[time-nuts] Recommendations for a newbie?

[EWKehren at aol.com]

Sorry my mistake 5372A I will send you the data direct
Bert Kehren
 
 
In a message dated 9/8/2012 6:15:59 P.M. Eastern Daylight Time,  
azelio.boriani at screen.it writes:

The  HP5352A has a 2nS single shot resolution: how can you have 300pS or  
1nS
measures?

On Sat, Sep 8, 2012 at 9:08 PM, Robert Liesenfeld  <xunil at xunil.net> wrote:

> Wow, thank you everyone for the  wealth of information and advice.  It
> sounds like for my needs,  either the TBolt or HP Z-box will do just fine,
> and cost is going to  be more of a driver than anything else.  It seems 
that
> the HPs  are more plentiful on a certain well-known auction site, but
>  Thunderbolts are cheaper.  I'll keep an eye out for good  deals.
>
> Again, big thanks to everyone for the information, and  for the welcoming
> atmosphere!
>
>  -Rob
>
>
> On Sat, Sep 8, 2012 at 10:32 AM, Charles P.  Steinmetz <
> charles_steinmetz at lavabit.com>  wrote:
>
> > Said wrote (re: eBay 58503As):
>  >
> >
> >  they work well for me, look brand-new,  and came with power supply,
> rs-232
> >> cable, and  antenna. I think it's a 5V antenna. The unit had about 
37000
>  on
> >> the lifetime.
> >>
> >> The seller  has close up photos, that's what the units look like. I
>  plugged
> >> in the power, ran GPSCon to start an Auto-Survey, and  they just 
worked.
> >>
> >
> > Looking at the  current and completed eBay listings for the 58503As from
> > Hong  Kong, I notice that the seller seems to have conversion units 
based
>  on
> > the Z3801 and on the Z3805, and some that may be factory  58503As.  The
> > listing text for all of them says they have  6-channel receivers.  Some
> have
> > no PPS outputs, some  have one, and some have two.  Some have internal 
AC
> > power  supplies, some have external supplies.  There appear to be at  
least
> > two different rear-panel layouts.  They are priced  from $260 to $999, 
and
> > it does not seem obvious what justifies  the radically different prices
> > (aside from different  antennas).  Based on these confusing listings, 
I'd
> be
>  > very reluctant to count on finding anything specific inside the  
housing
> > (e.g, a particular OCXO) if I bought one, except possibly  the $999 
units
> > that may be factory 58503As.
> >
>  > Best regards,
> >
> > Charles
> >
>  >
> >
> >
> >
> >
> >
>  >
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