My Genesis G40 after build phase 3 (rx only), connected to 2 x 21 m doublet antenna. Testing the receiver in 2009 WPX CW. A simple built-in soundcard is used.This video presents the Peaberry SDR kit working with MacBook Pro and DSP Radio Software. In first analysis it does not seem to make much sense to use a magnetic loop antenna with SDR because it has a high "Q". In other words, its bandwidth is very narrow, opposing some of the best characteristics of the SDR that is able to monitor a wide spectrum of frequencies in receiving mode. But in my case, the magnetic loop antenna has been a good option for SDR operation indoors.
References: Peaberry website: Softrock USB Controller - You can download it from softrock40 Yahoo Group DSP Radio - Softrock SDR kit -
Watch more videos about this subject: Softrock SDR and Loop Antenna Controlled by Arduino - Wind and Install T1 (Softrock Ensemble VHF RX II) - Wind T2 (Softrock Ensemble VHF RX II) - Peaberry SDR Kit working with Windows 7 and HDSDR -
73, PU2CLR. Ricardo. Brasilia Brazil.Built SDR Transceiver G40 (Genesis) under the test. For details see The Winradio Excalibur G31DDC SDR is a truly revolutionary receiver. Taking the Software Defined Radio paradigm and bringing it to the public, it brings 2Mhz of DDC spectrum at an affordable price of ~$1100AUD inc GST. It was awarded the WRTH 2011 Best SDR award, and I can see why. It's extremely sensitive, has great dynamic range and you can see and click around, adjust filter widths and record the spectrum just with a few clicks. It eats a lot of CPU and a lot of disk space, but it's totally worth it. Compared to a conventional receiver like the Icom IC-R75 (which I also own), this one just blows the pants off it. This video is intended as a quick run through of some of the interface features, and to demonstrate some of the power of the SDR and why it's my favourite receiver. There will be other videos to come that show what sort of utility stations can be heard on Shortwave/HF. |
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