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Most of the decoders mentioned above send the decoded ADS-B data through a local (or public if desired) network connection. There are a few software options available for receiving this network data and displaying it. Here we show four of the most popular, three are free, and one is paid with a trial option. To use these programs you will need to be running your ADS-B decoder at the same time as these programs.

VIRTUAL RADAR SERVER (WINDOWS)

Virtual Radar Server (VRS) is Windows and Linux Mono based free software program which displays plane positions in a web browser using Google maps. The map can then be shared with other people over the internet if desired. Virtual Radar Server can be downloaded from http://www.virtualradarserver.co.uk/ .

If you want to view other public Virtual Radar Servers, search Google using the string inurl:"VirtualRadar/GoogleMap.htm" to find many public Virtual Radar Servers. 1. First download and install VRS from its website. Then open VRS from the start menu.

3. Click on Receivers, then New. The properties of this receiver will show. 4. Name your Receiver RTL-SDR under General Settings.

5. Change the data source to “AVR or Beast Raw Feed ”.

6. Keep the IP Address at 127.0.0.1 (unless you are using a remote server), but change the port number to 31001 if using RTL1090. The following picture shows the settings you should be using if using RTL1090.

7. Click on Receivers and set the “Web site receiver”, “Closest aircraft receiver” and “Flight Simulator X receiver” to the RTL-SDR receiver you’ve just created. Press OK.

9. You should now be seeing a map. Zoom out and scroll to your location on the map. You should be able to see planes appearing if you are getting good ADS-B frame decodes from your ADS-B decoder program.

Now if you want to be able to see the aircraft registration number, operator, manufacturer, model, flag and silhouette information you will need to install a pre-made lookup database called basestation.sqb. To do this follow these instructions.

1. Go to http://www.sbs-resources.com/download/index.html and download and install the setup file. This will install the required files to a folder in C:\SBS-resources by default. If you change the default install folder be sure to change the file paths in steps 3, 4 and 5. (An alternative basestation.sqb can be found here http://planebase.biz/bstnsqb )

2. Now in Virtual Radar Server go to Tools->Options and click on the Data Sources tab. 3. Set the Database file name to C:\SBS-resources\Files\Registration\BaseStation.sqb. 4. Set the Flags Folder to C:\SBS-resources\Files\OperatorLogos.

5. Set the Silhouettes folder to C:\SBS-resources\Files\SilhouettesLogos 6. Click OK. The database is now set up.

Below is an example of what the web interface of a Virtual Radar Server that has been set up looks like.

PLANEPLOTTER

PlanePlotter is sophisticated commercial software that has a free 21 day trial period. After the trial period a license can be purchased for 25 Euros. PlanePlotter is also able to combine ACARS and ADS-B information together if you have two RTL-SDR sticks and can also be used to share data with the popular online ADS-B aggregator flightradar24.com. PlanePlotter can be downloaded from http://www.coaa.co.uk/planeplotter.htm .

One big advantage to using PlanePlotter is that it has a multilateration option which can be unlocked either by regularly contributing ADS-B data to their servers, or by paying 12 euros a year. Multilateration is a method which is used to estimate positions of planes that are broadcasting ADS-B signals without position data. It works by using data contributed from multiple locations and users to essentially triangulate plane positions.

PlanePlotter is easy to set up with the RTL-SDR, see the instructions below. 1. Download and install PlanePlotter from the website. Open PlanePlotter.

2. Go to Options->Mode-S receiver -> AVR Receiver -> TCP/IP Client . Set the address and port to 127.0.0.1:31001.

4. Set the port number to 31001 if using RTL1090. Now press start in RTL1090. 5. Back in Planeplotter click the green start button .

6. You can now switch to the Aircraft view to see a list of detected aircraft.

7. Switch to Chart View , and use the mouse wheel to zoom in and out. Scroll to where some aircraft are showing and then click on the Download Map Button to download a Google map. Every time you move or zoom click this button again to re-download a new map. You can also click the satellite button to download a satellite view.

Using PlanePlotter it is also possible to view aircraft in three dimensions using Google Earth. To view the aircraft in Google Earth, you will need to enable the Google Earth Server and have Google Earth Installed. Google Earth can be downloaded from https://www.google.com/earth/ .

1. Go to Options->I/O Settings and click the enable checkbox in the Google Earth Server boxed area and press OK. Note to access I/O settings you’ll need to first stop PlanePlotter decoding by pressing the stop button if it is running.

