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[backcolor=rgba(255, 255, 255, 0)] 为了帮助爱好者了解和研究电波的换拨规律,许多国家和地区的业余无线电组织联合在一起,有计划地在世界各地建立了一些信标(Beacon)台,这些信标台24小时连续工作,以固定的频率、固定的方式、固定的内容和固定的周期,每3分钟发信一次。发信开始,以每分钟22个单词(WPM)的速度,用等幅电报的方式发出本台呼号,紧接着的是四个各持续1秒的等幅信号,每个信号的发射功率依次为100W、10W、1W、0.1W。表5-1列出的是世界各地主要信标台的位置及每逢正点在各频段上开始发信的时间(分:秒)。 [backcolor=rgba(255, 255, 255, 0)] [backcolor=rgba(255, 255, 255, 0)]呼号 | [backcolor=rgba(255, 255, 255, 0)]所在地 | [backcolor=rgba(255, 255, 255, 0)]频率14.100 | [backcolor=rgba(255, 255, 255, 0)]18.11 | [backcolor=rgba(255, 255, 255, 0)]21.15 | [backcolor=rgba(255, 255, 255, 0)]24.93 | [backcolor=rgba(255, 255, 255, 0)]28.2 | [backcolor=rgba(255, 255, 255, 0)]管理员(协会) | [backcolor=rgba(255, 255, 255, 0)]4U1UN | [backcolor=rgba(255, 255, 255, 0)]美国 | [backcolor=rgba(255, 255, 255, 0)]0:00 | [backcolor=rgba(255, 255, 255, 0)]0:10 | [backcolor=rgba(255, 255, 255, 0)]0:20 | [backcolor=rgba(255, 255, 255, 0)]0:30 | [backcolor=rgba(255, 255, 255, 0)]0:40 | [backcolor=rgba(255, 255, 255, 0)]UNRC | [backcolor=rgba(255, 255, 255, 0)]VE8AT | [backcolor=rgba(255, 255, 255, 0)]加拿大 | [backcolor=rgba(255, 255, 255, 0)]0:10 | [backcolor=rgba(255, 255, 255, 0)]0:20 | [backcolor=rgba(255, 255, 255, 0)]0:30 | [backcolor=rgba(255, 255, 255, 0)]0:40 | [backcolor=rgba(255, 255, 255, 0)]0:50 | [backcolor=rgba(255, 255, 255, 0)]RAC/NARC | [backcolor=rgba(255, 255, 255, 0)]W6WX | [backcolor=rgba(255, 255, 255, 0)]美国 | [backcolor=rgba(255, 255, 255, 0)]0:20 | [backcolor=rgba(255, 255, 255, 0)]0:30 | [backcolor=rgba(255, 255, 255, 0)]0:40 | [backcolor=rgba(255, 255, 255, 0)]0:50 | [backcolor=rgba(255, 255, 255, 0)]1:00 | [backcolor=rgba(255, 255, 255, 0)]NCDXF | [backcolor=rgba(255, 255, 255, 0)]KH6WO | [backcolor=rgba(255, 255, 255, 0)]夏威夷 | [backcolor=rgba(255, 255, 255, 0)]0:30 | [backcolor=rgba(255, 255, 255, 0)]OFF | [backcolor=rgba(255, 255, 255, 0)]0:50 | [backcolor=rgba(255, 255, 255, 0)]OFF | [backcolor=rgba(255, 255, 255, 0)]1:10 | [backcolor=rgba(255, 255, 255, 0)]NOARG/HARC | [backcolor=rgba(255, 255, 255, 0)]ZL6B | [backcolor=rgba(255, 255, 255, 0)]新西兰 | [backcolor=rgba(255, 255, 255, 0)]0:40 | [backcolor=rgba(255, 255, 255, 0)]0:50 | [backcolor=rgba(255, 255, 255, 0)]1:00 | [backcolor=rgba(255, 255, 255, 0)]1:10 | [backcolor=rgba(255, 255, 