![]() ![]() ![]() The transmit data is louder than the waterfall text data, so waterfall text is not a good way of setting levels. I connected directly into the Signalink’s “Speaker” input from the headphone output of my netbook running EasyPAL and played waterfall texts until my callsign appeared clearly in the waterfall display. Using alsamixer I was able to find that my Signalink USB adapter was card 1. The sound device is selected by card number. The Raspberry Pi has limited USB output current. I don’t know how much current the Signalink draws. I have a Signalink USB connected via a powered USB hub. This produced the separate receive and transmit applications and a waterfall window. The one that seems to work is startdrmtrx.sh. The build took quite a while, and left me with ARM binaries for the Raspberry Pi. I installed the following packages on the Pi: I then checked the code into Git so that I can keep track of any changes. I downloaded Version 3.1 and removed the Windows version and the pre-compiled binaries for X86. I thought I’d see if it would run on a Raspberry Pi. PA0MBO has a DRM transceiver for Linux, TRXAMADRM. A limitation with this so far is that EasyPAL is only available for Windows. RAYNET in my area use EasyPAL to transmit images and other data. ![]()
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