[time-nuts] Allan Deviation Tool

[John Ackermann N8UR]

By the way -- it builds just fine under Linux without any changes.

gcc -lm -o adev1 adev1.c

will yield an executable, with one warning because main() doesn't return
an int.

John
----

John Ackermann N8UR said the following on 03/15/2006 08:55 PM:
> Very nice, Tom.  Thanks!
> 
> John
> ----
> 
> Tom Van Baak said the following on 03/15/2006 08:12 PM:
> 
>>Someone asked a few weeks ago about a tool to
>>compute Allan deviation. There are quite a few that
>>I use, but here's a write-up about a simple windows
>>command line tool that I use.
>>
>>http://www.leapsecond.com/tools/adev1.htm
>>
>>With one day's worth of data from a cesium standard
>>and an HP 53131A the tool does this for you:
>>
>>C:\tvb> adev1 < log23202.txt 1
>>** Sampling period: 1 s
>>** Phase data scale factor: 1.000e+000
>>** Total phase samples: 86400
>>       1 tau, 6.0265e-010 adev(n=86398),
>>       2 tau, 2.8217e-010 adev(n=43198),
>>       5 tau, 1.0314e-010 adev(n=17278),
>>      10 tau, 5.3691e-011 adev(n=8638),
>>      20 tau, 2.6617e-011 adev(n=4318),
>>      50 tau, 1.1052e-011 adev(n=1726),
>>     100 tau, 5.6781e-012 adev(n=862),
>>     200 tau, 3.0238e-012 adev(n=430),
>>     500 tau, 1.3804e-012 adev(n=171),
>>    1000 tau, 8.0011e-013 adev(n=85),
>>    2000 tau, 6.0141e-013 adev(n=42),
>>    5000 tau, 2.3656e-013 adev(n=16),
>>   10000 tau, 1.4069e-013 adev(n=7),
>>   20000 tau, 8.3392e-014 adev(n=3),
>>
>>If you have questions or trouble with it contact me off-list.
>>
>>/tvb
>>http://www.leapsecond.com/time-nuts.htm
>>
>>
>>
>>
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>>
> 
> 
> 
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