号</td></tr></tbody></table> <p>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 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