Hi My intent was *not* to knock anybody’s input. Far from it. My only intent was to point out that we are heading off comparing very different apples to very different oranges.
Bob > On Oct 17, 2014, at 10:49 PM, Pete Lancashire <[email protected]> wrote: > > I'm sorry for what I wrote > > -pete bye … > > On Fri, Oct 17, 2014 at 7:46 PM, Pete Lancashire <[email protected]> > wrote: > >> No where did I mention comparing specifications. >> >> It was a statement of an individual Joe being able to get a GPDSO for a >> very reasonable amount. >> >> >> Just a usable GPDSO nothing else. >> >> >> >> On Fri, Oct 17, 2014 at 6:14 PM, Bob Camp <[email protected]> wrote: >> >>> Hi >>> >>> The question on all of these setups is very much - what do you need? >>> >>> The T-Bolt was designed to meet some very specific requirements. It’s got >>> an OCXO onboard because of that. >>> >>> A 48 hour battery backed Rb does something very different, it’s got >>> different costs associated with it. >>> >>> A modern / up to date TCXO based unit makes some compromises to trade off >>> against power and size. >>> >>> Depending on what your system needs are, each of the first two may >>> uniquely fill a bill that the others will not and can not. If you need to >>> run 120 days on battery, the third will win the contest easily. If you want >>> to run on something other than GPS, number 3 is your choice. >>> >>> Cost wise, it all depends on when you bought what. I have Rb’s that cost >>> less than $40 and T-Bolts that cost less than $100. You can still get >>> surplus T-Bolt like objects (OCXO based surplus GPSDO’s) for under $130. I >>> also have some stuff I’ve bought on eBay (and other surplus outlets) over >>> the years that turned out to be less than perfect. Depending on surplus >>> gear in a commercial system would be silly compared to using newly >>> manufactured parts. It all depends on what you need. >>> >>> Bob >>> >>>> On Oct 17, 2014, at 5:19 PM, paul swed <[email protected]> wrote: >>>> >>>> Don't want to hijack any discussion and am looking forward to the ebay >>> site >>>> and ordering. Whats amazing is the power spec in addition to other >>> specs. I >>>> rechecked the spec 1/16th watt at 3.3V. My RB in the basement draws 24 >>>> watts just idling along and keeping two hefty SLA batteries charged for >>> a >>>> 48 hour run time if needed. >>>> >>>> I can clearly see the case of careful support system design such that a >>>> battery set can be charged and even in a power failure run several days >>> on >>>> a small battery. >>>> SLA 7 amp was something like 100 plus hours. Bert introduced me to some >>> of >>>> the Lithium battery technologies that can be had for reasonable cost and >>>> are small and dense. >>>> >>>> But that said really no need for a battery since restarts are fast... >>>> Lots to think about. Like LEDs drawing more power then the system and >>>> sloppy base power supplies wasting power. >>>> Regards >>>> Paul >>>> WB8TSL >>>> >>>> On Fri, Oct 17, 2014 at 4:53 PM, Pete Lancashire < >>> [email protected]> >>>> wrote: >>>> >>>>> Sorry to create any misunderstanding >>>>> >>>>> I was saying thanks to TVB/TAPR for all their effort, and Said/JLT for >>>>> doing what they did for the group >>>>> >>>>> I was in no way comparing the used Thunderbolts to the LTE Lite. >>>>> >>>>> -pete >>>>> >>>>> On Fri, Oct 17, 2014 at 1:13 PM, Jim Sanford <[email protected]> >>> wrote: >>>>> >>>>>> And, somehow I expect that my LTE-LITE will actually work, which my >>>>>> thunderbolt never did. (Very noisy) It continues to collect dust.... >>>>>> On 10/17/2014 3:49 PM, Pete Lancashire wrote: >>>>>> >>>>>>> First three cheers to LTE for making these available. >>>>>>> >>>>>>> It reminds me when Motorola made a developers kit for the then >>>>>>> new 68HC11 MCU available for $68.11. >>>>>>> >>>>>>> I know of one design win they got that more then made of their >>> marketing >>>>>>> costs. >>>>>>> >>>>>>> Another that hit me is with inflation the LTE Lite is not much more >>> then >>>>>>> what many of us paid for our Thunderbolts. >>>>>>> >>>>>>> For those new to the list ... >>>>>>> >>>>>>> https://www.febo.com/pipermail/time-nuts/2008-May/031100.html >>>>>>> >>>>>>> http://www.leapsecond.com/pages/tapr-tbolt/ >>>>>>> >>>>>>> In 2008, $124, the LTE Lite in 2014 $195. >>>>>>> >>>>>>> With 'real' inflation (not the 11% you get online) the $71 >>> difference is >>>>>>> not much more. >>>>>>> >>>>>>> My two backup Thunderbolts cost me $145 each, just before they hit >>> $200 >>>>>>> then became history. >>>>>>> >>>>>>> Again thanks to Said and JLT !!!! >>>>>>> >>>>>>> -pete >>>>>>> _______________________________________________ >>>>>>> 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. >>>>>>> >>>>>>> >>>>>> >>>>>> --- >>>>>> This email is free from viruses and malware because avast! Antivirus >>>>>> protection is active. >>>>>> http://www.avast.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. >>>>> >>>> _______________________________________________ >>>> 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.
