Category: Remote SDR

QO-100 Satellite Live

Since version 5 of Remote-SDR, it is possible to share its reception channel. You can connect to my transceiver to the QO-100 satellite. Of course, you won’t be able to transmit. If you are...

RTTY

Since version 4.5, Remote SDR offers the possibility of receiving and transmitting messages in RTTY. Starting RTTY mode A click in the “Digital” selection box opens a window dedicated to RTTY mode. Then click...

Troubleshooting

Raspberry / Orange Pi not starting Issue After burning an image to an SD card, the processor does not start. Solution 1 Very often, it is a weak 5v supply that is the source...

QO-100 Transceiver

Web based transceiver developped by F1ATB Below is the connection diagram of the various modules making up the transceiver allowing links to QO-100 with the “Remote SDR” application. I have been using this system...

SSTV

Remote SDR makes it possible to do SSTV broadcasts by interfacing with software adapted to this mode of transmission. Here we will focus on MMSSTV and YONIQ. VB Audio Virtual Cable To interface the...

WSJT-X – FT8

Remote SDR can be interfaced with digital processing software like WSJT-X to make FT8 transmissions for example. WSJT-X not only processes transmit and receive audio signals, but can control Remote-SDR frequency and transmit on/off....

Omnirig – Remote SDR

Omnirig is an interfacing application to control different transceivers by a third party application like (YONIQ-SSTV, WSJT-X…) . It controls, for example, the transition to transmission or the reception frequency. Architecture Many amateur radio...

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 to its maximum. This...

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, it is possible to...

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...

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...

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...

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...