[time-nuts] FE 5680A Warning

paul swed paulswedb at gmail.com
Mon Nov 14 09:20:23 EST 2011


Have to say great pictures of the unit. All for $49. Not bad.
Regards
Paul
WB8TSL

On Sun, Nov 13, 2011 at 4:27 PM, Don Latham <djl at montana.com> wrote:

> Whie we're on elementary sources, has anyone in the group bought a tiny
> Cs standard yet?
> Don
>
> k4cle at aol.com
> > Just an inkling of the number of cellular base stations out there!  And
> > that's just the ones made by Motorola.  There's probably twice or three
> > times that many made by Lucent (I believe Lucent calls their Rb units
> > FTU's for frequency and timing unit).
> >
> > Connected by DROID on Verizon Wireless
> >
> > -----Original message-----
> > From: Peter Bell <bell.peter at gmail.com>
> > To: Discussion of precise time and frequency measurement
> > <time-nuts at febo.com>
> > Sent: Sun, Nov 13, 2011 18:32:26 GMT+00:00
> > Subject: Re: [time-nuts] FE 5680A Warning
> >
> > The ones with the 2 labels have a date code as the 4 digit prefix on
> > the S/N - so a unit that says "S/N 0416-756124" was made in week 16
> > 2004.  All the ones I've seen date from 2003 or 2004.
> >
> > The board they were originally attached to was largely empty -
> > although it did have a label indicating that the board name was "HSO"
> > (presumably "high stability oscillator") and a part of serial number
> > stickers in a format that instantly made me think "Motorola" (the P/N
> > started with SGLA4000, IIRC).
> >
> >
> > On Mon, Nov 14, 2011 at 1:49 AM, mike cook <michael.cook at sfr.fr> wrote:
> >> Le 13/11/2011 18:21, Chuck Forsberg WA7KGX N2469R a écrit :
> >>>
> >>> Seems like a lot of folks selling these lately.
> >>> Curious minds would like to know why.
> >>
> >> I expect they are lots from telecom providers who are are replacing
> >> Â kit
> >> that is being upgraded.
> >> I don't see any date codes on the boxes. Has anyone who has delved
> >> inside
> >> seen any information on date of manufacture?
> >>
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> >
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>
> --
> "Neither the voice of authority nor the weight of reason and argument
> are as significant as experiment, for thence comes quiet to the mind."
> R. Bacon
> "If you don't know what it is, don't poke it."
> Ghost in the Shell
>
>
> Dr. Don Latham AJ7LL
> Six Mile Systems LLP
> 17850 Six Mile Road
> POB 134
> Huson, MT, 59846
> VOX 406-626-4304
> www.lightningforensics.com
> www.sixmilesystems.com
>
>
>
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