This front end is available from www.ip-solutions.jp
It works with iPRx software receiver in real time. It can also record signals for any other software receiver to work in post-processing mode.
Free academic version of iPRx is bundled with the following textbook from Cambridge University Press:
Digital Satellite Navigation and Geophysics by Ivan.G.Petrovski and T.Tsujii.
The front end can provide excellent signal quality. It was developed for ionospheric scintillation monitoring.
