[TangerineSDR] Notes from PSWS / TangerineSDR call of 04-19-2021

[Tom McDermott]

Notes from PSWS / TangerineSDR call of 04-19-2021

1. Scotty has ordered parts for the RF Module, Clock, and Data Engine. He's
been able to source most parts (the Data Engine Ethernet interface chip
seems to be difficult to find).

2. Discussion on FPGA upgrades. There are use cases for both attended and
unattended upgrades (re-flash of the FPGA). We may want a selectable
hardware or software lock to prevent an unattended FPGA upgrade for those
attended sites where folks don't want their FPGA code to change. The FPGA
image probably needs strong download and communication corruption
protection, such as SHA256 on the image.

-- Tom, N5EG
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