Cheap GPS unit with ~3 ft or better accuracy, used or otherwise.

Discussion in 'General GPS Discussion' started by Nate, Apr 20, 2017.

  1. Nate

    Nate

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    All,

    I'm wanting to mark out some points on my property based on lat/lon, and need a GPS unit I can carry around that will give me a ~3 ft or better accuracy under some tree cover (lot has a decent amount of trees.) I can carry my laptop or phone to run software that will do post-processing. Ideally something $300 or less (used is fine.)

    Just need to know recommendations for a complete solution (I saw a lot of items on ebay for Trimble and others, but, don't know if they have all of the parts I need, etc.)

    Thanks!

    Nate
     
    Nate, Apr 20, 2017
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  2. Nate

    Nuvi-Nebie Moderator

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    I think it may be difficult to find what you are looking for at that price, the 'standard' GPS can't guarantee 3 feet accuracy and anything above that using multiple satellite bands, external radio beacons, RTK etc. are usually thousands of dollars. As far as I am aware, post processing is only carried out on these 'surveying' units such as Trimble etc. as the data required is not available from standard units

    The standard units can improve accuracy by carrying out 'GPS averaging', where a unit is kept stationary for an extented period with lots of measurements taken and then averaged, to get a better guess at the location
     
    Nuvi-Nebie, Apr 20, 2017
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