Integrating Virtual Radar Applications

Earlier this year I wrote a short post about how I had connected together a large number of various virtual radar applications, so that each was receiving or feeding data to another. Over time, my setup has changed, as have a couple of the networking apps. Out is ComByTCP; in is hub4com. Nitric oxide acts as an important agitator in accretion claret breeze back viagra cialis prix it makes claret argosy amplify or expand. Your emotions, your state of Prices viagra sildenafil canada mind and body. Tadalista robertrobb.com cialis properien improves sexual health by enhancing erectile function. Interestingly buyer needs to pay directly to the website they are buying from using their cheap viagra canada credit / debit card and not to any third party. The easiest way to show you my setup now is with an aviation-themed graphic, so here you go:

Setup as of November 22, 2013
My setup as of November 22, 2013. Click to enlarge.

Planespotting at Toronto Pearson YYZ

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ADS-B and the Raspberry Pi Revisited

Seven months ago I took a stab at using a Raspberry Pi as a virtual radar server. It didn’t go well. Not well at all. I tried again a couple of times but became frustrated with a variety of different glitches, mostly with the Pi itself and its networking. Yesterday I took yet another stab at it, and now it works! Flawlessly! I have my Raspberry Pi running dump1090 (the unix/linux version of RTL1090) with data coming from my RTL2832U/R802T dongle. Here’s what I did.

First, I can’t take any credit for this. I followed (most of) the instructions David Taylor has on his website. I started with his section on “Preparing the Raspberry Pi.”

David Taylor's website regarding dump1090 and the Raspberry Pi.
David Taylor’s website regarding dump1090 and the Raspberry Pi.

As he suggests, I started with a fresh install of the operating system, which you can get from the Raspberry Pi website. There are two main types of download on that site: the New Out of Box Software (NOOBS) — which is a larger download but makes the installation and setup of the OS much simpler — and the raw images of each flavour of OS. You’ll need a keyboard, mouse and display for the initial setup. If you opt for the NOOBS install, make sure you enable SSH on your Pi so you can remotely access it in the future without the need of the keyboard, mouse and display; it’s one of the questions during the setup process. I have my Pi connected to my network via ethernet as my attempts at wireless in the past (and indeed this time) have not gone well. I suspect it has more to do with the flavour of wifi dongle I have rather than anything in the OS.

If you’re following David’s instructions concurrently with these, then you should now be up to Step 5 on his page. Go ahead and update the repository for the Advanced Packaging Tool, which takes just a minute or two:

sudo apt-get update

I opted not to do Step 6 on David’s page, upgrading the OS to ensure it is entirely up-to-date, because the version of NOOBS I downloaded was just a few days old. Instead, I skipped to Step 7, installing git-core:

sudo apt-get install git-core

As David says, this downloads and installs the code necessary to allow you to install git, a distribution tool with version management. You’ll need a few other thinks at the same time, including the USB libraries and tools to compile rtl-sdr and dump1090.

sudo apt-get install git
sudo apt-get install cmake
sudo apt-get install libusb-1.0-0-dev
sudo apt-get install build-essential

You’re now part of the way through Step 8 of David’s page and ready to install the rtl-sdr code that will make your dongle usable. Don’t plug your dongle in yet. Wait until after you’ve done the following:

git clone git://git.osmocom.org/rtl-sdr.git
cd rtl-sdr
mkdir build
cd build
cmake ../ -DINSTALL_UDEV_RULES=ON
make
sudo make install
sudo ldconfig

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sudo cp /home/pi/rtl-sdr/rtl-sdr.rules /etc/udev/rules.d/
sudo reboot

After the system has rebooted, you can plug in your USB dongle and connect the antenna. You’re now up to Step 9 on David’s page. Let’s test the dongle to make sure the system can see it:

rtl_test -t

That should return something like:

Found 1 device(s):
0: ezcap USB 2.0 DVB-T/DAB/FM dongle

You’ll likely get more lines returned than just that, but the overall message should be a positive one. If that’s the case, let’s go ahead and install dump1090 as David suggests.

