[time-nuts] Short term 10MHz source

Bob kb8tq kb8tq at n1k.org
Tue Jan 8 20:10:15 UTC 2019


Hi

Next we would need LH support for three TICC’s to do three corner hat …. :) 

Maybe a module for each TICC ….. 

Bob

> On Jan 8, 2019, at 2:37 PM, Magnus Danielson <magnus at rubidium.se> wrote:
> 
> Hmm... and idea.
> 
> For some GPSDOs you get a PPS and is "raw" from GPS module and not resynthesized from the steered 10 MHz.
> 
> Now, if one uses this PPS it would get quite a bit of noise, but if one was to measure that noise against the smoothed 10 MHz with a separate TIC/TICC one should be able to use the PPS as a transfer oscillator with the right rate but get close to the smoothed 10 MHz as stability.
> 
> So, it would be neat to be able to have two TIC/TICCs wired up, one for the PPS/10 MHz and the other for PPS to DUT and then compensate the later measurement with the former through subtraction.
> 
> Sure, this can be achieved by so many other ways, but it would be fun to see if it pans out when you have the spare TIC/TICC and is able to pull data from several in real-time.
> 
> Cheers,
> Magnus
> 
> On 2019-01-08 20:28, Mark Sims wrote:
>> Lady Heather also supports the TICC.   The TICC can be the main input "receiver" device and/or an auxiliary input device.  With two TICCs connected you can process four channels of data.
>> 
>> Heather lets you configure the main input device TICC parameters and also has the ability to "tune" the TICC channel offsets, etc.
>> 
>> 
>> -------------
>> 
>>> The TICC talks to a host computer using ASCII on USB.
>> John Miles' TimeLab software can read data directly from it, or you can
>> just save the data as a text file with a terminal program
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