[time-nuts] Recommendations for a newbie?

Azelio Boriani azelio.boriani at screen.it
Sat Sep 8 12:11:35 UTC 2012


Can't compare the Z3805A to the HP58503A but I have found in the archives
that the Z3805A has a 16 channel GPS receiver and it is better to find the
Symmetricom labeled one as it has a real double-oven OCXO. According to a
2010 time-nut message the Z3805A is almost the same as the TBolt.

On Sat, Sep 8, 2012 at 3:53 AM, Edgardo Molina <xe1xus at amsat.org> wrote:

> Dear Said,
>
> Thank you for your kind explanation. I will be considering such a purchase
> in the near future. I will keep you informed about my experiences. You have
> a nice evening.
>
> Regards,
>
>
>
> Edgardo Molina
> Dirección IPTEL
>
> www.iptel.net.mx
>
> T : 55 55 55202444
> M : 04455 20501854
>
> Piensa en Bits SA de CV
>
>
>
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>
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> On Sep 7, 2012, at 8:14 PM, SAIDJACK at aol.com wrote:
>
> > Hi Edgardo,
> >
> > 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.
> >
> > I now get less than 3us predicted drift over 24 hours from one of the
> > units, which is quite good according to others.
> >
> > I think these are pretty good for the money (free shipping on mine) but
> > there are differences between the three units I have just like the Z3801A
> > plots  on leapsecond.com.
> >
> > Hope that helps,
> > Said
> >
> >
> > In a message dated 9/7/2012 17:13:22 Pacific Daylight Time,
> > xe1xus at amsat.org writes:
> >
> > Dear  Said,
> >
> > Good afternoon. How is the service and cosmetic condition of the  HP GPS
> > products you have bought from this source? I am considering a Z3805A
>  just for
> > the sake of owning one and the versatility of plug and play.   Still
> afraid
> > to take the plunge.
> >
> > Did you buy a raw unit? Or as a kit  with antenna. Is that a 5V or 12V
> > antenna?  I am integrating a TBolt into  a 1U rack case which also has
> space for
> > a Rb oscillator for future  disciplining. Got a nice TBolt monitor and
> > would love to also include a  frequency divider to get 5 and 1MHz from
> the
> > TBolt.
> >
> > Your kind comments  are welcome. Thank you.
> >
> > Regards,
> >
> >
> >
> > Edgardo  Molina
> > Dirección IPTEL
> >
> >
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