#E1B02🔗
Which of the following is an acceptable bandwidth for digital voice or slow-scan TV transmissions made on the HF amateur bands?
对于在 HF 业余频段上进行的数字语音或慢扫描电视传输,以下哪一项是可接受的带宽?
#E1B03🔗
Within what distance must an amateur station protect an FCC monitoring facility from harmful interference?
业余电台必须在多远的距离内保护 FCC 监控设施免受有害干扰?
#E1B04🔗
What must the control operator of a repeater operating in the 70-centimeter band do if a radiolocation system experiences interference from that repeater?
如果无线电定位系统受到来自 70 厘米频段中继器的干扰,该中继器的主控操作员必须做什么?
#E1B06🔗
Which of the following additional rules apply if you are erecting an amateur station antenna structure at a site at or near a public use airport?
如果您在公用机场或其附近的地点架设业余电台天线结构,则适用以下哪些附加规则?
#E1B08🔗
What limitations may the FCC place on an amateur station if its signal causes interference to domestic broadcast reception, assuming that the receivers involved are of good engineering design?
如果业余电台的信号对国内广播接收造成干扰,假设所涉及的接收器具有良好的工程设计,那么 FCC 会对业余电台施加哪些限制?
#E1B10🔗
What frequencies are authorized to an amateur station operating under RACES rules?
根据 RACES 规则运营的业余电台有权使用哪些频率?
#E1B11🔗
What does PRB-1 require of state and local regulations affecting amateur radio antenna size and structures?
PRB-1 对影响业余无线电天线尺寸和结构的州和地方法规有何要求?