2. Restart ADS-B reception by pressing the green start button once again.

3. Now navigate using Windows Explorer to the folder that you have installed PlanePlotter to. The default installation path is C:\Program Files (x86)\COAA\PlanePlotter. In this folder locate the google_aircraft.kml file and double click it. This file should open automatically with Google Earth and display a top down view of aircraft. You can also open google_cockpit.kml for simulated cockpit views of the aircraft.

To install the basestation.sqb database like with Virtual Radar Server follow the instructions outlined at http://planeplotter.pbworks.com/w/page/17117301/Databases .

ADSBSCOPE

AdsbSCOPE is a free ADS-B radar program which can be downloaded from http://www.sprut.de/electronic/pic/projekte/adsb/adsb_en.html#downloads under the link that says “ZIP-File with all relevant data (13 MB)”. Some people might prefer adsbSCOPE over the other programs shown above as it is free and not web browser based. The latest version of adsbSCOPE also has easy setup options for RTL1090. To install and use adsbSCOPE follow the instructions below.

1. Download and unzip adsbSCOPE to a folder. Then navigate to the pc_software/adsbscope/26 folder. Run adsbscope26_16384.exe to open the program. 2. Go to other->Network->Network setup .

3. The screen will be shown. Under presets click on RTL1090. Click on the local button as well, unless you are using a shared server, in which case enter the URL of the server. If you are using a different decoder then set the Portnumber in the RAW-data-client boxed area to be the port used by your decoder.

4. Now start RTL1090 or whatever decoder you have chosen to use.

5. In adsbSCOPE click the start RAW-data CLIENT button . After pressing it the button will become colored . ADS-B data should now be shown in adsbSCOPE.

6. You can use the mouse to pan around the map and the zoom buttons to zoom in and out. You can also click the map button to download a map of the area currently shown in the screen. 7. Use the mouse and zoom tools to center the cross hairs on the location of your receiver.

8. Go to Navigation->set Receiver Location to set the receiver location to the current position of the cross hair.

ADSBScope can also create a max range plot which can over a period of time show how well your antenna is working. This will draw a line to each of the furthest aircraft seen over time. To turn it on simply follow these steps. 1. Go to Config->Maximum Range and enable ‘show all altitudes’.

2. Ensure that View->Maximum Range is checked.

BASESTATION

BaseStation is one of the original ADS-B display software packages. It was around when there were only dedicated ADS-B hardware receivers available. Many users prefer this software because it is what they are used to and it has a professional radar-like display.

To get basestation to work with RTL1090 or other decoders follow these instructions. To get it to work with Modesdeco you can skip to step 4 where Basestation is opened - we highly recommend using modesdeco as the decoder if you are wanting to use basestation due it’s ease of use.

1. Download and install the com-port emulator com0com http://sourceforge.net/projects/com0com/ . During installation you may have some problems with unsigned driver issues. To get around this you will need to disable signed driver checks for your particular OS after installing com0com and then restart your PC.

After launching com0com for the first time take note of the numbers of the COM ports under Virtual Port Pair 1. They will be different depending on your PC setup. Here we have COM6 and COM7.

2. Download com2tcp from mode-s.66ghz.com and extract the exe file into a folder. In that folder create a batch file (To create a batch file simply create a .txt file, copy the command into the text file, then in Windows explorer rename the batch_file.txt to batch_file.bat). One batch file should contain the command in the following line and another containing the command in the second line. These commands are for RTL1090 and the 31001 port that it uses.

com2tcp --baud 3000000 --ignore-dsr --sbsbin \\.\COM7 10001

3. Now, run both batch files and then open RTL1090. RTL1090 should detect the TCP connection and the TCP light will turn green. 4. Open BaseStation.

5. An initial popup wizard will show. Follow the wizard and set your location and then your network address to 127.0.0.1 port 10001. When you get to the “Confirm the Device Type” screen first ensure you have RTL1090 with com2tcp or Modesdeco running on port 10001 with ADS-B frames being received. Then choose SDR Puck and then next.

6. The Wizard will check to see if it can receive ADS-B packets so ensure your decoder is up and running and is seeing ADS-B data. If it is successful Basestation will open. If no frames are received during this time, the wizard may fail and you will need to try again.

Now Basestation should be set up and received aircraft should be showing on the screen.

GLOBE-S

A lightweight radar viewer intended to be used with RTL1090. A version of Globe S is built into the beta 3 version of RTL1090. It can be downloaded from http://rtl1090.web99.de/homepage/index.php? way=1&site=READOUT&DERNAME=Globe-S%20RTL1090&dm=rtl1090&USER=rtl1090&goto=1&XURL=&WB=1&EXTRAX=X&PIDX=104245 .