[TangerineSDR] Notes from PSWS / TangerineSDR call of 06-28-2021

[Tom McDermott]

Notes from PSWS / TangerineSDR call of 06-28-2021

1. Discussion on how to route cables to the magnetometer and VLF receivers:
aerial, ground, and buried. Anecdotally folks have had issues with all
three approaches. Jules recommends innerduct in conduit as the cable can
often be replaced without digging up the conduit. Direct burial cable (for
example flooded/gel filled cable) is also useful. If using conduit
suggestion to use a shopvac to suck one pull tape through first.

2. Discussed using the provisioning channel rather than the configuration
channel on the Data Engine to Local Host protocol for Memory Read and
Writes to module registers. This is fairly easy to change in the future if
needed. The current DEsim is using the provisioning channel.

3. Tom reported that the ADC sync is not needed as the ADC clock is running
at 1x. Testing of the synthesizer eval board similar to the chip proposed
for the clock module was achieving tight and repeatable phase control of
multiple receiver 122.88 MHz ADC clocks.

-- Tom, N5EG
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