Hi After some more digging, I was more than a bit high on my kit cost estimate. The MV89’s are $5-$6 on the market in China. The PCBs as a set are under $3. Best guess is that the kit (if that’s what it is) sells for under $25 un-assembled.
Bob > On Nov 19, 2014, at 7:37 AM, Bob Camp <[email protected]> wrote: > > Hi > > It also could be a club / group and these could be club design projects. If > they are done from some sort of kit, the level of parts and workmanship may > vary a bit. You do *not* want to buy the first Heathkit I ever built …. > > Since the surplus GPSDO’s we buy for a hundred dollars or so mostly (but not > always) come from China, I doubt that a group over there designed one that > costs them the same sort of money. My guess is that, at least as a kit, the > target cost was in the 25 cents on the dollar range ($50 or so). That’s not a > bad thing at all, money matters. It may have limited what they could do > compared to what’s in one of the surplus cell site GPSDO’s. > > Bob > >> On Nov 19, 2014, at 1:24 AM, Don Latham <[email protected]> wrote: >> >> >> big 7 table >> >> Don >> Bob Camp >>> Hi >>> >>> The guy’s email *might* be: [email protected] >>> >>> That also could be something else entirely. >>> >>> Bob >>> >>> On Nov 18, 2014, at 7:34 PM, Bob Camp <[email protected]> wrote: >>>> >>>> >>>> Hi >>>> >>>> … and indeed it is one. There are a whole range of this and that pieces of >>>> test gear designed by the guy. >>>> >>>> Bob >>>> >>>>> On Nov 18, 2014, at 7:28 PM, Alan Hochhalter <[email protected]> wrote: >>>>> >>>>> BG7TBL sounds like an amateur radio callsign. >>>>> >>>>> Alan >>>>> >>>>> On Tue, Nov 18, 2014 at 5:24 PM, Bob Camp <[email protected]> wrote: >>>>> >>>>>> Hi >>>>>> >>>>>> I’d say this has the look of a hobby / semi-pro project. I’ve seen >>>>>> several >>>>>> of them done in other areas. Somebody comes up with a pile of parts at >>>>>> the >>>>>> local market and does a board that at least sort of makes them work. >>>>>> Often >>>>>> they are based on some sort of open source effort. Without more >>>>>> information, this is very much a “who knows” sort of thing. >>>>>> >>>>>> Bob >>>>>> >>>>>>> On Nov 18, 2014, at 7:19 PM, Arthur Dent <[email protected]> >>>>>> wrote: >>>>>>> >>>>>>> You can see a similar product by this seller direct - >>>>>>> >>>>>>> http://www.cart100.com/seller/bg7tbl/ >>>>>>> http://www.cart100.com/Product/38848104218/ >>>>>>> >>>>>>> Looks like a similar product at almost 3 time the Ebay price. >>>>>>> There are more photos at the second link under 'specifications' >>>>>>> and you can read MV89A on the Morion oscillator and see some >>>>>>> wires patching an error on the bottom of the PC board. Note that >>>>>>> the seller also has a frequency doubler at about $10. >>>>>>> >>>>>>> -Arthur >>>>>>> _______________________________________________ >>>>>>> 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. >>> >>> >> >> >> -- >> "The power of accurate observation is commonly called cynicism by those who >> have not got it." >> -George Bernard Shaw >> >> Dr. Don Latham AJ7LL >> Six Mile Systems LLC >> 17850 Six Mile Road >> Huson, MT, 59846 >> mail: POBox 404 >> Frenchtown MT 59834-0404 >> VOX 406-626-4304 >> Skype: buffler2 >> www.lightningforensics.com >> www.sixmilesystems.com >> >> >> _______________________________________________ >> 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.
