You can keep the rest of the settings as the default. In Audio->Devices, make sure you select the physical device if you’re using a transceiver, otherwise select PulseAudio. When you first open up Fldigi, it’ll ask you for our operator info. You can keep the rest of the settings the same. If you want to look at frequencies between 0 and 28MHz then add to the device string “direct_samp=3”.
Using fldigi download#
For Wiindows, download and run setup.exe. It is available for Windows, Mac OSX, and Linux. Getting Started First, download Fldigi for your PC. Select the profile partially labeled RTL2832U. Using Fldigi’s new FMT modem without a reference can still provide good results but requires careful calibration. I have the RTL2832U, so if you have the same tool… When you first open up Gqrx, it’ll ask you to configure the device. This connects both Gqrx and Fldigi if using RTL-SDRĪs you can see, if you are only using a transceiver then you can skip the parts mentioning Gqrx and Pavucontrol Process Gqrx.It acts as a modem and provides capability to transmit data using a transceiver.This is what decodes the protocol used to package the data.It acts as a AM/FM/CW/etc demodulator for the data sent by the equipment.This is if you are trying to work with RTL-SDR.Hardware wise, you will either need a RTL-SDR receiver or a transceiver radio with a cable plugging into the computer’s soundcard. This blog post is going to describe what steps I took to be able to decode signals using digital modes.
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