6A

Question 1

___ ___ is the result of successfully connecting two or more satellite terminals where data or voice orderwire are passed over a satellite channel without significant degradation.

Answer 1

Link establishment

Question 2

This is the first step in establishing a link.

Answer 2

Satellite tracking

Question 3

In order to move on to transmitting and receiving frequencies we need to make sure that we are aimed at our assigned satellite. There are a number of tracking principles that can be utilized by antennas, but what’s important is that we are peaked on the ___ ___.

Answer 3

satellite’s downlink

Question 4

The most efficient way to ensure we are peaked on a satellite’s downlink is to lock onto the satellite’s ___.

Answer 4

beacon

Question 5

One purpose of a ___ is to serve as a basic identification mark to let you know you are on the correct satellite.

Answer 5

beacon

Question 6

Once you have moved your antenna in azimuth and elevation to find the satellite, you can verify that you are on the right satellite by using the ___ and a ___.

Answer 6

beacon
spectrum analyzer

Question 7

Once the beacon is found, many systems have ___ ___ ___ to lock onto the satellite’s beacon.

Answer 7

automatic tracking systems

Question 8

A ___ uplink and downlink happens once we are peaked onto the satellite’s location.

Answer 8

nominal

Question 9

This is where we can successfully acquire a communications channel using transmit and receive principles without error.

Answer 9

Nominal Uplink and Downlink

Question 10

___ is the transmit signal we are sending from our terminal.

Answer 10

Uplink

Question 11

___ is what we are receiving from the satellite

Answer 11

Downlink

Question 12

In order to ensure that our uplink and downlink is ideal, ___ ___ must take place.

Answer 12

power balancing

Question 13

This takes place following a successful communications link that is established over a
satellite connection.

Answer 13

Positive Control

Question 14

Positive control takes place following a successful communications link that is established over a satellite connection. Actions that take place during this phase of link establishment are required link status reporting and…?

Answer 14

Authorized Service Interruptions (ASIs)

Question 15

ASIs are ___ link outages that are either performed by the STEP site or at the user’s terminal.

Answer 15

scheduled

Question 16

The ___ ___ ___ ensure each terminal is operating according to the SAA.

Answer 16

satellite network controllers

Question 17

The satellite network controllers are closely supervised by the technical control of the ___ ___ ___, who must approve actions taken by the satellite network controllers affecting mission satellite deviation from the SAAs.

Answer 17

Sierra Nevada Corporation

Question 18

When reporting link status, you might provide details to the satellite controller to verify SAA accuracy. These details include:

Answer 18

mission number
total output power
current Coordinated Univeral Time (UTC)