[time-nuts] establishing your position w/o gps

[Lee Mushel]

If you're looking for a really interesting topic to read about, the 
development of an accurate ship-board clock is really fascinating!   And it 
wasn't done overnight!

Lee  K9WRU
----- Original Message ----- 
From: "Chris Albertson" <albertson.chris at gmail.com>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Tuesday, January 24, 2012 10:36 AM
Subject: Re: [time-nuts] establishing your position w/o gps


> On Tue, Jan 24, 2012 at 3:16 AM, Attila Kinali <attila at kinali.ch> wrote:
>> On Tue, 24 Jan 2012 11:04:08 +0000
>> "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
>>
>>> In message <20120124115848.312d60bd4fccce4f3e71c136 at kinali.ch>, Attila 
>>> Kinali w
>>> rites:
>>>
>>> >All this talk about telling the time using stars or the sun made me 
>>> >wonder
>>> >how did people tell what position their telescopes had back in the days
>>> >before GPS?
>
> Sailingships and trade was what pushed this.