Rfspace sdr-iq software defined radio

It offers a broad range of spectrum analyzer and demodulation capabilities. Pingback: SWLing. Shortwave Radio Index. A comprehensive resource database of all shortwave radios currently in production. The sdr-iq seems to work as well as my flex as a receiver, and with the sdr-radio software, has even more features then the flex psdr software, a good sync detector, ecss detector, the ability to select the sideband in the ecss detector mode, a noise blanker that really works and other nice features.

As I type this, I am listening to 80 meters with the receiver, on the same laptop, in the den, and it sounds great. All the free software installed on my computers without any problems and does not seem to use much processor power.

The radio stays the same good and the software seems to get better and better, for free! I did a switch between the homebrew single conversion tube receiver and the icom pro 3, and sdr-iq.

I was operating on 80 meters AM, and made a recording using all 3 receivers, then played back over the air. The sdr-iq sounded very nice indeed, the adjustable filters help bring out the high end. I also tuned in ssb signals and cw signals, and everything sounded very good. The homebrew receiver might have a slight edge in noise and fidelity, but that is what it was designed for.

I think, as a receiver, the sdr-iq is very good. Its hard to fine tune ssb, but otherwise its very god in my book. I use them all day, and software is a mess. But this radio works very well indeed, I just spent 4 hours checking out everything from just above hz to 30 MHz, the CB band comes in real well!

Weak signals show up on the display before you can actualy copy them except CW which you can hear if you can see it. The filters work very well, the noise blanker seems to make things worse.

I had no problem getting the IQ working on my laptop and desk top, both are low end units by todays standards. As others have pointed out, there is no book or manual, no info on what things do.

But its easy to figure out how to use by poking buttons once you turn it on. Tuning is somewhat odd, you get a maximum of KHz on the display, you can click the demod button and if you point the mouse to a signal and click on it, that is what you hear, but you have to fine tune it another way on cw and ssb, by selecting the frequency numbers and using the up and down keyboard arrows.

If you click the demod freq button again, it changes to center frequency, then, if you click on a signal, that becomes the center frequency of the display You can click on any number on the freq display and up and down arrow. Unlike a real radio, there are no band buttons, its sort of like an old Ra, turn the MHz knob from to 10 meters Still, if you center the display in a band of interest, you can just click on any signal with the mouse and listen to it.

The receiver seems to work as well as any other receiver I have had, with maybe a bit more background noise. Fidelity seems good, but sound card limited maybe, most computer stuff is not HiFi My Sony laptop does not have enough volume, even in the headphones. There are other programs out there I would like to try, the persius software looks real nice but wont work unless it detects a persius radio.

Spectravue works at least. I would like to see a drag and drop filter adjustment, you have to click on a box and open it up, use up and down arrows to adjust the filter, then close the box the way it is now. Gain adjustments are the same way. I did not have any overload problems using a G5RV antenna with no tuner up about 40 feet. I did hear all sorts of VLF stations, , 80, 40 and 20 meters had a lot of signals on them, lots of CBers heard, short wave broadcast was good, as was the AM broadcast band.

It was very interesting watching the CB band, see something on the waterfall display and click on it and listen, hop all over the band, as most CB transmissions are short, see the ones with signals 10 channels wide! This is going to be great for when 10 meters is open. Its quite amazing otherwise, its very small, needs no power, just an antenna connection.

Maybe the software will improve over time Brett N2DTS. Having very little front end filtering, and insufficient dynamic range, the SDR-IQ overloads easily on strong signals.

I found that I had to add an external pre-selector and preamp to get adequate performance. One of the most exciting features of the SDR is the ability to record band segments of any band to hard drive in real time.

The stored file contains everything that happened in that segment of the band for the duration of the recording. The fidelity of the file is superb with over 96dB of dynamic range. The recording can be played back at any time with full tunability and choice of demodulation modes. Amateur radio Antenna tuners aerial tuner. Amateur radio Ham Radio Accessories. Antenna Rotator and accessories. Click the image to enlarge. Out of Stock. Send Your Request.

Finance Available Radioworld now offer finance through our partners Close Brothers. View details. The Cloud-IQ offers two modes of operation.