2006 InterClub Courses - GPS Checks                  
                    S.I. C-34 IYC BAMA BAMA        
                    2004-2005 Sanner Krum slackwater Harvey sw_sf sw_sf    
Course Start               Finish Distance 4/9 & 5/3/06 4/18/06 5/2/06   diff nm diff %    
1 9-S SH-S 3-S           FC-S 7.80 7.99 7.9 7.99   0.19 2.44%    
2 9-S SH-S 3-S 8-S 3-S       FC-S 12.70 13.00 12.8 13.00   0.30 2.36%    
3 9-S 3-S SH-S           FC-S 7.80 9.19 9.1 9.19   1.39 17.82%    
4 9-S 3-S SH-S 3-S 8-S       FC-S 13.40 14.10 14.0 14.10   0.70 5.22%    
5 9-S 7-S 3-S 7-S 3-S       FC-S 9.00 9.53 9.0 9.53   0.53 5.89%    
6 9-S 2-S 1-S 3-S 1-P 2-S 1-S 3-S FC-S 15.50 15.90 14.9 15.90   0.40 2.58%    
7 9-S 17-S 8-S 3-S 1-P 17-S 8-S 3-S FC-S 19.20 19.50 18.6 19.50   0.30 1.56%    
8 9-S 2-S 24-S 3-S         FC-S 9.60 10.00 9.4 10.00   0.40 4.17%    
9 9-S 2-S 17-S SH-S 3-S       FC-S 12.90 12.80 12.8 12.80   -0.10 -0.78%    
                    S.I.     BAMA          
                    2004-2005     slackwater   sw_sf sw_sf    
Course Start               Finish Distance     4/30/06   diff nm diff %    
1 9-S 15-S SH-S           OAK-P 19.50     19.70   0.20 1.03%    
2 9-S 17-P 18-P           OAK-P 13.70     14.00   0.30 2.19%    
                    S.I.     BAMA BAMA        
                    2004-2005     slackwater Harvey sw_sf sw_sf harvey harvey
Course Start               Finish Distance     4/30/06 5/5/06 diff nm diff % diff nm diff %
1 2NAS-S 32-P 33-P 32-P 33-P       2NAS-S 13.90     13.90 14.10 0.00 0.00% 0.20 1.44%
2 2NAS-S 33-S 36-S 33-S 32-P       2NAS-S 10.60     10.70 10.90 0.10 0.94% 0.30 2.83%
3 2NAS-S 33-S 32-S           2NAS-S 7.00     6.97 7.10 -0.03 -0.43% 0.10 1.43%
4 2NAS-S SC-P 32-P 35-P SC-P 35-P SC-P 36-P 2NAS-S 12.90     12.90 13.10 0.00 0.00% 0.20 1.55%
5 2NAS-S SC-P 32-P 35-P SC-P 34-P 36-P   2NAS-S 11.00     11.00 11.00 0.00 0.00% 0.00 0.00%
6 2NAS-S 34-P 32-P 34-P 32-P 35-P     2NAS-S 10.80     10.80 10.90 0.00 0.00% 0.10 0.93%
7 2NAS-S 34-P 32-P 35-P         2NAS-S 6.40     6.25 6.30 -0.15 -2.34% -0.10 -1.56%
8 2NAS-S SC-P 32-P 34-P 35-P SC-P 36-P   2NAS-S 12.20     12.10 12.20 -0.10 -0.82% 0.00 0.00%
                                     
Sanner / Catalina 34 Fleet                            
  2:09 PM 05/03/06 "I took at look at the distances that were off between Krum & slackwater and found my measurements agreed with slackwater(5/2/06)."  (ed: ?Central Bay Courses only?, Krum / IYC distance measurements made prior to Lat/Long set of YRA 9 & FC )        
Harvey / BAMA Fleet                            
  12:05 PM 05/05/06 "South Bay Interclub courses … GPSNavX software, with NOAA Chart no.18650"        
                                     
slackwater_sf / BAMA - Constraints                            
YRA 10.1 For the purpose of RRS 18, 19, 28, the following objects shall be left to shoreward: Anita Rock & any buoy marking same, vertical ’H’ beam off Water Quality Control Plant west of StFYC, bell buoy 7 off the west end of Alcatraz, & Point Blunt buoy off Angel Island.        
                   
Chart 18649   web  http://nauticalcharts.noaa.gov/mcd/Raster/download.htm (04/30/06)        
Map S/W Memory Map Navigator v5.05 build 662 web  http://www.memory-map.com/download_mmnav.htm (04/30/06)        
Mark Lat Long          
OYC 37 47.008 N 122 15.906 W web  http://www.oaklandyachtclub.com/about/location.htm         
Variables                                    
YRA 9 37 50.642 N 122 20.899 W web  http://www.yra.org/images/charts_CentralBay_full.jpg        
FC 37 49.512 N 122 21.747 W Inserted per Sailing Instructions: FC is 0.25 nm N Clipper Cove        
OAK 37 47.105 N 122 15.285 W Mark placed in channel off club