Could you use the internal tuner inside the IC or should you use an external tuner We saw an explosion of GMRS growth and activity in early , and that growth continues Diamond V Robert, W4RKM, has watched many videos on the funtions and capabilities of a rig, but he wants to know the differences and applications for the variou X is an ultra-portable shortwave transceiver. It adopts Posted date: April 10, in: Equipment. The only five things you need for portable operation January 13, No comments.
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Alternatively, you will need to create your account. The registration process is fast and simple. My qs1r works a bit better, but the software does not seem to be stable or ham friendly. PowerSDR is quite good, but the radios are expensive. The major difference I can tell between the sdr-iq and the qs1r and the flex is a slight bit more background noise on the sdr-iq.
My sdr-iq does not overload on my 80 and 40 meter dipoles, while the qs1r needs a preamp on the higher bands, the sdr-iq has one built in.
Like Powersdr, sdr-console has all the buttons on the screen, band and filter buttons, display options, you can add buttons to the screen or hide them. It remembers where you were on each band, even after you restart, something the sdrmax program on the qs1r does not.
There are a lot of things that bug me about the sdrmaxV program, plus the frequency is off and is not stable, while the sdr-iq is spot on, always has been, and I never needed to correct it. I think sdr sdr sharp also runs on the sdr-iq, so that is FOUR programs you get to choose from, you are not stuck with a program with bugs or one you do not like. So, all things being considered, I like the sdr-iq as a receiver and band scope for ham operation, because its runs with various sdr programs.
And revisions in the programs have reduced the background noise level. HDSDR has some very good fidelity. It would be nice if they made an sdr-iq with a 16 bit converter for more dynamic range and less noise, but I do not have a problem as it is. Been using the sdr-iq as a standalong receiver with the homebrew AM transmitters after building a small box with micro relays in it to mute the audio out from the computer and short the antenna to ground. Works great! I get to see my signal going out, and could even record it for later playback.
With the HDSDR and sdr-radio programs, there is much to like, the displays are fantastic, the audio is fantastic, the KHz display is fantastic, it really blows away the flex on receive. I keep switching between hdsdr, sdr-radio and the flex, and sdr-radio is the BEST, but hdsdr has a really great display and some nice options.
I am no longer fond of the psdr software and the flex , never use it, and might sell it off. The only reason to keep it is for a backup rig since it does have a transmitter in it. The sdr-iq is a very good value, its really 3 great radios and a nice piece of test gear, great for a remote receiver over the web, great as a recorder, not audio, but up to KHz of rf bandwidth can be recorded.
Its little, rugged, powered by the USB port, what more can you ask for?! Software will only get better I suppose, but its hard to think of any way to improve it. Running the radio localy with a big monitor is stunning, the over the web use is a bit compressed, so if you try that, keep in mind a local sdr-iq is even much better looking when local. Also, the sdr-iq likes a good antenna, many of the receivers on the web seem to have very poor antenna's.
On my dipoles, I get very low noise and great performance. At my noisy work location, with a 50 foot low long wire antenna, it works but is still subject to the poor antenna. I also found out the power supply for the work laptop was generating HUGE amounts of noise. For what I do, the sdr-iq and the new software is the BEST receiver I have ever had, better then a flex , better then anything out there at any price.
That software is VERY good, much nicer then spectravue, which makes a good spectrum analyzer out of the sdr-iq. The sdr radio software has very good audio, all the right buttons, and makes spotting signals easy.
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
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