[TangerineSDR] Notes from PSWS / TangerineSDR call of 09-14-2020

[Tom McDermott]

Notes from PSWS / TangerineSDR call of 09-14-2020

1. Welcome to Cole Robbins - Univ. of Alabama student working on the
central control system / webserver / database with Bill AB4EJ.

2. Scotty says Intel duplicated his FPGA tool problem on Windows, Linux is
apparently OK. The FPGA compiler package is free, he recommends that the
project should use Quartus II, version 20.1 for both Windows and Linux.

3. Plan is to use Gnuradio to do characterization of the receiver module
and design plus post-capture tools. Options are:
   A. Use HPSDR-Protocol-1 to the current HPSDR Gnuradio OOT module.
   B. Use new TangerineSDR protocol and Local Host.  For module design
characterization would substitute a powerful Linux box for the Local
Odroid/Raspberry-Pi to allow analysis tools to be used.

4. Discussion about Juha's gnuradio flowgraph for chirp ionosonde. The
top_block appears to be code not auto-generated by gnuradio companion, so
it's not possible to automatically go backwards to a graphical flowgraph.
Discussion on how the gnuradio scheduler is asynchronous to the Python code
which makes the C++ work function calls not related to specific Python
instructions. This can be confusing to folks not familiar with threaded
code.

-- Tom, N5EG
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