3B

Question 1

Satellite communications often operate within the ___ ___ ___ range because of its ability to pierce the atmosphere and reach space.

Answer 1

Super High Frequency (SHF)

Question 2

Within the SHF part of the spectrum there are five common bands into which SATCOM terminals typically fall:

Answer 2

C, X, Ku, K and Ka-Bands

Question 3

___-Band was one of the first and original range of frequencies used in satellite communications.

Answer 3

C

Question 4

It can operate on satellites such as, INTELSAT, EUTELSAT, DOMSAT, and PANAMSAT.

Answer 4

C-Band

Question 5

The C-Band typically uses the frequency range of

Answer 5

4 GHz – 8 GHz

Question 6

How is C-Band polarized?

Answer 6

Linearly or circularly

Question 7

Due to C-Band’s frequencies being in the lower end of satellite communications, it
employs a ___ wavelength and often ___ parabolic dishes/feed horns.

Answer 7

longer
larger

Question 8

C-Band is highly resistant to ___ fade effects making it desirable in challenging environments, but it offers lower throughput compared to higher frequency bands.

Answer 8

rain

Question 9

This frequency band is also utilized for weather radars, Wi-Fi version 802.11a, TV networks, and some radio networks in the 5 GHz range.

Answer 9

C-Band

Question 10

___-Band is primarily used in military applications

Answer 10

X

Question 11

How is X-Band polarized?

Answer 11

Circularly

Question 12

The X-Band typically uses the frequency range of

Answer 12

8 GHz-12 GHz

Question 13

This band is used in satellites
such as Defense Satellite Communication System (DSCS) II/III, North Atlantic Treaty
Organization (NATO) 3/4, and Wideband Global SATCOM (WGS).

Answer 13

X-Band

Question 14

Other applications that use
this band are civil, military, and government weather radars, air traffic control, and vehicle speed detection for law enforcement.

Answer 14

X-Band

Question 15

Ku-Band uses the frequency range of:

Answer 15

12 GHz – 18 GHz

Question 16

What does KU stand for?

Answer 16

Kurz Under

Question 17

This band is highly utilized by various satellites including, INTELSAT, EUTELSAT, DOMSAT, and PANAMSAT.

Answer 17

Ku-Band

Question 18

This band falls into the lower part of the original NATO K-band.

Answer 18

Ku-Band

Question 19

Other applications that use this band are digital television, radio astronomy, radio navigation, and commercial aircraft.

Answer 19

Ku-Band

Question 20

While this band offers more
throughput and a smaller terminal footprint than its predecessors, it can be affected by ___ ___ and requires more precise pointing due to its narrower focus beam.

Answer 20

rain fade

Question 21

K-Band utilizes the frequency range of

Answer 21

18 GHz – 27 GHz

Question 22

K-Band has high atmospheric
attenuation and is not useful for:

Answer 22

long distance communications

Question 23

Ka-Band uses the frequency range of

Answer 23

27 GHz – 40 GHz

Question 24

How is Ka-band polarized?

Answer 24

Circularly

Question 25

Ka-band’s main usage is for ___ communications.

Answer 25

satellite

Question 26

It will work on the WGS (military) constellation and on INTELSAT and EUTELSAT (commercial)
constellations.

Answer 26

Ka-Band

Question 27

Ka-Band’s total bandwidth is more than ___ times that of C-band, and its total throughput is the highest out of the discussed frequency bands.

Answer 27

five

Question 28

Due to K-Bands very short wavelength, ___ ___ causes significant reliability issues.

Answer 28

inclement weather