[TangerineSDR] Notes from PSWS / TangerineSDR call of 06-22-2020

Dr. Nathaniel A. Frissell Ph.D. nathaniel.frissell at scranton.edu
Mon Jun 22 22:34:53 EDT 2020

And here is the recording:


73 de Nathaniel W2NAF

On Jun 22, 2020, at 10:20 PM, Tom McDermott via TangerineSDR <tangerinesdr at lists.tapr.org<mailto:tangerinesdr at lists.tapr.org>> wrote:

Notes from PSWS / TangerineSDR call of 06-22-2020

1. Bill has FFTW working on the Odroid and processing large FFTs from his simulated radio code.

2. Scotty is still working to get libraries for the FPGA that meets the speed grades and memory interfaces needed for the Data Engine module.

3. Tom reduced the gain of his modified crossed-loop preamp and is getting better intermod performance. Currently listening to 350-400 kHz airport beacons with Hermes receiver. Achieved better than -30 dB front-to-side on a local AM broadcast station, but the notch is very narrow, it takes careful pointing to achieve a deep null.

4. Tom discussed the protection clamp diode planned for the TangerineSDR receiver. It's a Protek Devices GBLC03C. Link in the chat page of the zoom session.

5. Dan mentioned the recent release of hamlib for Raspberry PI. It is one version old on Raspbian OS, but current on versions of the ham packages.

-- Tom, N5EG

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