WebSDR receiver
This website provides access to a WebSDR receiver (Software Defined Radio) that is freely available via the internet. The receiver allows radio enthusiasts to listen to amateur radio signals in real time without owning their own radio equipment or antenna. The WebSDR is available at: http://www.sdr-de3tms.de:8073 Operation is receive-only (RX). All users are welcome to explore the...
Distributed Computing – Receiving and Analyzing Radio Signals
What is it? Distributed computing is a method in which many computers across the world collaborate to process complex tasks. In the field of radio signal reception and shortwave listening, this opens exciting possibilities: signals can be received automatically, analyzed, and shared within the community. Why does it matter? Amateur radio operators and SWLs receive countless transmissions...
Remote Radio in Amateur Radio
With remote radio, amateur radio operators can control their stations from a distance – whether from the living room, a vacation spot, or even a smartphone. Thanks to modern technologies like Web-SDR, VPN connections, Raspberry Pi systems, and remote control software, staying active on the air has never been easier. Whether you face antenna restrictions, housing limitations, or just...
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Thursday, December 18, 2025
Merry Christmas
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Wednesday, June 25, 2025
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Vox Recorder is a Windows utility that allows you to record audio sources only when an audio signal is present. Its main purpose is to avoid recording any silence that may be present at the input.
Vox Recorder was developed specifically for radio scanner enthusiasts. If you're one of them, you already know how time-consuming it is to listen to a new frequency: traffic on the new...
This program descrambles band inverted encrypted transmissions, usually found on VHF/UHF. It uses a NCO (numerical controlled oscillator) to re-produce the originally inverted audio band. Use it only if legally permitted in your country. I assume no responsibilities deriving from its use. Standard disclaimer applies
PTT control via RS-232 serial port RTS/DTR control lines
Some radio transceiver models and CAT interfaces require special configuration for controlling PTT switch to enable RF transmission. In many cases, the RS-232 serial port RTS/DTR control lines control both the PTT switch and CW keying. The RTS control line usually controls PTT and the DTR control line controls CW keying, but it is...
LK0NOD – Dein Packet-Radio-Knotenpunkt auf dem 11-Meter-Band
LK0NOD ist ein modernes Packet-Radio-System im...
As an established photovoltaic specialist company, "SolarX" in Berlin and Brandenburg, we support private...
elotronics is an online shop and wholesaler of electronic components for industry, electrical installation and...
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