Hi If there was a file / image attached , it didn't make it through. North doesn't matter much, South is a very big deal. That of course assumes you are in the US or Europe.
Bob On Mar 2, 2013, at 9:45 PM, Peter Gottlieb <n...@verizon.net> wrote: > I finally got the antenna outside, but just onto a deck railing and not yet > up high on the roof. Before I do that, does it look like I'm getting decent > performance from it? Here is the LH display: > > Once up on the roof the Westerly exposure will be improved, but North East > and South are pretty much clear right now. > > Does anything else look suspicious or wrong? > > Any hints greatly appreciated! > > > > On 2/26/2013 1:53 PM, WarrenS wrote: >>> Can anyone comment on the picture. >>> I don't know if what I have would be considered good as far as accuracy and >>> stability is concerned. >> >> The screen dump is way too short to give much detail. >> What can be said from what is there: >>> From a Ham standpoint it is all working fine and is much better than 1e-9. >> >>> From a time nut standpoint it is very poor. >> It is using the default setting (for the most part) >> Phase error at -100ns is ~50 times high for the 100 sec TC setting used, >> (likely due to the high drift rate of the Osc) >> Frequency error is wondering around 1e-10 is about 50 times higher than what >> is possible. >> Effect on freq and phase noise with sat changes is >>10 times more that what >> is possible with good setup. >> >> Concerning your Dac comments, Yes makes sense, but your conclusing is wrong. >> Can't say or sure, because the 24 Hr + screen shot is not shown, but in >> general >> The Tbolt temperature reading has no direct effect on the Dac control >> voltage unless the Tbolt is in hold over. >> The Dac voltage changes because the oscillator's freq is trying to change, >> not the other way around. >> You can disable the Dac from changing with "dd". >> >> ws >> >> ******************** >> From: "Garren Davis" >> Subject: [time-nuts] Lady Heather numbers >> >> Hi, >> >> I have been playing with my thunderbolt and Lady Heather over the weekend. I >> hope it's ok >> that I attached a screen dump of what I have. Can anyone comment on the >> picture. It's been >> running less than a day and I don't know if what I have would be considered >> good as far as >> accuracy and stability is concerned. >> Thanks. >> Garren >> >> ************************** >> Garren Davis garren.davis at qlogic.com >> >>> From looking at the graph over 24 hours it looks like the outer oven varies >>> about +-.5C. This is >> from the tbolt temperature sensor as the tbolt is in the outer oven. The >> inner oven where the >> oscillator is located holds at 66.4C. My concern is that it looks like the >> tbolt algorithm controls >> the DAC voltage depending on the temperature that the tbolt reads. >> Temperature goes up, the DAC >> voltage goes up. If the inner oven is holding steady then I don't want the >> DAC voltage changing >> if the temperature in the outer oven is changing. Is there any way to tell >> the tbolt algorithm to >> ignore the temperature in its DAC calculation? >> >> Wow, I hope this makes sense the way I explained it. >> >> Garren >> >> >> >> >> 888888888888888888888 >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 10.0.1430 / Virus Database: 2641/5634 - Release Date: 02/26/13 >> >> > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.