SDR Touch for Android Works great on my Note5 and Note3. ... I bought the Key. It's worth 9.99 to see the spectrum. ... For the people saying that the dongle drains the phone battery: on Amazon search on Y-OTG. This allows external power for the dongle. It does not charge the phone though. The $5 y-otg sold by Amazon is good. The $2 y-otg from China did *not* work. The China one has a square base and no strain relief. ... UPDATE 7-9-16: Works on my old Note1. I tested RX on strong FM broadcast, and NOAA weather on 162.55.
Nice app It would be very nice though if I could enter the offset of my oscillator frequency to receive HF frequencies while having the correct readout. Right now I must do the math in my head on the fly when I enable the oscillator to mix in. Not everyone uses these dongles at 25Mhz on up. I like mine to be used way down there at 10Khz.
NO DONGLE AVAILABLE Where can I get a dongle? I searched the internet and can not locate one. What do you suggest. One company I called told me this is "old technology" that no one uses. They claim radio is available on all phones, which we know is blocked by most cellular providers. l GOOGLED THE DONGLE NUMBER YOU SUGGESTED AND CANNOT FIND IT. I DO NOT USE AMAZON.
Brilliant! Incredibly useful. The Spectrum function when used with a noise source and a directional coupler makes a superb tool for analysing and adjusting filters and antennas. Easily used on a tablet or phone. Just sweep manually by touch until you have the response you want. Great for checking out junk box finds or setting up a new project. Superb low cost sdr for Android. Well worth the money.
This application is off to a good start but it does need some improvement. Better support for the SDRPlay RSP would be a good thing, but from what I've read that is coming. The swipe tuning is a great idea and works pretty well with mouseless Android devices. But tuning of Narrow FM, SSB and CW signals and others with narrow bandwidth is still quite awkward and its easy to pass over the frequency of interest. Zooming in the spectrum does help, but its still somewhat hit and miss. Some other color choices for the spectrum and waterfall would be a good improvement, as would the choice to have an unfilled or unpainted spectrum display. There is not enough contrast between the spectrum signal line and the background. Finally, since some are using this as a portable RF test system, a spectrum grid with two or more markers would be nice. All-in-all a nice piece of software, but presently more useful to the casual listener than to the serious operator.
Super, testing for wildlife radio tracking Works great AM FM etc on Samsung S4 with $20 NooElec dongle that included a small omnidir antenna and added a $5 Otg usb adapter with usb power input. Some static but expect that as it is a scanner not a lock in tuner. Easy to enter and reuse presets. Testing for wildlife radio tracking that currently requires much bigger and more expensive UTX. Anybody doing that with SDRTouch and Nooelec? Is there a small directional yagi that works with the NooElec?
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