cd ~
git clone git://github.com/MalcolmRobb/dump1090.git
cd dump1090
make

If that returns an error, you’ll need to install another tool and then run the command again:

sudo apt-get install pkg-config
make

And that should be it! You should now be able to run dump1090 and get some traffic, provided your dongle is receiving data. Make sure your antenna is outside or at least very close to a window and then try:

./dump1090 --interactive

You should get a table of results, like this:

The results of running ./dump1090 --interactive
The results of running ./dump1090 –interactive

David Taylor has much more information on his site about connecting PlanePlotter to dump1090, making dump1090 run when your Raspberry Pi boots up, and about viewing the output from dump1090 superimposed on a Google map on a web page. I’m not going to duplicate all of his info here. My main goal was to get dump1090 running on my RPi. Mission accomplished.

Final Approach at Toronto Pearson Runway 5

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Virtual Radar Apps for iOS

AirNav Systems finally released its own iOS application today, coming very late to a market that FlightRadar24 and Pinkfroot have enjoyed for quite some time now. Below is a matrix comparison of the three different applications and their features.

iOS Virtual Radar Apps

PlaneFinder
PlaneFinder on the iPhone

PlaneFinder

As you can see, the three apps all support the same fairly basic set of features, though at varying prices, the most expensive of which is obviously PlaneFinder. Developed by Pinkfroot, the iPad and iPhone versions of PlaneFinder are two separate apps rather than being one app that works on both devices. That means you have to pay twice for the same thing. If you want the augmented reality view – you can hold your iDevice up to the sky to see aircraft near you – then Pinkfroot wants you to buy another app, though that one is designed to work on both your iPhone and iPad. The 3D cockpit view is yet another separate app (again for both iPhone and iPad) that allows you to see what the pilot sees. This is a pretty cool feature when planes are at lower altitudes, but not much changes when a plane is at 30,000 feet. PlaneFinder itself is actually a pretty decent app to use. It’s quick and has a minimalistic interface, allowing the map to occupy most of the screen.

RadarBox24 on the iPhone
RadarBox24 on the iPhone

RadarBox24 Pro

RadarBox24 is – as mentioned – the newest app for iOS, and it’s pretty slick. The graphics are appealing and the interface is fairly well laid out. I do find that the background on the aircraft labels makes them difficult to read when they overlap in crowded airspace, but zooming in is quick and rectifies the issue. However, if you zoom out too far and the screen is simply full of aircraft, I’ve found the app grinds almost to a halt. To be fair, my iPhone is an older iPhone 4, but it runs iOS 7 just fine, thank you very much. One feature missing from RadarBox24 is push notifications, which both PlaneFinder and Flightradar24 do very well. This seems like quite an oversight for developer AirNav. Hopefully push notifications will be included in a future update. I really like the Area Events screen of this app, which shows all ADS-B departing or arriving in your area.

Flightradar24 Pro on the iPhone
Flightradar24 Pro on the iPhone

Flightradar24 Pro

This app offers the best value for money, in my opinion. At $2.99, you get a well-rounded app that includes all the features of RadarBox24 Pro plus push notifications. It works on both the iPhone and the iPad and is pretty intuitive to use. Sharing to Twitter or Facebook is simple. The flight detail screen shows the “radar” from which the aircraft’s data is being fed, and the latitude and longitude update in real time. From this screen you can access the 3D cockpit view, which lets you see what the pilot sees. It’s a great feature when you’re watching a flight land.

If you feed data to flightradar24.com, there is a free premium version of Flightradar24 that you can download. It has all the same features as the pro version, but requires you to login using the same username and password you use on flightradar24.com. AirNav tell me that they will be releasing a similar free app for RadarBox24, an elite app that will be free for those folks who feed data to their network. RadarBox24 Elite should be available later in 2013.

Available on the iTunes App Store

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Plane Finder HD

Plane Finder AR

Plane Finder 3D

RadarBox24 Pro

Flightradar24 Pro

Flightradar24 Premium

Plane Finder and Flightradar24 both also provide feature-limited free versions of their apps. Search the iTune App Store for more info.