[daip] SNR of 999.0 in FRING

[Amy Mioduszewski]

Hi Sang-Sung,

Your data is fine.  FRING will only report SNRs up to 999.0, it just means that 
you have a very high (> 999.0) SNR for that baseline.

Amy

Sang-Sung Lee wrote:
> Dear all,
> 
> I've got SNR of 999.0 as a result after running FRING with my data as below.
> If you have any idea on the strange number of SNR, please let me know
> what the number means, why it happens, if my data is OK or not, etc.
> 
> Best regards,
> Sang-Sung
> ---------
> 
>    1    2   10-FEB-2010  16:14:30     FRING     Time=   0/ 14 46 34, 
> Polarization = 1
>    1    2   10-FEB-2010  16:14:30     FRING     B= 01 - 02 IF=  1 
> R=       3.9 D=       1.1 SNR=  86.1
>    1    2   10-FEB-2010  16:14:30     FRING     B= 01 - 03 IF=  1 
> R=       0.0 D=     -22.3 SNR= 169.1
>    1    2   10-FEB-2010  16:14:30     FRING     B= 01 - 04 IF=  1 
> R=       0.0 D=     -25.6 SNR=  63.3
>    1    2   10-FEB-2010  16:14:30     FRING     B= 01 - 05 IF=  1 
> R=       0.0 D=     -28.9 SNR= 124.1
>    1    2   10-FEB-2010  16:14:30     FRING     B= 01 - 06 IF=  1 
> R=       0.0 D=     -32.2 SNR= 999.0
>    1    3   10-FEB-2010  16:14:30     FRING     IF number =    1 Poln. =   1
>    1    3   10-FEB-2010  16:14:30     FRING     Fitted phases, rates, 
> delays and SNR: [ P = phase(deg),
>    1    3   10-FEB-2010  16:14:30     FRING       R = rate(mHz), D = 
> Single-Band Delay(nsec), S = SNR ]
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(02): Phas= -87.8 
> rate=      3.44 delay=      1.17 SNR=  17.0
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(03): Phas= -34.0 
> rate=      6.57 delay=    -20.93 SNR=  16.5
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(04): Phas= -85.9 
> rate=     -6.19 delay=    -24.91 SNR=  14.0
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(05): Phas= -52.2 
> rate=      3.09 delay=    -28.53 SNR=  16.7
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(06): Phas= 109.4 
> rate=    -20.11 delay=    -29.59 SNR=   5.9
>    1    3   10-FEB-2010  16:14:30     FRING     Standard RMS errors 
> (deg, mHz, nsec):
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(02): Phas=  3.37 
> rate=     0.368 delay=     0.043
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(03): Phas=  3.48 
> rate=     0.380 delay=     0.045
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(04): Phas=  4.11 
> rate=     0.429 delay=     0.054
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(05): Phas=  3.43 
> rate=     0.376 delay=     0.044
>    1    3   10-FEB-2010  16:14:30     FRING     Ant(06): Phas=  9.77 
> rate=     1.223 delay=     0.135
> 
> 
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