E1F|Miscellaneous rules: external RF power amplifiers; prohibited communications; spread spectrum; auxiliary stations; Canadian amateurs operating in the US; special temporary authority
E1F01 [97.305]
EN
On what frequencies are spread spectrum transmissions permitted?
A. Only on amateur frequencies above 50 MHz
B. Only on amateur frequencies above 222 MHz ✓
C. Only on amateur frequencies above 420 MHz
D. Only on amateur frequencies above 144 MHz
中文
扩频(spread spectrum)发射允许在哪些频率?
A. 仅 50 MHz 以上业余频率
B. 仅 222 MHz 以上 ✓
C. 仅 420 MHz 以上
D. 仅 144 MHz 以上
【知识点解析】 扩频仅允许在 222 MHz 以上业余频段(97.305)。
【考试提示】 – 中国对应:中国对扩频/宽带数字有频段限制。
– 易错点:误以为 144 MHz 以上即可(实际 222 MHz 起)。
– 实际应用:1.25 m/70 cm 等可用扩频。
– 易错点:误以为 144 MHz 以上即可(实际 222 MHz 起)。
– 实际应用:1.25 m/70 cm 等可用扩频。
E1F02 [97.107]
EN
What privileges are authorized in the US to persons holding an amateur service license granted by the government of Canada?
A. None, they must obtain a US license
B. Full privileges of the General class license on the 80-, 40-, 20-, 15-, and 10-meter bands
C. The operating terms and conditions of the Canadian amateur service license, not to exceed US Amateur Extra class license privileges ✓
D. Full privileges, up to and including those of the Amateur Extra class license, on the 80-, 40-, 20-, 15-, and 10-meter bands
中文
持加拿大政府颁发业余执照者在美国被授权什么权限?
A. 无,须另取美国执照
B. 80/40/20/15/10 米上 General 级全部权限
C. 加拿大业余执照的条款与条件,不超过美国 Extra 级权限 ✓
D. 上述各波段上至 Extra 级全部权限
【知识点解析】 加拿大执照持有者在美国按加拿大执照条款操作,上限不超 Extra(97.107 互惠)。
【考试提示】 – 中国对应:中国 HAM 出境依目的地互惠。
– 易错点:误以为自动获 Full Extra。
– 实际应用:互惠操作以对方执照等级为限。
– 易错点:误以为自动获 Full Extra。
– 实际应用:互惠操作以对方执照等级为限。
E1F03 [97.315]
EN
Under what circumstances may a dealer sell an external RF power amplifier capable of operation below 144 MHz if it has not been granted FCC certification?
A. Gain is less than 23 dB when driven by power of 10 watts or less
B. The equipment dealer assembled it from a kit
C. It was manufactured and certificated in a country which has a reciprocal certification agreement with the FCC
D. The amplifier is constructed or modified by an amateur radio operator for use at an amateur station ✓
中文
在何种情况下,经销商可销售未获 FCC 认证的、能在 144 MHz 以下工作的外置 RF 功率放大器?
A. 增益小于 23 dB 且驱动功率 ≤10 W
B. 设备商以套件组装
C. 在互认认证协议国制造并认证
D. 放大器由业余操作员为本台建造或改装 ✓
【知识点解析】 业余操作员为本台自建/改装的放大器可不经 FCC 认证销售限制(97.315)。
【考试提示】 – 中国对应:中国业余发射设备须符合型号核准。
– 易错点:商用销售未认证放大器受限;自制例外。
– 实际应用:HAM 自做功放合法,但商用需认证。
– 易错点:商用销售未认证放大器受限;自制例外。
– 实际应用:HAM 自做功放合法,但商用需认证。
E1F04 [97.3]
EN
Which of the following geographic descriptions approximately describes "Line A"?
A. A line roughly parallel to and south of the border between the US and Canada ✓
B. A line roughly parallel to and west of the US Atlantic coastline
C. A line roughly parallel to and north of the border between the US and Mexico
D. A line roughly parallel to and east of the US Pacific coastline
中文
下列哪个地理描述大致对应“A 线(Line A)”?
A. 大致平行且位于美加边界以南的一条线 ✓
B. 大致平行且位于美国大西洋海岸以西
C. 大致平行且位于美墨边界以北
D. 大致平行且位于美国太平洋海岸以东
【知识点解析】 Line A 位于美加边境以南,界定北部边界附近某些频段限制(97.3)。
【考试提示】 – 实际应用:美加边境附近 420–450 MHz 等段受限。
– 易错点:混淆 Line A/B 与南北边界。
– 易错点:混淆 Line A/B 与南北边界。
E1F05 [97.303]
EN
Amateur stations may not transmit in which of the following frequency segments if they are located in the contiguous 48 states and north of Line A?
A. 440 MHz – 450 MHz
B. 53 MHz – 54 MHz
C. 222 MHz – 223 MHz
D. 420 MHz – 430 MHz ✓
中文
若台站位于美国本土 48 州且 A 线以北,不得在哪个频段发射?
A. 440–450 MHz
B. 53–54 MHz
C. 222–223 MHz
D. 420–430 MHz ✓
【知识点解析】 A 线以北禁止 420–430 MHz 发射(防止对加拿大/卫星干扰)(97.303)。
【考试提示】 – 实际应用:美加边境南侧的 420–430 MHz 上行段禁用。
– 易错点:与 430–450 MHz(允许)混淆。
– 易错点:与 430–450 MHz(允许)混淆。
E1F06 [1.931]
EN
Under what circumstances might the FCC issue a Special Temporary Authority (STA) to an amateur station?
