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

Dr. Nathaniel A. Frissell Ph.D. nathaniel.frissell at scranton.edu
Tue Jun 29 12:53:11 EDT 2021

Thank you, Tom.

The recording is now uploading and will be available later today at https://youtu.be/MAljT6qNvh0 and hamsci.org/telecons.

73 Nathaniel W2NAF

From: TangerineSDR <tangerinesdr-bounces at lists.tapr.org> On Behalf Of Tom McDermott via TangerineSDR
Sent: Monday, June 28, 2021 10:13 PM
To: TAPR TangerineSDR Modular Software Defined Radio <tangerinesdr at lists.tapr.org>
Cc: Tom McDermott <tom.n5eg at gmail.com>
Subject: [TangerineSDR] Notes from PSWS / TangerineSDR call of 06-28-2021

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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