F1ATB Blog

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...

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...

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...

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...

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...

Orange PI Zero 2 H616 GPIO

The Orange PI Zero 2 is one of the many Orange Pi boards offering interesting features: 64-bit ARM H616 4-core processor 1GB ethernet WIFI + BT 512MB or 1GB RAM USB 2 Micro HDMI...