How to Mean a BS-FS-FS-BS Angle Set
Angle Set Report
Occ Pt: 3
HI: 0.000Results
Point 109Point 109
Ang Rt BS H Dist FS H Dist
Avg 94?ø53’30” 258.050 186.317
Hi 94?ø53’32” 258.050 186.317
Low 94?ø53’28” 258.050 186.317
Diff 0?ø00’04” 0.000 0.000Obs Point H Circle Z Angle S Dist H Dist V Dist BS Circle HA Res VA Res SD Res HD Res VD Res HR Prism Type PC
BSD 1 0?ø00’00” 89?ø58’11” 258.050 258.050 0.136 0?ø00’00” 0?ø00’00” -0?ø00’03” 0.000 0.000 0.000 0.000 Prism -30 Offset
FSD 109 94?ø53’28” 90?ø40’31” 186.330 186.317 -2.196 0?ø00’00” 0?ø00’02” 0?ø00’01” 0.000 0.000 0.000 0.000 Prism -30 Offset
FSR 109 274?ø53’33” 269?ø19’27” 186.330 186.317 -2.198 0?ø00’00” -0?ø00’02” -0?ø00’01” 0.000 0.000 0.000 0.000 Prism -30 Offset
BSR 1 180?ø00’01” 270?ø01’55” 258.050 258.050 0.144 0?ø00’00” 0?ø00’00” 0?ø00’03” 0.000 0.000 0.000 0.000 Prism -30 OffsetThe above is part of a MAGNET Field report. The original format has been corrupted. I’m embarrassed to say that I forgot how to mean a BS-FS-FS-BS angle set. I remember how to check the set to see if it meets our <= 5″ requirement. I take the difference between BSD 1 and BSR 1, which is 1″. Then I take the difference between FSD and FSR, which is 5″. Finally, I add 1″ and 5″, which is 6″, divided by 2 equals 3″, which is <= 5″.
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