Communication Ports
For those who would like to open ports to communicate with the outside world, since version 5 of Remote SDR, all communications (audio, video, parameters) are done in https on…
Tone generators
On the transmit side, different tone generators are available to tune the transmitter or open relays. 800Hz Tone Selecting this generator disconnects the microphone and injects a 800Hz audio signal…
Setting of GPIO outputs
It is possible to set the GPIO outputs according to the reception or transmission frequency. This is applicable for configurations with one or two orange PIs. This makes it possible…
Band Scanning
It is possible to define one or more scanning zones of the reception band. The system automatically locks onto the correspondent and changes it every 10 seconds. With the mouse,…
Gains and Dynamics
RX and TX Gains Adjustment Depending on the SDR model, the gains are different and some of the sliders are not used. Experiment to find the optimum corresponding to your…
Frequencies Management
The video below presents the management of frequencies, drifts of the receiver and the transmitter. In the second part, we review the filling of the parameters of Remote SDR in…
Launch of Remote SDR
In the address bar of Chrome or Edge, enter the IP address of the Orange/Raspberry Pi or one of the 2 Orange Pi if you have a dual configuration. If…
CPU Cooling
With intense use, the CPU may heat up, especially if it is mounted without a heat sink. If 65 ° C is exceeded,one GPIO pin goes to 1 to control…
Web GUI
The whole of Remote SDR is piloted via 3 Web pages which must run on a recent browser like Chrome or Edge to benefit from all the last functionalities which…
Microphone and signal processing authorization
This authorization is no longer necessary from version 5 of Remote SDR. Web browsers do not provide access to the microphone if the site does not have secure access in…
Configurations
COMPACT CONFIGURATION with an ADALM-PLUTO – Rasperry Pi 4 – ETHERNET Remote SDR – Adalm-Pluto – Raspberry 4 AvantagesDisadvantages - Well-known RPI4 - Wifi or Ethernet- 12 bits of Pluto…
Characteristics
Characteristics Simplest hardware configuration Receiver SDR in reception:RTL-SDR (example: NESDR SMArt from Nooelec) or,HackRF One or,Adalm-PlutoRSP1, RSP1AMSI SDRFrequency: 1 MHz to 6 GHz (depending on the chosen SDR)Spectral band processed:…
Introduction to Remote SDR
Web based Transceiver "Remote SDR" or "SDR Distant" is a web application allowing to remotely control an amateur radio transceiver between 1 MHz and 6 GHZ. Its first application was…
Remote SDR – Audio Channels
RX Audio Remote SDR has an audio channel for reception. The demodulation in AM, NBFM, WBFM, BLU or BLS is carried out by the signal processing installed on the Raspberry-Pi…
AudioWorklet – Web Audio Api
The "Web Audio API" provides a powerful and flexible system for controlling audio data on a web page. It makes it possible in particular to select audio sources (microphone, media…
CW with Remote SDR
From version 4.1 of Remote SDR, it is possible to work in transmission and reception in CW. Two modes are available CW-LSB and CW-USB. CW Keyer The keyer or paddles…
Rotary Knob and Morse Manipulator for Remote SDR
Remote Keys Remote SDR, application for controlling a transceiver from a web browser, can now (version> = 4.1) connect via USB to: a frequency controller by rotary buttona Morse code…
VHF and UHF NBFM Transceiver
RTL-SDR is a low-cost receiver solution, covering VHF / UHF and using SDR (software radio) technology. SA818 is also a low-cost NBFM transceiver solution in VHF and UHF. Why not…
Remote SDR v4
Web based Transceiver "Remote SDR" or "SDR Distant" is a web application allowing to remotely control an amateur radio transceiver between 1 MHz and 6 GHZ. Its first application was…
FT-991 – Omni-Rig – WSJT-X – SwissLog – VSPE
Below is a setup aid to inter-connect an FT-991 with WSJT-X through the standard Omni-Rig CAT interface and sending QSOs to Swisslog. FT-991 The procedure is the same for an…
Web Serial Api – Arduino
The Serial Web API provides a way for websites to read and write to serial devices. These devices can be connected through a serial port, or be USB or Bluetooth…
Gpredict — Remote SDR
Gpredict is open source satellite tracking and orbit prediction software. It calculates in real time the antenna pointing data (azimuth, elevation) in relation to its position as well as the…
Remote SDR V4 – Raspberry Pi 4B or Orange Pi Zero 2 image installation
Raspberry 4 Remote SDR source code and images available on Github Orange Pi Zero 2 Here is the detailed procedure to install Remote SDR version 4 on a Raspberry Pi…
Remote SDR v4 – Manual Installation
Raspberry Pi 4 B Below is the detailed procedure to install Remote SDR version 4 on a Raspberry Pi 4 B (2GB) or an Orange Pi Zero 2. It is…
SA818 – RTL-SDR
VHF or UHF NBFM Transceiver RTL-SDR is a low cost receiver solution, covering VHF / UHF and using SDR (software defined radio) technology. SA818 is also a low cost NBFM…
Orange Pi Zero 2 setup – Armbian Bullseye
Orange Pi Zero 2 The Orange PI Zero 2 is a powerful development board offering many possibilities with its 64-bit 4-core processor (H616), 1GB, ethernet, WIFI, Bluetooth, HDMI, USB for…
Remote SDR v2 – Raspberry 4B image installation
Raspberry 4 Obsolete. Go here Remote SDR version 2.5 available on Github Here is the detailed procedure to install Remote SDR version 2 on a Raspberry Pi 4B with at…
Remote SDR – Examples of realization
Many OM around the world have embarked on the realization of Remote SDR. Below are some examples. Listening EME by BG0DXC / BG0AUB Listening on 23cm. The low bandwidth required…