Inspection of container for apparent damage

Inspect battery expiration date and the lanyard condition

Brief operational test utilizing own ship's radar.

A. Operational test with several vessels to determine effective transmitting range.

Three days

Four days

Forty-eight hours

Eight hours

D. Automatic Hydrostatic Release (ARM), 1-watt 121.5 MHz alerting beacon, strobe light.

A. A strobe light, automatic float-free bracket, 1-watt 406-MHz alert beacon

B. A 5-watt 406-MHz alert beacon, Automatic Hydrostatic Release (ARM), strobe light.

C. Automatic float-free bracket, 5-watt 121.5 MHz homing beacon, strobe light.

C. Operation on Ch-16, watertight, permanently-affixed antenna.

B. Watertight, power a minimum of 1W, operation on CH-16, Ch-13 & Ch-70.

A. Permanently-affixed antenna, watertight, power 1W or 25W.

D. Operation on Ch-16, Ch-13 & Ch-70, power 1W, permanently-affixed antenna.

B. Antenna must be permanently-affixed.

D. Effective radiated power should be a minimum of 2.0 Watts.

C. Simplex (single frequency) voice communications only.

A. Operation on Ch-16

B. Operates simplex on Ch-70 and at least one other channel.

C. Effective radiated power should be a minimum of 0.25 Watts.

D. The antenna is fixed and non-removable.

A. Watertight to a depth of 1 meter for 5 minutes.

D. Station codes are not shared by other NAVAREAS, transmissions scheduled on a time-sharing basis and power is limited.

C. Transmitter power is limited, station assignment codes are not shared by other NAVAREAS and stations alternate between daytime and nighttime operations.

A. Transmissions scheduled on a time-sharing basis, power limited and station assignment codes are geographically separated.

B. All stations transmit at the same time but stations are limited to daytime operation only to reduce the radius of propagation.

A. Setting the squelch control to its minimum level.

B. Setting the squelch control to its maximum level.

C. The power switch is set to the "high" output position, resulting in receiver overloading.

D. Setting the channel selection switch midway between channels 6 and 16.

A. 25 watts after dark.

C. 1 watt, day or night.

D. 1 watt using DSC at night.

B. 25 watts during a clear sunny day.

C. Vessel antenna height.

D. Ionospheric refraction.

A. Salt water ingress into the antenna coaxial cable.

B. Power level setting.

B. Changing power from 1W to 25 W.

A. Atmospheric ducting or tropospheric propagation.

C. Skywave reflections from the D layer.

B. Changing power from 1W to 25 W.

B. Changing power from 1W to 25 W.

A. Atmospheric ducting or tropospheric propagation.

C. Skywave reflections from the D layer.

D. Ionospheric activity in layers F1/F2.

B. The normal transmission range to a coast station is approximately is 10 NM.

D. VHF communications are effective only with nearby stations within visual range of the bridge.

C. Coast station antenna height has no effect on the radius of transmission.

A. Vessel antenna height will not affect the radius of propagation.

C. Selecting an appropriate channel, adjustment of squelch for minimum receiver sensitivity & setting transmitter power to 1W.

B. The adjustment of squelch for maximum receiver sensitivity, setting transmitter power to 1W & selecting an appropriate channel.

A. Appropriate setting of the transmitter power, selecting an appropriate channel & adjustment of squelch for maximum receiver sensitivity.

D. Selecting an appropriate channel, adjustment of squelch for minimum receiver sensitivity, setting transmitter power to 25W.

C. Makes a diagnostic test of the system without actually transmitting a signal.

D. Does a check sum of the memory chips.

B. Transmits a weak voice signal which is picked up on Ch-16.

A. Transmits a very weak DSC signal which is picked up by the Ch-70 receiver.