.... The PRS10 by SRS has serious shortcomings at short tau. I don't understand why but there is a huge hump in the adev. That's why I avoided one.
Sent from my iPhone On Aug 23, 2012, at 10:42 AM, paul swed <[email protected]> wrote: > OK have been staying clear of the replies. > Thats a lot of money for a RB of who knows what age and no support. > Those are $25 value items you are taking all of the risks. And yes indeed > you can get RBs for $25 a bit low in the lamp life. But do rejuvenate > nicely. FRS class. > > Brand new ones I think from SRS are that cost, consume a fraction of the > power, great documentation, warranty, and modern control interfaces. > What on earth would shipping and customs be?? > Cute boat anchor though a real waste of anything. > Regards > Paul > WB8TSL > > On Thu, Aug 23, 2012 at 11:32 AM, Michael Perrett <[email protected]>wrote: > >> I have found Google translate does a pretty good job on translating manuals >> - and it is free >> Michael >> >> On Thu, Aug 23, 2012 at 6:40 AM, Richard Parrish <[email protected]> >> wrote: >> >>> The seller of the 'Russian' equipment said that the CCHB-74 frequency >>> standard is a rubidium unit. Manual is in Russian but he can translate >>> part >>> of the manual into English for an additional fee. >>> >>> Thanks, >>> Richard Parrish >>> Cal Center Inc >>> 1622 Griffith Ave >>> Terrell, Texas 75160-4905 >>> [email protected] >>> 214-577-3515 >>> >>> -----Original Message----- >>> From: [email protected] [mailto:[email protected]] On >>> Behalf Of David Kirkby >>> Sent: Thursday, August 23, 2012 3:18 AM >>> To: Discussion of precise time and frequency measurement >>> Subject: [time-nuts] Is this a cesium frequency standard? >>> >>> There's a seller on ebay by the name of >>> "electro-radio-device-high-precision", which have some odd things. >>> Some seem as if they would be 19th century items, but are sold as "new". >>> >>> >>> >> http://stores.ebay.co.uk/electro-radio-device-high-precision?_trksid=p4340.l >>> 2563 >>> >>> I suspect his stuff was desgned for the Russian military. Everything he >>> sells is described as >>> >>> "analog of Lutron, Advantest, Avtech, HP Agilent, NoiseCom, General >> Radio, >>> Boonton, Anritsu, Fluke and general Electric, but has the same or better >>> characteristics." >>> >>> I thought this one was interesting though >>> >>> >>> >> http://www.ebay.co.uk/itm/5MHz-1MHz-100kHz-Frequency-standard-CCHB-74-an-g-A >>> gilent-HP-/330758945645?pt=LH_DefaultDomain_0&hash=item4d02c4fb6d >>> >>> It has lots of knobs to twiddle, so it might be a cesium, though the >> specs >>> don't seem good enough for a cesium, with a relativa e error of >>> +/- 2 x 10^-11 at shipping. That seems more like a rubidium spec. >>> >>> He has some bizzare stuff, like a power meter which works to 53 GHz, but >>> has >>> banana plugs on it. I guess the sensor is connected to the banana plugs, >>> though he does not mention it needing an external sensor. >>> >>> >>> >> http://www.ebay.co.uk/itm/0-03GHz-53GHz-1mkWatt-10mWatt-Power-meter-M3-22-an >>> >>> >> -g-Agilent-HP-Marconi-GenRad-/230821610924?pt=LH_DefaultDomain_0&hash=item35 >>> be0a45ac >>> >>> Some of his stuff seems very over priced, like a 400-1200 MHz sig gen >> with >>> an error of 1% for $1580, but other things seem quite reasonable. >>> If you need a sig gen at 70 GHz, he has them. >>> >>> Anyway, its worth checking out his auctions, as he has some test >> equipment >>> which is very different from what one normally sees - and it some cases >> to >>> what one would want to see! >>> >>> Dave >>> >>> _______________________________________________ >>> time-nuts mailing list -- [email protected] To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >>> >>> >>> _______________________________________________ >>> time-nuts mailing list -- [email protected] >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >>> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
