Frequently Asked Questions¶

Why am I getting driver errors / my data doesn't look right?¶

The first thing to check is to make sure that the AirStack drivers are properly installed. If the firmware version does not match the driver version, you will experience technical issues. To check the installed driver versions, follow the procedure in How do I determine my AirStack Version?.

• Please see the procedure here to install firmware.
• Please see the procedure here to update / install the OS.

How do I determine my AirStack Version?¶

To determine which version of AirStack you are running: 1. Login to your AIR-T 2. Press ctrl-alt-T to open a terminal 3. Type SoapySDRUtil --find

The output should display the installed drivers for all of the software subsystems:

$ SoapySDRUtil --find

######################################################
## Soapy SDR -- the SDR abstraction library
######################################################

linux; GNU C++ version 7.3.0; Boost_106501; UHD_003.010.003.000-0-unknown

Found device 0
  driver = SoapyAIRT
  driver_version = 0.4.2-1
  firmware_version = 0.4.2
  fpga_driver_version = 0.4.2-1
  hardware = AIR7201
  rf_api_version = 0.4.2-1
  url = https://www.deepwavedigital.com
  vendor = Deepwave Digital, Inc.

What versions of GNU Radio are supported?¶

For versions of AirStack up to 0.4.2, GNU Radio installation was supported through apt-get, which limited the version to 3.7. For users that need to run GNU Radio 3.7, Deepwave recommends using AirStack 0.4.2.

Beginning with AirStack 0.5.0, GNU Radio is supported for version 3.9.1+. There are a few reasons that early versions of GNU Radio are not supported:

1. GNU Radio is moving to using conda environments for installation. GNU Radio began creating conda installers with GNU Radio version 3.8.0.0.
2. Additionally, an ARM version of GNU Radio version 3.8 is not available via conda. Deepwave contributed to the GNU Radio project to incorporate the ability to have conda installers for ARM starting with GNU Radio 3.9.1.0, and it should be supported going forward.