Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    or...
       
    Reply
    Re: theodolites
    From: Gary LaPook
    Date: 2008 Jan 8, 14:07 -0800

    Gary LaPook writes:
    
    Sokkia has 7" and 20" theodolites available but I don't know what they
    cost.
    
    
    http://www.sokkia.com/
    
    This website appears to have a lot of information about sureveying and
    surveying instruments.
    
    http://www.pobonline.com/CDA/Archives/
    
    gl
    
    On Jan 7, 10:45 am, Paul Hirose  wrote:
    > A couple months ago there was some discussion about theodolites for
    > sextant calibration. I see that Chinese companies are now producing
    > amazingly inexpensive electronic theodolites. How about a new 2-second
    > theodolite for $1100?http://cgi.ebay.com/South-ET-02-Electronic-Theodolite-2-Transit-Brand...
    >
    > This auction ends in a few hours, but the seller seems to keep one of
    > these listed all the time. (The last auction I watched, there was no sale.)
    >
    > The company web site has more details:http://www.southsurveying.net/SouthET.html
    >
    > Accessories include a right angle eyepiece and sun filter.
    >
    > Even cheaper is this theodolite, which claims the same 
    accuracy:http://cgi.ebay.com/NEW-LQET-102-2-Digital-Theodolite_W0QQitemZ290195...
    >
    > However, it's not as professionally marketed as the other theodolite.
    > The eBay page is riddled with spelling errors, and unlike the other
    > company, there's no U.S. distributor. You have to buy direct from China.
    > But the $440 price is incredible.
    >
    > Even $1100 is very cheap for a new instrument. You can get a used
    > 1" theodolite like a DKM2A or T2 on eBay, but not for $1100, at least
    > if you want one in good condition from a seller who knows about
    > these things. And if you're interested in celestial, right angle
    > eyepieces are hard to find. In addition, their optical micrometers need
    > careful manipulation and a practiced eye to get good results.
    >
    > For the hobbyist who wants to set up a sextant calibration range,
    > investigate the effects of refraction, or shoot the stars with a
    > theodolite, these new Chinese instruments may be worth a look.
    >
    > --
    > I block messages that contain attachments or HTML.
    --~--~---------~--~----~------------~-------~--~----~
    To post to this group, send email to NavList@fer3.com
    To unsubscribe, send email to NavList-unsubscribe@fer3.com
    -~----------~----~----~----~------~----~------~--~---
    
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Join NavList

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

    Enter the email address associated with your NavList messages. Your posting code will be emailed to you immediately.
    Email:

    Email Settings

    Posting Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site