List: time-nuts@lists.febo.com
From: Neville Michie
Re: [time-nuts] establishing your position w/o gps
Wed, Jan 25, 2012 10:29 PM
On 26/01/2012, at 2:49 AM, J. Forster wrote:
>> Finding your location without GPS is not all that difficult.
>> You need a quality theodolite, but even an ordinary one will read to
>> 1 second of arc.
>
> Ordinary? You mean something like a Wild T-2 or Kern DKM-2. Even then
> getting close to 1 arc-second requires a lot of care.