255, 0)]1:20 | [backcolor=rgba(255, 255, 255, 0)]NZART | [backcolor=rgba(255, 255, 255, 0)]VK6RBP | [backcolor=rgba(255, 255, 255, 0)]澳大利亚 | [backcolor=rgba(255, 255, 255, 0)]0:50 | [backcolor=rgba(255, 255, 255, 0)]1:00 | [backcolor=rgba(255, 255, 255, 0)]1:10 | [backcolor=rgba(255, 255, 255, 0)]1:20 | [backcolor=rgba(255, 255, 255, 0)]1:30 | [backcolor=rgba(255, 255, 255, 0)]WIA | [backcolor=rgba(255, 255, 255, 0)]JA21GY | [backcolor=rgba(255, 255, 255, 0)]日本 | [backcolor=rgba(255, 255, 255, 0)]1:00 | [backcolor=rgba(255, 255, 255, 0)]1:10 | [backcolor=rgba(255, 255, 255, 0)]1:20 | [backcolor=rgba(255, 255, 255, 0)]1:30 | [backcolor=rgba(255, 255, 255, 0)]1:40 | [backcolor=rgba(255, 255, 255, 0)]JARL | [backcolor=rgba(255, 255, 255, 0)]RR9O | [backcolor=rgba(255, 255, 255, 0)]俄罗斯 | [backcolor=rgba(255, 255, 255, 0)]1:10 | [backcolor=rgba(255, 255, 255, 0)]1:20 | [backcolor=rgba(255, 255, 255, 0)]1:30 | [backcolor=rgba(255, 255, 255, 0)]1:40 | [backcolor=rgba(255, 255, 255, 0)]1:50 | [backcolor=rgba(255, 255, 255, 0)]SRR | [backcolor=rgba(255, 255, 255, 0)]VR2B | [backcolor=rgba(255, 255, 255, 0)]中国香港 | [backcolor=rgba(255, 255, 255, 0)]1:20 | [backcolor=rgba(255, 255, 255, 0)]1:30 | [backcolor=rgba(255, 255, 255, 0)]1:40 | [backcolor=rgba(255, 255, 255, 0)]1:50 | [backcolor=rgba(255, 255, 255, 0)]2:00 | [backcolor=rgba(255, 255, 255, 0)]HARTS | [backcolor=rgba(255, 255, 255, 0)]4S7B | [backcolor=rgba(255, 255, 255, 0)]斯里兰卡 | [backcolor=rgba(255, 255, 255, 0)]1:30 | [backcolor=rgba(255, 255, 255, 0)]1:40 | [backcolor=rgba(255, 255, 255, 0)]1:50 | [backcolor=rgba(255, 255, 255, 0)]2:00 | [backcolor=rgba(255, 255, 255, 0)]2:10 | [backcolor=rgba(255, 255, 255, 0)]RSSL | [backcolor=rgba(255, 255, 255, 0)]ZS6DN | [backcolor=rgba(255, 255, 255, 0)]南非 | [backcolor=rgba(255, 255, 255, 0)]1:40 | [backcolor=rgba(255, 255, 255, 0)]1:50 | [backcolor=rgba(255, 255, 255, 0)]2:00 | [backcolor=rgba(255, 255, 255, 0)]0:10 | [backcolor=rgba(255, 255, 255, 0)]2:20 | [backcolor=rgba(255, 255, 255, 0)]ZS6DN | [backcolor=rgba(255, 255, 255, 0)]5Z4B | [backcolor=rgba(255, 255, 255, 0)]肯尼亚 | [backcolor=rgba(255, 255, 255, 0)]1:50 | [backcolor=rgba(255, 255, 255, 0)]2:00 | [backcolor=rgba(255, 255, 255, 0)]2:10 | [backcolor=rgba(255, 255, 255, 0)]2:20 | [backcolor=rgba(255, 