The insertion loss of DUT38 on 1296 measured with SDR-IP mixers and HP generators.
(March 10 2013)






Observed signal levels:

 none         DUT38
115.3119     115.1262
115.3094     115.1248
115.3076     115.1209
115.3058


      averages 
115.3087     115.1240

Standard deviations of individual measurements
 0.0026      0.0027

Standard deviations of averages
 0.0013     0.0016

Standard deviation on insertion loss 0.0021

IL = 115.3087 -  115.1240 = 0.1847 dB

Error limits (3 sigma) +/- 0.0062 dB

Errors are estimated from too few data points so
error estimation for this particular measurement is 
uncertain.
There are many measurements in this series so the statistics
of all the errors estimates will give a good idea about errors.