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What Is telemetry? I understand that telemetry is used for measuring, transmitting and receiving. I have two questions:

  • Is my assumption correct or not.
  • Where is telemetry used and what is its main functionality?

Is telemetry used for only measuring or for the transmission of data from one place to another?
I mean that the telelmetry is used where there is no proper communication or remote places or where the communication system was destroyed due to natural disaster?

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  • \$\begingroup\$ Typically a one way stream of data from a system that will be analyzed by another system after the fact. \$\endgroup\$
    – kenny
    Nov 23, 2011 at 10:50
  • \$\begingroup\$ @kenny- Can you check my question which I edited now and thanks for your comments \$\endgroup\$
    – Gouse Shaik
    Nov 23, 2011 at 11:47
  • \$\begingroup\$ "The media" don't use telemetry as journalists aren't remote sensors. "The media" tend to use satellite phones and video links. \$\endgroup\$
    – Majenko
    Nov 23, 2011 at 12:04
  • \$\begingroup\$ This strikes me as the kind of thing that should be answered oneself with a little online or even library reading. There's little point in having people duplicate such resources on a question and answer site. \$\endgroup\$
    – Chris Stratton
    Nov 23, 2011 at 15:10

1 Answer 1

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Telemetry is the obtaining of data and information (e.g., from sensors) from a remote location and the transmission of that data to a local system which can process and/or disseminate it.

From Wikipedia:

Telemetry is a technology that allows measurements to be made at a distance, usually via radio wave transmission and reception of the information. The word is derived from Greek roots: tele = remote, and metron = measure. Systems that need external instructions and data to operate require the counterpart of telemetry, telecommand.

While Wikipedia cites radio waves, telemetry also encompasses the data from any system which uses remote sensors however they are communicated with - e.g., through the internet, or other wired or abstracted media.

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  • \$\begingroup\$ @Majenko- Its great you answered to my question but I want some clarification so please check the question which I just edited. \$\endgroup\$
    – Gouse Shaik
    Nov 23, 2011 at 11:44
  • \$\begingroup\$ @Gouse - I think this answer covers both sections of your question quite well. \$\endgroup\$
    – Rory Alsop
    Nov 23, 2011 at 12:28
  • \$\begingroup\$ @RoryAlsop-Sorry I didn't get you. What both sections your talking about? Can you elaborate. \$\endgroup\$
    – Gouse Shaik
    Nov 23, 2011 at 12:33
  • \$\begingroup\$ Telemetry is telemetry whatever the medium it is transferred over - be that over telephone wires, FM transmissions, satellite communications, whatever. It is still telemetry and it is still the same. \$\endgroup\$
    – Majenko
    Nov 23, 2011 at 12:59

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