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transmission of data from a moving bus to a bus station

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sammy

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hi,
i'd really appreciate some help on my intended project,

what i really have in mind is to have a bus driver send information about its current travelling speed and distance from a bus station and possible time of arrival at that bus station.
i have an idea about sending the data using variable frequency representing HIGH and LOW (as in digital signals),but i am at a loss as to where to start from.
any ideas will be deeply appreciated. :)
 
A google search on "telemetry" or "automotive telemetry" should give you some good info to go on.Careful though , a lot of longer distance systems use GSM(cell phone) networks, which are used in Europe and the US.I'm not sure of their use anywhere else.
 
thank you very much i really aoppreciate this,i almost can't believe i got a reply,i'm going to search for automotive telemetry rightaway.
thany you very much,i will like to get back to you on what i find may be we could discuss a little more on the subject.
there are GSM service providers available in my country and i'm wondering if they will have to be invovled.

yours, sammy
 
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