Radio Frequency Segment

Question 1

What are the frequency ranges?

Answer 1

UHF, SHF, EHF, Long distances, long range communications, pier connectivity.

Question 2

What is UHF?

Answer 2

Ultra High Frequency operates 300 MHz to 3 GHz transit information at speeds up to 64 kilobits per second that provides a secure text-based communications.

Question 3

What is SHF?

Answer 3

Super High Frequency that operates 3 GHz to 30 GHz with speeds up to 24 kbps.
provides secure data, voice and video information known ad the “IP” on the ship.

Question 4

What is EHF?

Answer 4

Extremely High Frequency the operates in 30 GHz to 300 GHz.
most secured virtually error-free data, voice and video transmissions.

Question 5

What is short range communications?

Answer 5

25 to 30 nautical miles. 30 Max to 300 MHz (VHF) and 300 MHz- 3GHz.

Question 6

What is long distances?

Answer 6

ELF,VLF, LF, HF.
Makes it possible for ships to communicate when they are beyond the visible horizon.
Takes place over 30 nautical miles

Question 7

What is the ELF?

Answer 7

Extremely low frequency which is less than 3 kHz

Question 8

What is VLF?

Answer 8

Very low frequency which is 3 to 30 kHz

Question 9

What is LF?

Answer 9

Low frequency which is 30 to 300 kHZ

Question 10

What is HF?

Answer 10

High frequency which is 3 to 30 MHz.

Question 11

What are long range communications?

Answer 11

Allows data and voice to travel several hundred feet below the ocean with little signal loss.

Question 12

What are long range limitations?

Answer 12

be detected by the enemy, interfere with other connection circuits, bodily harm near transit, may cause ammunition and fuel to explode