2m Amateur Ham Band with RTLSDR and SDR#

2m Amateur Ham Band with RTLSDR and SDR#The 2m ham band with the ezcap RTLSDR stick and SDR# ( SDRSharp ). First few minutes are a repeater, next some APRS digital, and then a beacon from K2DLL in Upstate, NY. Source

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SDR# With RTL-SDR Support

“SDR# (read SDR Sharp) is a simple, intuitive, small and fast PC-based DSP application for Software Defined Radio. It’s written in C# with both object design correctness and performance in mind. The main purpose is to offer a simple proof of concept application to get hands into DSP techniques. It supports SoftRock, FiFiSDR, FUNcube Dongle, SDR-4 [,rtl-sdr] and any sound card based SDR front end.” — SDRSharp.com

 

SDR# (SDR-Sharp) versions 244+ (dev) have added support for RTL based SDRs supported by ExtIO. Extract the download link to the same folder you installed ExtIO to. If you haven’t done that yet, try this guide.

Download Link

To use the software with an RTLSDR dongle, Select USRP under the ‘Front End’ drop down box beside the Front End button. Then use the now active ‘Front End’ button to show the ExtIO GUI. Don’t forget to add your device hint!

Decoding Oregon Scientific wireless sensor data with RTL-SDR and GNU Radio

Kevin Mehall has posted some python source code that is capable of accessing rtlsdr / GNU Radio samples directly.

“This script decodes the packets that Oregon Scientific remote thermometers (like the one pictured [above]) send to the display unit. It also serves as example code for accessing rtl-sdr / GNU Radio samples live from Python.

Each sensor transmits every 30 seconds on 433.9MHz. The packet is repeated twice. Modulation is On-off keying, and the 32 data bits are manchester encoded. “kevinmehall

Link

 

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