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.I remove the suspicious volume control and disassemble it. It's not like any I have seen before and quite clever in it's construction. But it's broken and must be replaced with a new one.Turbojet testing on large cycle. This video shows how system parameters respond to transient fuel pressure input. Top left is the propane fuel pressure gauge, top right is boost pressure, bottom left is a pitot-tube manometer, bottom right is the combustion temperature. Only the ramp up is included, we could not sync the ramp down very well. |
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