FCC E2C - 电台操作实践

#E2C01🔗

What indicator is required to be used by US-licensed operators when operating a station via remote control and the remote transmitter is located in the US?

当通过远程控制操作电台并且远程发射器位于美国时，美国许可的操作员需要使用什么指示器？

/ followed by the USPS two-letter abbreviation for the state in which the remote station is located

/ 后跟远程站所在州的 USPS 两个字母缩写

/R# where # is the district of the remote station

/R# 其中# 是远程站的分区

/ followed by the ARRL Section of the remote station

/ 后接远程站的 ARRL 部分

No additional indicator is required

无需额外指标

✓ 正确答案

#E2C02🔗

Which of the following file formats is used for exchanging amateur radio log data?

以下哪种文件格式用于交换业余无线电日志数据？

NEC

日本电气公司

ARLD

急性肺损伤

ADIF

阿迪夫

✓ 正确答案

OCF

有机碳纤维

#E2C03🔗

From which of the following bands is amateur radio contesting generally excluded?

业余无线电竞赛通常不包括以下哪个频段？

30 meters

30米

✓ 正确答案

6 meters

6米

70 centimeters

70厘米

33 centimeters

33厘米

#E2C04🔗

Which of the following frequencies can be used for amateur radio mesh networks?

以下哪些频率可用于业余无线电网状网络？

HF frequencies where digital communications are permitted

允许数字通信的高频频率

Frequencies shared with various unlicensed wireless data services

与各种未经许可的无线数据服务共享的频率

✓ 正确答案

Cable TV channels 41-43

有线电视频道 41-43

The 60-meter band channel centered on 5373 kHz

以 5373 kHz 为中心的 60 米频段信道

#E2C05🔗

What is the function of a DX QSL Manager?

DX QSL Manager 的功能是什么？

Allocate frequencies for DXpeditions

为 DXpeditions 分配频率

Handle the receiving and sending of confirmations for a DX station

处理 DX 站确认的接收和发送

✓ 正确答案

Run a net to allow many stations to contact a rare DX station

运行网络以允许许多电台联系罕见的 DX 电台

Communicate to a DXpedition about propagation, band openings, pileup conditions, etc.

与 DXpedition 沟通有关传播、频带开口、堆积条件等的信息。

#E2C06🔗

During a VHF/UHF contest, in which band segment would you expect to find the highest level of SSB or CW activity?

在 VHF/UHF 竞赛期间，您希望在哪个频段段找到最高水平的 SSB 或 CW 活动？

At the top of each band, usually in a segment reserved for contests

在每个频段的顶部，通常是为比赛保留的部分

In the middle of each band, usually on the national calling frequency

在每个频段的中间，通常在国内呼叫频率上

In the weak signal segment of the band, with most of the activity near the calling frequency

在频段的弱信号段，大部分活动都在呼叫频率附近

✓ 正确答案

In the middle of the band, usually 25 kHz above the national calling frequency

在频段中间，通常比国内呼叫频率高 25 kHz

#E2C07🔗

What is the Cabrillo format?

卡布里洛格式是什么？

A standard for submission of electronic contest logs

电子竞赛日志提交标准

✓ 正确答案

A method of exchanging information during a contest QSO

一种在比赛期间交换信息的方法QSO

The most common set of contest rules

最常见的一组竞赛规则

A digital protocol specifically designed for rapid contest exchanges

专为快速竞赛交流而设计的数字协议

#E2C08🔗

Which of the following contacts may be confirmed through the Logbook of The World (LoTW)?

以下哪些联系人可以通过世界航海日志 (LoTW) 得到确认？

Special event contacts between stations in the US

美国各站之间的特殊活动联系

Contacts between a US station and a non-US station

美国站与非美国站之间的联系

Contacts for Worked All States credit

工作所有州信贷的联系方式

All these choices are correct

所有这些选项都是正确的

✓ 正确答案

#E2C09🔗

What type of equipment is commonly used to implement an amateur radio mesh network?

通常使用什么类型的设备来实施业余无线电网状网络？

A 2-meter VHF transceiver with a 1,200-baud modem

带有 1,200 波特调制解调器的 2 米 VHF 收发器

A computer running EchoLink to provide interface from the radio to the internet

一台运行 EchoLink 的计算机，提供从无线电到互联网的接口

A wireless router running custom firmware

运行自定义固件的无线路由器

✓ 正确答案

A 440 MHz transceiver with a 9,600-baud modem

带有 9,600 波特率调制解调器的 440 MHz 收发器

#E2C10🔗

Why do DX stations often transmit and receive on different frequencies?

为什么 DX 站经常以不同的频率发送和接收？

Because the DX station may be transmitting on a frequency that is prohibited to some responding stations

因为 DX 站可能正在以某些响应站禁止的频率进行传输

To separate the calling stations from the DX station

将呼叫站与 DX 站分开

To improve operating efficiency by reducing interference

减少干扰，提高运行效率

All these choices are correct

所有这些选项都是正确的

✓ 正确答案

#E2C11🔗

How should you generally identify your station when attempting to contact a DX station during a contest or in a pileup?

在比赛期间或连环相撞中尝试联系 DX 电台时，通常应如何识别您的电台？

Send your full call sign once or twice

发送您的完整呼号一次或两次

✓ 正确答案

Send only the last two letters of your call sign until you make contact

仅发送您的呼号的最后两个字母，直至您联系上

Send your full call sign and grid square

发送您的完整呼号和网格方块

Send the call sign of the DX station three times, the words “this is,” then your call sign three times

发送 DX 电台的呼号三次，发送“这是”一词，然后发送三次您的呼号

#E2C12🔗

What indicates the delay between a control operator action and the corresponding change in the transmitted signal?

什么表示主控操作员动作与传输信号的相应变化之间的延迟？

Jitter

抖动

Hang time

悬挂时间

Latency

延迟

✓ 正确答案

Anti-VOX

抗VOX

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FCC E2C - 电台操作实践

小节 E2C：电台操作实践