Swag

What is the main function of a satellite transponder?

    ✅ B) Receive, amplify, and retransmit signals

What does the term “uplink” refer to in satellite communication?

Signal sent from the ground station to the satellite

What is polarization in satellite communication?

Orientation of the signal’s electric field

What is the primary purpose of a Low Noise Amplifier (LNA)?

Amplify weak signals with minimal noise

What is modulation?

Encoding data onto a carrier wave

What is the purpose of frequency conversion in satellite communication?

To match signal frequencies for transmission and reception

Which component of a satellite receives the uplink signal?

Transponder

What is the role of the High Power Amplifier (HPA)?

Boost the RF signal before it is transmitted to the satellite

What is a Tunable Low Noise Block (TLNB)?

A Low Noise Block with adjustable frequency range

What does a modem do in satellite communication?

Modulates and demodulates digital signals

Why is the antenna’s parabolic shape important?

To focus the signal for better transmission and reception

What is Forward Error Correction (FEC)?

Adding redundancy to transmitted data for error correction

Which error correction technique is most commonly paired with Viterbi decoding?

Reed-Solomon encoding

What does a Bit Error Rate (BER) measure?

The ratio of error bits to transmitted bits

What is the purpose of polarization in satellite communication?

To reduce interference and enable frequency reuse

Why do satellites perform frequency translation?

To avoid interference between uplink and downlink frequencies

What happens during the demodulation process?

The carrier wave is extracted, and the original data is recovered

What modem does the S/M terminal utilize?

Linkway S/2 Modem

What bands are SL-3 to the S/M terminal?

KU band and KA

The following frequency 14689.000 MHz converted to GHz is?

14.689 GHz

Was the DSCS-I first satellite to be launched into space ?

Sputnik 1

The LEO orbit orbits the Earth every 120 mins?

False, 90 Minutes

The VSAT-L Antenna size is 2.2M?

False, 2.4 M

The VSAT-M uses an

EBEM Modem?

F (Typically uses a Linkway

S2 modem.)

Linkway modems capable of 3.5 Mbps, 7.7 Mbps, or 15 Mbps Data Speeds?

F (3.75, 7.5, 15)

1. VSAT stands for Very Small Acquire Terminal?

F (Very Small

Aperture Terminal.)

You need a bootfile before you acquire the BIRD?

T

Bird is another saying for the terminal?

F, (refers to the satellite)

The VSAT-L can provide services of FDMA and TDMA at the same time?

T

The Dish size of a VSAT- T S is 1.2M?

T

TDMA stands for Time Divided Multiplication

Access?

F (Time Division

Multiple Access.)

FDMA stands for

Frequency Division Multiple

Access?

T

The Panther II utilizes a

Linkway Modem?

F

The Panther II can be Manpacked?

T

The Dish size of an GATR/

ATLAS Ball is 2.4M?

T

The first Satellite was Sputnik?

T

The LO for KU Band 1 RX is 11 GHz?

F, 10

The equation to find IF is

(RF + LO)?

F, RF - LO

The VSAT-L utilizes

ViaSat EBEM modem for

FDMA (up to 155 Mbps)?

T

IF stands for

Intermediate Frequency.

T

MRT is also known as Master Reference Terminal?

T

The VSAT-S uses X, KU, and KA?

F, Only

KU KA

The final part of the signal flow for TX is the Feed Horn?

T

The Panther II can utilize T TDMA and FDMA?

T