[TangerineSDR] Rev 9-16 of the DCC discussion topics.

Tom McDermott tom.n5eg at gmail.com
Mon Sep 16 12:34:23 EDT 2019


Updated list of DCC discussion topics based on comments.

*HAMSCI project discussion Topics for DCC 2019*
                            Rev 9-16-2019

1.    Need cost estimates for the Clock, DE, RF, and Magnetometer modules.
2.    What is the schedule for the modules, testing, prototypes?
      a.    Data Engine
      b.    2-chan RF receiver
      c.    GPS Clock
      d.    Magnetometer
      e.    Other ? SBC, Power supply, etc.
3.    Each module will have a unique manufacturer serial number based on
some PROMs that have this capability. Any issues with the number or format?
4.    Do we need to create any videos describing what the project is, what
the objectives are, status, or other?
5.    Only a little discussion so far on power supplies. General agreement
on +11 to +15 VDC source. We need to come up with the general supply
distribution scheme before board design and layout commences.
      a.    Have the DE or Interconnect board condition all power.
      b.    Have each module condition any critical power it needs.
                 i.    Voltages feeding critical analog circuitry (Clock
Module, RF Module).
      c.    Have an external power conditioning module.
6.    HAMSCI 2020
      a.    Any more information on the location?
      b.    Should we plan a demo of TangerineSDR or the completed parts?
7.    Receive Antennas. Mike Pappas has acquired a calibrated filed
strength meter, we discussed seeing if DX Engineering would let us measure a
production lot of antennas (10?) to determine the field strength
sensitivity and variance.
8.    Do we need a test plan for the system?
9.    Upload data compression appears feasible (3:1 ?).  Do we need any
study or proposals of how much data we are asking folks to upload? Or is
this better to determine experimentally?
10. Discuss and review the Local Host Functional Specification.
11. Discuss and review the Central Control Functional Specification.

-- Tom, N5EG
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