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5.2 KiB

Raspberry NOAA

Raspberry PI operating system

I’m using Raspbian as it have full support for Raspberry PI, simple package manager and it’s pretty stable

Automatic install

  1. Update repositories and install git
sudo apt update
sudo apt install git
  1. Clone this repository on your home directory
cd $HOME
git clone https://github.com/reynico/raspberry-noaa.git
cd raspberry-noaa
  1. Run ./install.sh. You will be asked for your ground station lat/lon position.
  2. If you want automatic Twitter posting, see: Set your Twitter credentials

This is pretty much the entire setup. If you are interested about the behind of scenes please check the following section


Manual install

Required packages and software

sudo apt update -yq
sudo apt install -yq predict \
                     python-setuptools \
                     ntp \
                     cmake \
                     libusb-1.0 \
                     sox \
                     at \
                     bc \
                     nginx \
                     libncurses5-dev \
                     libncursesw5-dev \
                     libatlas-base-dev \
                     python3-pip \
                     imagemagick \
                     libxft-dev \
                     libxft2 \
                     libjpeg9 \
                     libjpeg9-dev \
                     socat \
                     php7.2-fpm \
                     php7.2-sqlite \
                     sqlite3 \
                     libgfortran5
sudo pip3 install numpy ephem tweepy Pillow

Install rtl_sdr

sudo cp templates/modprobe.d/rtlsdr.conf /etc/modprobe.d/rtlsdr.conf
  • clone rlt-sdr git repo and install rtl-sdr:
cd /tmp/
git clone https://github.com/osmocom/rtl-sdr.git
cd rtl-sdr/
mkdir build
cd build
cmake ../ -DINSTALL_UDEV_RULES=ON -DDETACH_KERNEL_DRIVER=ON
make
sudo make install
sudo ldconfig
cd /tmp/
sudo cp ./rtl-sdr/rtl-sdr.rules /etc/udev/rules.d/

Install WXToIMG

There’s a deb package for it

sudo dpkg -i software/wxtoimg-armhf-2.11.2-beta.deb

Raspberry-noaa configuration

Clone this repo

cd $HOME
git clone https://github.com/reynico/raspberry-noaa.git
cd raspberry-noaa

Install the default configuration files

  • noaa.conf: paths, satellite elevation and loggin
cp "templates/noaa.conf" "$HOME/.noaa.conf"
  • predict.qth: Predict’s ground station settings
cp "templates/predict.qth" "$HOME/.predict/predict.qth"
  • wxtoimgrc: WxToIMG ground station settings and license
cp "templates/wxtoimgrc" "$HOME/.wxtoimgrc"

Don’t forget to adjust your settings in those files

Install Meteor software

  • meteor_demod
git clone https://github.com/dbdexter-dev/meteor_demod.git
cd meteor_demod
make
sudo make install
cd ..
  • medet_arm
sudo cp software/medet_arm /usr/bin/medet_arm
sudo chmod +x /usr/bin/medet_arm

Setup Nginx

sudo cp templates/nginx.cfg /etc/nginx/sites-enabled/default
sudo mkdir -p /var/www/wx
sudo chown -R www-data:www-data /var/www/wx
sudo usermod -a -G www-data pi
sudo chmod 775 /var/www/wx
sudo cp templates/index.html /var/www/wx/index.html
sudo cp templates/logo-small.png /var/www/wx/logo-small.png
sudo systemctl restart nginx
sudo cp -rp templates/webpanel/* /var/www/wx/

Setup Database

sqlite3 "panel.db" < "templates/webpanel_schema.sql"

Setup RamFS

sudo mkdir -p /var/ramfs
cat templates/fstab | sudo tee -a /etc/fstab > /dev/null
sudo mount -a
sudo chmod 777 /var/ramfs

Setup ISS reception and decoding (SSTV)

wget -qr https://github.com/reynico/pd120_decoder/archive/master.zip -O /tmp/master.zip
cd /tmp
unzip master.zip
cd pd120_decoder-master/pd120_decoder/
pip3 install --user -r requirements.txt
cp demod.py utils.py "/home/pi/raspberry-noaa/"

Cron the scheduling job

cat <(crontab -l) <(echo "1 0 * * * /home/pi/raspberry-noaa/schedule.sh") | crontab -

Set your Twitter credentials

cp "templates/tweepy.conf" "$HOME/.tweepy.conf"
  • Set your credentials on "$HOME/.tweepy.conf"
export CONSUMER_KEY = ''
export CONSUMER_SECRET = ''
export ACCESS_TOKEN_KEY = ''
export ACCESS_TOKEN_SECRET = ''