[time] GPS Time Server Survey

Andy Gryc andy
Sat Apr 26 15:33:21 UTC 2008

In case you're interested, our company Airchitex makes a product that 
sounds similar to your query.  It is specifically designed for "offline" 
or completely behind firewall use 
(http://www.airchitex.com/cuckoo.html).  Ours lists for $899, and uses a 
Garmin chipset internally.

The target market is small installations who can't afford the "big guns" 
but still need accurate time and don't want to use other NTP servers to 
get their time.  And of course it goes without saying that they're also 
people who don't want to spend a lot of time and effort in creating 
their own setup--it's a "plug and play" time server.  Speaking from our 
experience, this market is rather small.  Maybe it's just our bad 
marketing :-), but we sell maybe one unit a month if we're lucky.

--Andy Gryc
President, Airchitex

> I think it's a very good idea. The quasi-enthusiast market, or small 
> business market might be interested in this, however the ntp pool 
> provides good enough service for most people. Only those offline 
> entirely cannot benefit from the pool. I bet that number of 
> installations is fairly small. 
> ---
> Brandon West
> blwest at mac.com <mailto:blwest at mac.com>
> ---
> /QOTD - You've got to pity New Mexico... so far from heaven and so 
> close to Texas/
> On Apr 24, 2008, at 10:14 AM, Kipton Moravec wrote:
>> I am designing a system with a GPS module, and started looking at all of
>> the things it could do, including time.
>> Since you folks are all interested in time, I was wondering which of two
>> products would be of interest to you.
>> 1. A GPS module with the ability to expand the serial port to more than
>> 10 to allow you to use the NTP NEMA driver. The time pulse would be
>> accurate to about 30 nS RMS. Retail cost about $100.
>> 2. A time server with 2 Ethernet ports, with GPS time reference, to
>> directly support between 50 and 100 users using GPS. Retail Cost about
>> $200
>> Both would be Stratum 1 by using the GPS (and later Galileo also)
>> Satellites.
>> Any additional specifications? How much more would you pay for the
>> additional specs?
>> Or is this not interesting enough for you, that I would be wasting my
>> efforts.
>> -- 
>> Kipton Moravec KE5NGX
>> "Always do right; this will gratify some people and astonish the rest."
>> --Mark Twain
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