[time-nuts] new GPSDO kit
paulswedb at gmail.com
Sat Apr 5 14:56:50 UTC 2014
In my comments I kind of thought the comparison would be obvious. New with
warranty old/gamble. Said mentioned the 58503s are available for about $550.
Thats indeed a nice unit. Last comment for me. This ain't no solder the
pieces together gadget.
Regards to everyone.
On Sat, Apr 5, 2014 at 8:58 AM, Tim Shoppa <tshoppa at gmail.com> wrote:
> Holdover requirement of 2 days I'm sure made sense for the Telco-purchased
> GPSDO's intended to be on 24x7x365 at cell base stations e.g. Z3801A. I'm
> guessing 2 days would be how long it would take them to get a crew there to
> replace a broken GPS antenna and they figured the extra cost of the OCXO
> was worth it.
> The USB-powered TCXO GPSDO's are clearly not aimed at that market. They
> seem to me, to be pocket-portable units that travel with a crew and are
> designed to come on quickly, acquire and lock to an antenna maybe just
> stuck to a window, and deliver accurate pps or 10MHz as references for
> non-telco uses.
> On Fri, Apr 4, 2014 at 7:50 PM, Dr. David Kirkby <drkirkby at gmail.com>
> > On 4 Apr 2014 23:39, <SAIDJACK at aol.com> wrote:
> > >
> > > Hello everyone,
> > >
> > > sorry for the plug, but we just announced a new $568 complete GPSDO
> > > reference kit.
> > Given the low power consumption I assume that this doesn't use an oven.
> > That means if it does lose GPS lock, the frequency is going to drift much
> > faster than other units. Or does it stop producing 10 MHz if it loses
> > lock?
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