There are a surprising number of uses for Raspberry Pi in Amateur Radio.
Here is a curation of nine cool projects you can do with this 25 USD credit-card sized computer.
This simple hack turns your Raspberry Pi into a powerful FM transmitter
Get started with SDR using a Raspberry Pi and inexpensive RTL-SDR tuner.
Setting up a Raspberry Pi as Remote Server for RTL2832u SDR
Raspberry Pi WebSDR Receiver Project running SoftRock Lite ii Receiver (40m) and Raspberry Pi Model B
How to build a simple WSPR beacon using the Raspberry Pi for the transmitter
Portable SSTV camera that takes a picture and transmit it with ham radio SSTV
Setting up a Raspberry Pi as a SDR Server with RTL-2832U USB dongle
You may be interested in additional Amateur Radio Raspberry Pi projects, or if you are new to Raspberry Pi you can read more on this low cost computer.