Low Cost GPS Signal Level Meter Part 2; Assembly, Test, Case Design

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,Table), etc)

I defined the following requirements for such a Device :
1) Low Cost Solution (as possible) with TFT Color Display
2) Small and Light
3) Powered via Integrated LiPo Battery and external USB
4) Integrated automatic LiPo Charger
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 Second Part #2 of this Series shows the Installation, Testing and Overall Mechanical design and Casing.

Low Cost GPS Signal Level Meter Design #1; Concept,Schematic, Details:
U-blox NEO Series GPS GNSS Module Serial,I2C,SPI Universal Breakout Board:
RF Hardened GNSS Receiver with DB9 RS232 & USB for Power & Data:

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 and even Linux GPSD Daemon calls it S/Nr for simplicity !

The Design Files of the Meter (plus my Custom made u-Blox Receiver Module) will be available on Request, as is with no further Support possible assuming the necessary Experience to replicate the Design!

At the End of the Video my phone camera started Blocking and I didn't knew if the Blocking is in the saved stream too, but it wasn't.

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!!! Thank you to all my subscribers !!!

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#Signalmeter

[cncdavenz]

Thanks for the video. Nice use of the standard plastic box and the PCB front panel. Cheers Dave.

[stuartmarinus]

Thanks for this great and practical video. For those of us who'd like to play along at home or try and replicate this very practical device, would you consider making the code and schematic available? Thank you.

[ghlscitel]

Is it difficult to extend showing all visible satellites also from Glonass, Galileo, and Baidu?