A. To provide for experimental amateur communications ✓
B. To allow use of a special event call sign
C. To allow a VE group with less than three VEs to administer examinations in a remote, sparsely populated area
D. To allow a licensee who has passed an upgrade exam to operate with upgraded privileges while waiting for posting on the FCC database
中文
何种情形下 FCC 可能向业余台签发特别临时授权(STA)?
A. 为实验性业余通信提供 ✓
B. 允许使用特别事件呼号
C. 允许不足三名 VE 的组在偏远地区主持考试
D. 允许通过升级考试者等待 FCC 数据库更新期间以升级权限操作
【知识点解析】 STA 可用于实验性业余通信等临时目的(1.931)。
【考试提示】 – 中国对应:中国有临时频率/试验设台审批。
– 实际应用:特殊实验可申 STA。
– 实际应用:特殊实验可申 STA。
E1F07 [97.113]
EN
When may an amateur station send a message to a business?
A. When the pecuniary interest of the amateur or his or her employer is less than $25
B. When the pecuniary interest of the amateur or his or her employer is less than $50
C. At no time
D. When neither the amateur nor their employer has a pecuniary interest in the communications ✓
中文
业余台何时可向企业发送报文?
A. 业余者或其雇主金钱利益 <25 美元
B. <50 美元
C. 任何时候都不行
D. 当业余者及其雇主在通信中均无金钱利益时 ✓
【知识点解析】 仅当通信双方均无金钱利益时可发(97.113);有商业利益则禁。
【考试提示】 – 中国对应:中国严禁利用业余电台从事商业活动。
– 易错点:误设金额门槛(实际为“无金钱利益”)。
– 实际应用:应急/公益通信可,商业接单不可。
– 易错点:误设金额门槛(实际为“无金钱利益”)。
– 实际应用:应急/公益通信可,商业接单不可。
E1F08 [97.113(c)]
EN
Which of the following types of amateur station communications are prohibited?
A. Communications transmitted for hire or material compensation, except as otherwise provided in the rules ✓
B. Communications that have political content, except as allowed by the Fairness Doctrine
C. Communications that have religious content
D. Communications in a language other than English
中文
下列哪些业余台通信被禁止?
A. 为报酬或物质补偿而发的通信(规则另有的除外) ✓
B. 含政治内容者(公平原则允许者除外)
C. 含宗教内容者
D. 非英文者
【知识点解析】 为报酬/物质补偿的通信被禁止(97.113),宗教、政治、非英文不禁止。
【考试提示】 – 中国对应:中国同样禁止利用业余电台牟利。
– 易错点:误以为宗教/外语内容受限。
– 易错点:误以为宗教/外语内容受限。
E1F09 [FCC Part 97.113(a)(4)]
EN
Which of the following cannot be transmitted over an amateur radio mesh network?
A. Third party traffic
B. Email
C. Messages encoded to obscure their meaning ✓
D. All these choices are correct
中文
下列哪项不能经业余无线电网状网络传输?
A. 第三方通信
B. 电子邮件
C. 为掩盖含义而编码的报文 ✓
D. 以上都对
【知识点解析】 不得传输为掩盖含义而编码的信息(97.113(a)(4));网状网络可载第三方/邮件但不得加密隐藏。
【考试提示】 – 易错点:网状网络≠可加密;仅掩义编码被禁。
– 实际应用:业余数据可用公开协议,不可密文掩义。
– 实际应用:业余数据可用公开协议,不可密文掩义。
E1F10 [97.201]
EN
Who may be the control operator of an auxiliary station?
A. Any licensed amateur operator
B. Only Technician, General, Advanced, or Amateur Extra class operators ✓
C. Only General, Advanced, or Amateur Extra class operators
D. Only Amateur Extra class operators
中文
谁可以是辅助台(auxiliary station)的控制操作员?
A. 任何持证业余操作员
B. 仅 Technician/General/Advanced/Extra 级 ✓
C. 仅 General/Advanced/Extra 级
D. 仅 Extra 级
【知识点解析】 辅助台控员须 Technician 及以上(97.201),含全部等级。
【考试提示】 – 实际应用:辅助台(如中继链路)控员门槛较低。
– 易错点:误以为需高级别。
– 易错点:误以为需高级别。
E1F11 [97.317]
EN
Which of the following best describes one of the standards that must be met by an external RF power amplifier if it is to qualify for a grant of FCC certification?
A. It must produce full legal output when driven by not more than 5 watts of mean RF input power
B. It must have received an Underwriters Laboratory certification for electrical safety as well as having met IEEE standard 14.101(B)
C. It must exhibit a gain of less than 23 dB when driven by 10 watts or less
D. It must satisfy the FCC’s spurious emission standards when operated at the lesser of 1500 watts or its full output power ✓
中文
外置 RF 功放要获 FCC 认证,下列哪项标准须满足?
A. 10 W 以下驱动即满功率输出
B. 须有 UL 安全认证并符合 IEEE 14.101(B)
C. 10 W 以下驱动增益 <23 dB
D. 在 1500 W 与其满输出两者中较小者工作时满足 FCC 杂散发射标准 ✓
【知识点解析】 认证功放须在满输出(或 1500 W 取小)下满足杂散发射标准(97.317)。
【考试提示】 – 中国对应:中国功放须型号核准、杂散达标。
– 实际应用:购功放看是否 FCC/型号核准。
– 易错点:杂散测试在满功率下进行。
– 实际应用:购功放看是否 FCC/型号核准。
– 易错点:杂散测试在满功率下进行。