[time-nuts] New NTBW50AA
Bob Camp
lists at rtty.us
Sun Sep 8 16:01:48 EDT 2013
Hi
Before you run into it:
1) Normally the "oscillator tune" function in LH does not work correctly on that unit. Either the firmware does not allow filter updates (likely) or they use a different syntax than the one used by LH.
2) Best performance will come from a > 48 hour survey. LH is quite happy to do this for you. It's only worth doing after you decide on a permanent antenna location.
3) These modules normally operated with some moving air. At the very least, don't block up all the vents and stack a bunch of stuff above and below them. The main thing to watch out for is the temperature of the DC-DC converter brick. A touch test is perfectly adequate to tell you if it's getting hot.
Bob
On Sep 8, 2013, at 1:59 PM, quartz55 <quartz55 at hughes.net> wrote:
> I'm getting 1.55e-12 ADEV at this point, about 20 hours into it.
>
> Why does the yellow line keep going full up and down, although not all the time?
>
> Dave
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