RTL SDR Software Defined Radio running on Android phones and tablets with Ice Cream Sandwich

RTL SDR Software Defined Radio running on Android phones and tablets running Ice Cream Sandwich.

photo of nexus 7 tablet running sdr touch radio software

Take a phone or tablet running Android Ice Cream Sandwich, a USB cable wired for OTG, and a $20 USB TV Stick, and you have a touch screen radio scanner capable of tuning anywhere from 52-2200Mhz.

From their website:

“Turns your mobile phone or tablet into a cheap and portable software defined radio scanner. Allows you to listen to live on air FM radio stations, weather reports, police, fire department and emergency stations, taxi traffic, airplane communications, audio of analogue TV broadcasts, HAM radio amateurs, digital broadcasts and many more! Depending on the hardware used, its radio frequency coverage could span between 50 MHz and 2.2 GHz. It currently demodulates WFM, AM, NFM, USB, LSB, DSB, CWU and CLW signals.

You can get a compatible USB receiver for under $20 online from eBay. Just plug in your rtl-sdr compatible USB DVB-T tuner into your Android device using a USB OTG Cable and turn on SDR Touch. For list of supported Realtek RTL2832U based dongles, please see the end of the description. Those features are supported via a driver that you will need to download from Google Play.”

Written by admin in: 3G,4G,Bluetooth,DECT,GPS,GSM,Tetra,WiFi |

weak magnetic fields alter number of chromosomes in cancer cells research

Weak magnetic fields alter number of chromosomes in cancer cells research.

This is really interesting

Research that’s easy to replicate elsewhere, or not, that could change the game forever…

Written by admin in: 3G,Bluetooth,DECT,GPS,GSM,WiFi |

RTL-SDR cheap USB TV dongles become super cheap USRP radios!!!

That’s right folks. Software radio just became mainstream. Up until last summer you paid £1000+ for a USRP, then came along the £120 Funcube dongle. Now you can learn all about SDR for £20.

You can now use a £20 USB DVB-TV Stick to receive any frequency from 64-1700MHz at a high bandwidth sample rate of 2.8MS/s. Required chipset is RTL2832U & Elonics E4000 tuner combo. Known good units are EzCapTV 668 & 666 units, along with a host of similar boards.

What has been successfully tested so far is the reception of FM/AM radio, TETRA (police, ambulance, fire), GMR (sat phones), GSM (mobile phones), ADS-B (aircraft data) and POCSAG (pagers).

Go and type RTL-SDR into Youtube and you’ll find loads of great demo videos – like these:

Here’s another good page :

Some useful Windows SDR# software here

Written by admin in: 3G,DECT,GPS,GSM,Masts,Tetra,Uncategorized |

Iranian TV shows off downed American UAV drone aircraft

Iran have shown video of the downed drone which looks intact, suggesting they didn’t shoot it down.

They claim it was brought down by electronic measures. Signal jammer anyone?

BBC story & video

more here

Written by admin in: 3G,GPS,GSM,WiFi |

Predator and Reaper UAV Drones hit by Virus

Want to know how World War III really starts?

The control centre for the remote UAV drones (that’s unmanned American surveillance planes that fly by remote control) has been hit by a virus!

Although not connected to the internet, someone has stuck a USB pen drive infected with a virus into one of the PCs that run the remote control system for the Predator planes. Seemingly they run Windows XP – see photo. (this really happened in the last month).

photo of UAV control room

Hypothetically speaking of course, if these PCs were connected to the internet, they might now be under the control of a bot-master, for sale to the highest bidder on the internet crime forums. Got a dispute with a business associate? Don’t send round a bruiser with a baseball bat, instead bomb the f**k out of them!

Okay, it didn’t happen yet, but it might quite soon. Imagine, in the very near future, when China own all the infrastructure and buildings within the EU (because of our own financial stupidity) – World War III could be easily sparked by UAV drones under the control (seemingly) of some 3rd party hacker bombing Beijing. What a great get-out clause for the real culprits… and a release from all our financial obligations. (great James Bond movie plot, if nothing else)

These drones are obviously able to act autonomously when not in radio communication with HQ (think about your own smartphone that already has GPS, a gyroscope & inertia sensor), but they still depend on radio signals to operate remotely. Imagine someone in a cheap plane with an array of radio jammers… What is the UAV to do next?

These UAV’s are just turning war into a video game for the remote operators – would you want one of your children running this remote control killing room? If you’re brought up killing people successfully on-screen in video games, then it’s a very small leap to doing it for pay from the US military in some remote server room (Remember, champions of justice, your opponents have families & children, who also dream of a better world).

Follow the Drunken UAV on Twitter.

Written by admin in: General,GPS,Uncategorized |

Interesting new products: Ubertooth, Funcube Dongle Pro and Sparkfun IOIO for Android.

Ubertooth, Funcube Dongle Pro and Sparkfun IOIO for Android.

Three brand new innovative products, all coming out around the same time. All in limited supply, and all completely brilliant!


Ubertooth – Bluetooth sniffing for under £100.

Until now sniffing and injecting packets into Bluetooth communication hasn’t been possible for the man in the street.

The Ubertooth USB dongle will change this for under £100.

