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projekte:sdr_rx [2025/03/13 11:11] – [You may already have noticed that...] Gian Piero de Mediciprojekte:sdr_rx [2025/03/13 11:12] (aktuell) – [Some additional Resources:] Gian Piero de Medici
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-===== About the Antenna ===== 
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-Since 2024 a "Mini Whip Active Antenna". 
-Planned to be replaced with an Eggbeater antenna in 2025, which has a lower noise floor compared to the Mini Whip, it is located on the side of the building, it's best exposition is along the North South axis. 
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-The Eggbeater Satellite Antenna has a Ground Plane and is resonant on 70 cm. 
-We have tested it and has proven itself to be a great omnidirectional base station antenna receiving antenna for all Amateur Radio, Broadcast bands and many services.  
-The ground plane elements under the Eggbeater increases the overall upward gain of the antenna, useful for hearing Satellites and the International Space Station. 
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-===== About the Diplexer ===== 
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-DIAMOND MX-62M Diplexer for the ranges between 1.6 MHz and 56 MHz, and between 76MHz and 470 MHz. 
-Allows to connect one antenna to two receivers. 
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-The diplexer limits the optimal ranges of the SDRs to an overall smaller bandwidth,  
-this limitation can be overcome by bypassing the diplexer for the required time, at the cost of using one SDR at a time. 
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-===== About the KiWi SDR SW HF Receiver ===== 
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-It comes with a GPS Antenna for precise timing. 
-The KiwiSDR is a software-defined radio that attaches to a Seeed BeagleBone Green (BBG) embedded computer. 
-It is a standalone device that allows access through LAN and optionally through the Internet. 
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-===== About the OpenWebRX SW running on Raspberry Pi ===== 
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-OpenWebRX is a multi-user SDR receiver that can be operated from any web browser without the need for any additional client software.  
-Requires a computer, an SDR device and network access.  
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-OpenWebRX is designed for public shared access. 
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-OpenWebRX 
-https://www.openwebrx.de/ 
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-Images from  
-https://www.openwebrx.de/download/rpi.php 
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-===== Some additional Resources: ===== 
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-OpenWebRX: A Multi-User RTL-SDR Receiver with Web Interface 
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-https://www.rtl-sdr.com/openwebrx-an-multi-user-rtl-sdr-receiver-with-web-interface/ 
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-https://www.openwebrx.de/about.php 
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-A list of currently active WebSDR servers is on 
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-http://www.websdr.org/ 
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projekte/sdr_rx.1741864292.txt.gz · Zuletzt geändert: 2025/03/13 11:11 von Gian Piero de Medici