19AIE204

NOAA Satellite Reception Using RTL SDR

Introduction to Communication System

Aadharsh Aadhithya                  -         CB.EN.U4AIE20001
Anirudh Edpuganti                     -         CB.EN.U4AIE20005

Madhav Kishore                          -         CB.EN.U4AIE20033
Onteddu Chaitanya Reddy        -         CB.EN.U4AIE20045
Pillalamarri Akshaya                   -         CB.EN.U4AIE20049

Team-1

NOAA Satellite Reception Using RTL SDR

NOAA Satellites

NOAA Satellites

National Ocean and Atomospheric Administration

NOAA Satellites

What is the need?

NOAA Satellites

What is the need?

• Timely access to environmental data

NOAA Satellites

What is the need?

• Monitoring and understaning the dynamics of our earth

• Timely access to environmental data

NOAA Satellites

What is the need?

• Monitoring and understaning the dynamics of our earth

• Timely access to environmental data

• Provides data such as earth system monitoring and official assessments of the environment.

Automatic Picture Transmission (APT)

Automatic Picture Transmission (APT)

What is it?

Automatic Picture Transmission (APT)

What is it?

• An analog image transmission system 

Automatic Picture Transmission (APT)

What is it?

• Reliable and economical 

• An analog image transmission system 

Automatic Picture Transmission (APT)

What is it?

• Reliable and economical 

• An analog image transmission system 

• Data can be recieved atleast twice a day from each satellite

Automatic Picture Transmission (APT)

NOAA satellites transmitting APT

Automatic Picture Transmission (APT)

NOAA satellites transmitting APT

NOAA - 15

NOAA - 19

NOAA - 18

Automatic Picture Transmission (APT)

Recieving Images

Automatic Picture Transmission (APT)

Recieving Images

How?

Automatic Picture Transmission (APT)

Recieving Images

How?

Automatic Picture Transmission (APT)

Recieving Images

How?

Automatic Picture Transmission (APT)

Recieving Images

How?

8-14 mins

Automatic Picture Transmission (APT)

Recieving Images

Process

Automatic Picture Transmission (APT)

Recieving Images

Process

Antenna

RTL-SDR

Computer

Automatic Picture Transmission (APT)

Recieving Images

Process

Antenna

RTL-SDR

Computer

Frequency

Automatic Picture Transmission (APT)

Recieving Images

Process

Computer

SDR#

signals

Automatic Picture Transmission (APT)

Recieving Images

Process

Computer

SDR#

signals

audio

WXtoImg

Automatic Picture Transmission (APT)

Recieving Images

Process

WXtoImg

Capturing images and decoding are done 

V-Dipole

V-Dipole

V-Dipole

Setup

V-Dipole

Setup

V-Dipole

Setup

V-Dipole

Setup

Direction:

Towards the satellite is preffered

QFH

Quadrafilar Helix Antenna

Can be used to receive circularly polarised signals from non-geostationary low orbit satellites

Quadrafilar Helix Antenna

Can be used to receive circularly polarised signals from non-geostationary low orbit satellites

The Build

The Build

The dimensions of QFH antenna can be obtained from here

The Build

The dimensions of QFH antenna can be obtained from here

According to the dimensions , QFH antenna is been built using PVC Pipes,Coaxial Cables and solid core wires

According to the dimensions , QFH antenna is been built using PVC Pipes,Coaxial Cables and solid core wires

Demo

Aadharsh

V-Dipole & QFH

V-Dipole

QFH

Anirudh

V-Dipole

Chaitanya

V-Dipole

Akshaya

V-Dipole