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 configuration. The dynamics of...
F1ATB Blog
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 the “Settings” page. Frequency...
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 the system asks you,...
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 the power on of...
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 they have. Indeed, browsers...
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 https. It is the...
Configurations
COMPACT CONFIGURATION with an ADALM-PLUTO – Rasperry Pi 4 – ETHERNET Avantages Disadvantages – Well-known RPI4 – Wifi or Ethernet– 12 bits of Pluto dynamic – poor stability in frequency of the Adalm-Pluto May...
Characteristics
Characteristics Receiver SDR in reception: RTL-SDR (example: NESDR SMArt from Nooelec) or, HackRF One or, Adalm-Pluto RSP1, RSP1A MSI SDR Frequency: 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 the duplex control of...
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 or the Orange-Pi. The...
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 stream), to process them...
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 are plugged into the...
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 button a Morse code manipulator interface a...
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 combine the 2 to...
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 the duplex control of...
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 FT-991 or an FT-991A....
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 devices that emulate a...
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 impact of Doppler on...
Remote SDR V4 – Raspberry Pi 4B or Orange Pi Zero 2 image installation
Remote SDR source code and images available on Github Here is the detailed procedure to install Remote SDR version 4 on a Raspberry Pi 4B with at least 2 GB of memory or an...
Remote SDR v4 – Manual Installation
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 adaptable for other ‘Single Board Computer’ cards if...
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 transceiver solution. Why not...
Orange Pi Zero 2 setup – Armbian Bullseye
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 around € 40. Take a look at aliexpress.com....
Remote SDR v2 – Raspberry 4B image installation
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 least 2 GB of memory. The...
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 to transport signals over...
Remote GPSDO – Hardware
GPSDO = GPS Disciplined Oscillator This acronym denotes a quartz oscillator whose frequency is measured using a very precise clock based on GPS signals and which generates one or more clocks at the output...
DIY your GPS tracker
It is easy today to build a GPS tracking system for mobile applications that can be adapted to your needs. In fact, it is more accurate to speak of a GNSS (Global Navigation Satellite...
Transmit over QO-100 satellite with a Smartphone
With version 2.1 of “Remote SDR”, it is possible to use your smartphone to monitor traffic on QO-100 and even transmit. The principle of “Remote SDR” is to control a transceiver using a simple...
Remote SDR V2 – Software Architecture
Remote SDR V2 is a hardware and software set to create a radio transmitter / receiver based on SDR (Software Design Radio) that can be remotely controlled by the web. For an introduction to...
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