SV+------------------------------------------------------------------------+ SV
  8|****************                                                        |  8
  6|************************************                                    |  6
  9|*1**************************************                                |  9
 11|**********************************************************12            | 11
 13|                ******************************************************1*| 13
  3|                                   I************************************|  3
 12|                                       I************************I       | 12
Obs|444444444444444444444444444444444444444444444444444444444444333332222222|Obs
Clk|                                                                        |Clk
   +---------------|------------------------------|-------------------------+
22:29:29.080                                                        05:29:59.080
1989 May 21                                                          1989 May 22

*********************
QC of RINEX  file(s) : air1411.obs
*********************

Time of start of window : 1989 May 21  22:29:29.080
Time of  end  of window : 1989 May 22  05:29:59.080
Time line window length : 7.01 hour(s), ticked every 3.0 hour(s)
Observation interval    : 30.0000 seconds
Total satellites w/ obs : 7
NAVSTAR GPS SVs w/o OBS :  1   2   4   5   7  10  14  15  16  17  18  19 
                          20  21  22  23  24  25  26  27  28  29  30  31  32 
Rx tracking capability  : 12 SVs
Poss. # of obs epochs   :    842
Epochs w/ observations  :    842
Complete observations   :   3136
 Deleted observations   :      2
Moving average MP1      : 0.572198 m
Moving average MP2      : 0.658296 m
Points in MP moving avg : 50
No. of Rx clock offsets : 0
Total Rx clock drift    :  0.000000 ms
Rate of Rx clock drift  :  0.000 ms/hr
Report gap > than       : 10.00 minute(s)
       but < than       : 90.00 minute(s)
epochs w/ msec clk slip : 0
other msec mp events    : 0 (: 12)   {expect <= 1:50}
IOD signifying a slip   : >400.0 cm/minute
IOD slips               :      3
IOD or MP slips         :      3
      first epoch    last epoch    hrs   dt  #expt  #have   %   mp1   mp2 o/slps
SUM 89  5 21 22:29 89  5 22 05:29 7.008  30    n/a   3136 n/a  0.57  0.66   1045