255, 255, 0)]2:30 | [backcolor=rgba(255, 255, 255, 0)]ARSK | [backcolor=rgba(255, 255, 255, 0)]4X6TU | [backcolor=rgba(255, 255, 255, 0)]以色列 | [backcolor=rgba(255, 255, 255, 0)]2:00 | [backcolor=rgba(255, 255, 255, 0)]2:10 | [backcolor=rgba(255, 255, 255, 0)]2:20 | [backcolor=rgba(255, 255, 255, 0)]2:30 | [backcolor=rgba(255, 255, 255, 0)]2:40 | [backcolor=rgba(255, 255, 255, 0)]IARC | [backcolor=rgba(255, 255, 255, 0)]OH2B | [backcolor=rgba(255, 255, 255, 0)]芬兰 | [backcolor=rgba(255, 255, 255, 0)]2:10 | [backcolor=rgba(255, 255, 255, 0)]2:20 | [backcolor=rgba(255, 255, 255, 0)]2:30 | [backcolor=rgba(255, 255, 255, 0)]2:40 | [backcolor=rgba(255, 255, 255, 0)]2:50 | [backcolor=rgba(255, 255, 255, 0)]SRAL | [backcolor=rgba(255, 255, 255, 0)]CS3B | [backcolor=rgba(255, 255, 255, 0)]Madeira岛 | [backcolor=rgba(255, 255, 255, 0)]2:20 | [backcolor=rgba(255, 255, 255, 0)]2:30 | [backcolor=rgba(255, 255, 255, 0)]2:40 | [backcolor=rgba(255, 255, 255, 0)]2:50 | [backcolor=rgba(255, 255, 255, 0)]0:00 | [backcolor=rgba(255, 255, 255, 0)]ARRM | [backcolor=rgba(255, 255, 255, 0)]LU4AA | [backcolor=rgba(255, 255, 255, 0)]阿根廷 | [backcolor=rgba(255, 255, 255, 0)]2:30 | [backcolor=rgba(255, 255, 255, 0)]2:40 | [backcolor=rgba(255, 255, 255, 0)]2:50 | [backcolor=rgba(255, 255, 255, 0)]0:00 | [backcolor=rgba(255, 255, 255, 0)]0:10 | [backcolor=rgba(255, 255, 255, 0)]RCA | [backcolor=rgba(255, 255, 255, 0)]OA4B | [backcolor=rgba(255, 255, 255, 0)]秘鲁 | [backcolor=rgba(255, 255, 255, 0)]2:40 | [backcolor=rgba(255, 255, 255, 0)]2:50 | [backcolor=rgba(255, 255, 255, 0)]0:00 | [backcolor=rgba(255, 255, 255, 0)]0:10 | [backcolor=rgba(255, 255, 255, 0)]0:20 | [backcolor=rgba(255, 255, 255, 0)]RCP | [backcolor=rgba(255, 255, 255, 0)]YV5B | [backcolor=rgba(255, 255, 255, 0)]委内瑞拉 | [backcolor=rgba(255, 255, 255, 0)]2:50 | [backcolor=rgba(255, 255, 255, 0)]0:00 | [backcolor=rgba(255, 255, 255, 0)]0:10 | [backcolor=rgba(255, 255, 255, 0)]0:20 | [backcolor=rgba(255, 255, 255, 0)]0:30 | [backcolor=rgba(255, 255, 255, 0)]RCV |
[backcolor=rgba(255, 255, 255, 0)] 由于设备等原因,个别信标台也可能会工作不正常。你可以把监听报告发到DX Summit网站,地址是: http://oh2aq.kolumbus.com/dxs/ 。 [backcolor=rgba(255, 255, 255, 0)] 关于信标台的最新情况,可登陆美国北加利福尼亚DX基金会网站 http://ncdxf.org/beacons.html 。
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