[time-nuts] GPS and Rubidium frequency standards and noise question (newbie).

[Mark Spencer]

Sorry for the waste of bandwidth with my prior blank email.

Mea Culpa.

Chris, I went thru this process several years ago and ended up purchasing the G3RUH GPSDO.  For amateur radio usage (vs time nuts usage) it seemed like a good choice to me.   I also liked not having to roll the dice on an auction site purchase for a piece of surplus gear.   I've since acquired a number of other units that are more time nuts oriented.   Be warned acquiring a GPSDO can be the first step in long journey to determine how good your GSPDO actually is.  Over the last few years I've spent far more time and money on time nuts pursuits than on amateur radio.


Regards
Mark Spencer
VE7AFZ

--- On Sun, 6/3/12, Mark Spencer <mspencer12345 at yahoo.ca> wrote:

> From: Mark Spencer <mspencer12345 at yahoo.ca>
> Subject: Re: [time-nuts] GPS and Rubidium frequency standards and noise question (newbie).
> To: "Chris Wilson" <chris at chriswilson.tv>, "Discussion of precise time and frequency measurement" <time-nuts at febo.com>
> Received: Sunday, June 3, 2012, 3:27 PM
> 
> 
> Sent from my iPod
> 
> On 2012-06-03, at 2:19 PM, Chris Wilson <chris at chriswilson.tv>
> wrote:
> 
> > 
> > 
> > 
> > 
> > 03/06/2012 19:09
> > 
> > Thanks for the great replies! My immediate need is to
> check some used
> > test equipment I have bought, a Racal dana 9908 counter
> and a Marconi
> > 2019A signal generator. They don't agree with one
> another! I was going
> > to get a Thunderbolt unit and PS, but my friend
> mentioning noise got
> > me worried. I may have a play with some SDR gear and I
> know they can
> > be locked to a standard i you have one. Longer term my
> aim is to have
> > a play with microwaves, which is what this friend is
> into, and maybe
> > he has a particular issue with noise with sort of
> multiplication he is
> > using? The fact that a GPS reference can be always on
> and locked to a
> > reference that someone else maintains, if I understand
> things correctly,
> > if simplistically, appeals. I am happy to be guided
> though, and I
> > suppose I could always get a different type later if
> the specific need
> > arose, although I am not made of money ;)
> > 
> > Thanks!
> > 
> > 
> > 
> > -- 
> >       Best Regards,
> >               
>    Chris Wilson.
> > 
> > 
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