The USB adapter just grabs a chunk of 2.4GHz spectrum and your PC processes it. Makes passive detection of Bluetooth devices possible without shelling out £1000 for a USRP. It will be possible to predict Bluetooth hopping pattern. It will also be possible to do man-in-the-middle attacks using two Ubertooths.

UK Buyers can pre-order from US buyers can pre-order from HakShop


FUNcube Dongle Pro – all frequency audio scanner for under £100.


Another USB dongle featuring three SMD chips to perform a custom task. This dongle is very different from the Ubertooth, but in some ways more amazing.

It can grab up to a 80KHz chunk of radio spectrum from anywhere between 64MHz and 1700MHz (although there is a dead spot between 1100MHz and 1270MHz). It will basically do most things your fancy-pants £1000+ standalone radio scanner will do, for just £100. Basically good for speech & data, but not really video. Works with Windows. Mac OSX & Linux. Appears to PC as a USB audio device & a HID device. Plenty of open source software available to drive it. Interestingly the FUNcube Pro is mentioned on the Osmocom Tetra page.

The only downside is that each batch the designer has made are currently selling out in 2 minutes, when he releases them. Find out more at FUNcube Dongle


Sparkfun IOIO for Android – attach anything to your Android smartphone for under £50.

A really simple way to attach almost any electronic component to your Android Smartphone or Tablet. Thousands of uses will be found. Things will be invented!

This board consists of a USB to Everything adapter & a library of script & device drivers (a bit like an Arduino sketch but in Java). All the computing power & sensors in your Android smartphone available to motors, LEDs, weather stations, robots, PIRs, analog sensors, digital sensors. Just imagine the possibilities. Runs on Android 1.5 & up, so even all those sub-£50 used Android phones will work with it.

Written by admin in: 3G,Bluetooth,GPS,GSM,Tetra,Uncategorized,WiFi |

Jamming and Spoofing GPS – New Scientist Magazine – David Hambling – 12th March 2011

There’s an interesting article on GPS in the New Scientist this week – issue 12th March 2011, page 44.

The crux of the article is this: while we’re all using GPS in Smartphones & TomToms to find out where we are, it’s also being used in lots of mission-critical infrastructure hardware these days to get accurate atomic clock time & date stamps. Some of these other uses: GSM cell towers to synchronise clocks, signing stock market financial transactions, bank ATM timestamps, the United States power grid to sync 5000 suppliers, some airports use GPS-based landing systems to assist in poor visibility. In the future the US Federal Railroad Administration plans to rely on GPS for smart management of rail traffic. GPS is also used to locate cars, boats & cargo.

Jammers for GPS are now being manufactured in large numbers in Chinese factories, and can be bought over the internet using Paypal direct from the Far East – along with jammers for every other radio system you can imagine – just Google it. Like all these other jammers they are illegal to use. So who uses them? They are used by truckers to hide from their snooping bosses, criminals who steal cars with trackers fitted and people who want to avoid some GPS enabled road toll systems.

The problem is that GPS signals are derived from satellites in space that only transmit on low power. If you turn on a GPS jammer you not only block your own device, but also all GPS devices for hundreds of metres around you. The article mentions a trucker who used to drive past Newark Liberty International Airport, and his jammer shut down their new GPS assisted landing system, sometimes twice a day. It took them several months to discover the trucker in question.

Potentially far worse though, it’s also possible to spoof a GPS system, making it think it’s somewhere it isn’t. It’s also theoretically possibly to spoof the atomic clock timings that Stockbrokers and ATMs depend upon. If you could manipulate the time-stamp on stock market buy & sell orders you could make millions. Professor Todd Humphreys at the University of Texas has done a lot of research into GPS spoofing.

GPS is one of the few systems that security researchers armed with USRP software radios have yet to turn their attention to. The USRP radio peripheral can be made to mimic almost any radio system. So far they’ve gone after Bluetooth, WiFi, Dect & GSM. This year they’ve started a project to build a fully functioning Tetra radio (albeit without the encryption the Police use). GPS is a next logical target for man-in-the-middle spoofing attacks using USRP & other custom transceivers.

The article goes on to mention the development of eLORAN, which is a ground based GPS type navigation system, which can use higher power transmitters to overcome some of GPS’s limitations. Also, as Atomic Clocks become cheaper, any appliance will be able to figure out where it is (relative to a known starting point) using just digital compasses, accelerometers & gyroscopes. In fact, some of these sensors are already in iPhone & Android smartphones.

Another possible way of knowing if your GPS is being spoofed is to cross-reference using a 2nd technology. This could be the WiFi router MAC address database that Google compiled while mapping our roads for Streetview – useful on smartphones that have GPS & WiFi built in. Or you could make a database of all the cellphone sites in the UK using a laptop running OsmocomBB Cell_Log, a £10 Motorola C115 phone & a GPS receiver – accuracy is good to 100 metres, and any cellphone that can issue a RACH request can use the answers to locate itself from the Timing Advance value returned from multiple cell sites – this would be useful on a laptop only. I think Holland may have produced a similar map already.

Ettus Research, the maker of the USRP, announced on February 14th their own GPSDO add-on board ($750 each) for the USRP N200/N210. This will allow USRP radios at different sites to sync with each other accurately, just like the aforementioned cell towers do.

Written by admin in: GPS,Masts | Tags: , ,

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