Low Cost GPS Signal Level Meter Part 1; Concept, Schematic, Details, Overview

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This Video Series is about the Design of a GPS Relative Signal Level Meter, with additional GPS Data. I had (and have) often the necessity to check how good the GPS Reception at a specific area is, but I do not have the necessary High Cost specialized RF Equipment for it.

Of course it does NOT replace any Highly specialized / High-cost RF Equipment (it does NOT measure the RF Level Directly in -dBm and so cannot be used for GPS Level Survey) but rather shows a Relative Signal Level Display based on a Custom saved Reference Value that it is more than enough to check how good or bad the GPS reception is, the Number of seen & uses Satellites and other GPS Information's, all on a small Battery powered Device, without the need of further Device(PC,Laptop,Tablet, etc)

I defined the following requirements for such a Device :
1) Low Cost Solution (as possible) with TFT Color Display
2) Small, Light and easy to use
3) Powered via Integrated LiPo Battery and external USB
4) Integrated automatic LiPo Charger via USB, with 600mA Charge Current
5) Integrated u-Blox Receiver onboard USB Port to be accessible via External USB (PC Communication to u-Center)
6) Controlled via Single Rotary encoder.

The First Part #1 of this Series shows the Concept, Schematics and Overall Mechanical design considerations.
In the Second Part #2 I will show the Installation, encasing, Test and Debugging.

In the Video the Display Shows S/Nr (and I speak about S/Nr) which I use for Simplicity, the real Value Shown here is C/No in dB-Hz(Sum). Again its just a Relative Overall Value that represents nothing more than the momentarily Reception Quality ! This why the name is Irrelevant !

U-blox NEO Series GPS GNSS Module Serial,I2C,SPI Universal Breakout Board:
   • U-blox NEO Series GPS GNSS Module Ser...  
RF Hardened GNSS Receiver with DB9 RS232 & USB for Power & Data:
   • RF Hardened GNSS Receiver with DB9 RS...  
Design Details on my GPS Synchronized Stratum 1 NTP Server, as Requested from Viewers:
   • Design Details on my GPS Synchronized...  
GPS Synchronized NTP Server Design (Stratum 1) with an Orange-Pi and a dedicated RTC Chip:
   • GPS Synchronized NTP Server Design (S...  

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