The person behind the speedometer.

Abhishek

I am a student in Mumbai, India. I like electronic and computer systems and I like taking them apart to see how they actually work. That is most of the reason this site exists.

Why I built this

I was on a train and wanted to know how fast it was going. Every online speedometer I found showed me a number, but none of them would say how much to trust it: no accuracy figure, no way to tell whether the reading came from a real sensor or a rough guess. So I built one that does, and it has been growing from that train ride ever since.

How I test it

Everything on this site is tested by actually going somewhere with a phone in hand:

• Trains. Where it started. Long straight runs are the easiest case for GPS, and also where you learn that a phone by a window and a phone in the middle of the carriage do not read the same.
• Cars. Side by side with the dashboard speedometer, which is how the guide on why your car reads higher came about.

I have not tested it on a bicycle, a boat or a plane. The guides for those are based on how GPS works, not on my own trips, and they say so.

What I am not

Not a company, not a startup, and not a GPS engineer. The site is written and maintained by me alone, in the time I have between studying. If something is wrong, tell me and I will fix it.

Elsewhere

• GitHub: ThatOneCheat
• Email: info@livespeedtracker.com