Communication / GPS

Question 1

0.3 to 3 MHz is used on what frequency radio?

Answer 1

MF - medium frequency

Question 2

3 to 30 MHz is used on what frequency radio?

Answer 2

HF - High Frequency

Question 3

30 to 300 MHz is used on what frequency radio?

Answer 3

VHF - Very High Frequency

Question 4

300 to 3000 MHz is used on what frequency radio?

Answer 4

UHF - Ultra High Frequency

Question 5

Frequencies in the VHF band operate on the _________ principal.

Answer 5

Line of sight

Question 6

How many miles will a MF (Medium Frequency) radio transmit?

Answer 6

200 miles

Question 7

What is VHF channel 13 used for?

Answer 7

Bridge-to-Bridge Communication

Question 8

What is the VHF (Very High Frequency) channel 16 used for?

Answer 8

International calling and distress

Question 9

What is VHF (Very High Frequency) channel 67 used for?

Answer 9

Bridge-to-Bridge
(same as channel 13)
More common in Gulf of Mexico and Mississippi River.

Question 10

What word is used following a transmission when a response from the other station is necessary?

Answer 10

Over

Question 11

What word is used following the last transmission when no reply is required or expected?

Answer 11

Out

Question 12

When underway, boat crews are required to provide operations normal report how often?

Answer 12

30 minutes

Question 13

How many GPS satellites are currently in space?

Answer 13

24

Question 14

How many satellites are required to generate a fix?

Answer 14

4

Question 15

What is the circumference of the earth in Nautical Miles?

Answer 15

21,600 NM

Question 16

Within meters, How accurate is DGPS?

Answer 16

10 Meters

Question 17

What VHF channel uses a frequency of 156.8mhz?

Answer 17

Channel 16