[daip] SNR of 999.0 in FRING

[Sang-Sung Lee]

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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