The following GNSS Data was used to calculate the Curvature App locations of the Targets, see Create Computer Model Data (Rainy Lake Experiment: WGS84 Calculator).

0,-243772.154,-4217822.457,4762585.891,Origin: Bedford Observation Water Level 1001 (Elev = 336.879)
109,-237617.819,-4216590.534,4763977.946,Reference: WATER SURFACE AT 4.0 MILE TARGET (Elev = 336.865)
111,-243797.116,-4217831.023,4762582.301,AUTO LEVEL CROSS HAIR (Elev = 340.791)
400,-243797.186,-4217827.445,4762585.444,OBSERVATION Tangent Line Test (154.0 inch)
1001,-243772.225,-4217823.680,4762587.282,"George's GPS bedford view location (73" to crosshair) (Elev = 338.733)"
3,-242723.901,-4217613.827,4762822.640,ICE SURFACE AT 0.7 MILE TARGET (Elev = 336.943)
4,-241695.887,-4217408.524,4763055.136,ICE SURFACE AT 1.36 MILE TARGET (Elev = 336.965)
5,-240677.282,-4217201.021,4763288.835,ICE SURFACE AT 2.0 MILE TARGET (Elev = 336.973)
6,-239595.117,-4216984.737,4763533.204,ICE AT 2.72 MILE SEWER PIPE NEAR FRANSEN ISLAND (Elev = 336.99)
8,-238571.282,-4216779.774,4763764.367,ICE SURFACE AT 3.4 MILE TAGET (Elev = 336.942)
9,-237617.821,-4216590.571,4763977.989,ICE SURFACE AT 4.0 MILE TARGET (Elev = 336.923)
14,-234755.644,-4215996.402,4764641.133,ICE SURFACE AT 5.89 MILE TARGET (Elev = 336.93)
103,-242723.899,-4217613.785,4762822.592,WATER SURFACE AT 0.7 MILE TARGET (Elev = 336.879)
104,-241695.885,-4217408.495,4763055.102,WATER SURFACE AT 1.36 MILE TARGET (Elev = 336.92)
105,-240677.280,-4217200.992,4763288.802,WATER SURFACE AT 2.0 MILE TARGET (Elev = 336.929)
106,-239595.115,-4216984.712,4763533.176,WATER SURFACE AT 2.72 MILE TARGET (Elev = 336.952)
108,-238571.280,-4216779.753,4763764.343,WATER SURFACE AT 3.4 MILE TARGET (Elev = 336.91)
109,-237617.819,-4216590.534,4763977.946,WATER SURFACE AT 4.0 MILE TARGET (Elev = 336.865)
114,-234755.643,-4215996.377,4764641.104,WATER SURFACE AT 5.89 MILE TARGET (Elev = 336.892)
116,-234717.421,-4216007.135,4764633.518,WATER SURFACE AT 5.89 MILE TARGET (Elev = 336.891)
203,-242723.969,-4217615.000,4762823.974,0.7 MILE BEDFORD TARGET (Elev = 338.721)
204,-241695.956,-4217409.719,4763056.494,1.36 MILE BEDFORD TARGET (Elev = 338.774)
205,-240677.350,-4217202.209,4763290.186,2.0 MILE BEDFORD TARGET (Elev = 338.773)
206,-239595.185,-4216985.942,4763534.574,2.72 MILE BEDFORD TARGET (Elev = 338.816)
208,-238571.349,-4216780.968,4763765.725,3.4 MILE BEDFORD TARGET (Elev = 338.751)
209,-237617.888,-4216591.757,4763979.338,4.0 MILE BEDFORD TARGET (Elev = 338.72)
309,-237618.075,-4216595.071,4763983.107,4.0 TANGENT TARGET (Elev = 343.743)
304,-241696.047,-4217411.319,4763058.314,1.36 MILE TANGENT TARGET (Elev = 341.2)
306,-239595.309,-4216988.118,4763537.050,2.72 MILE TANGENT TARGET (Elev = 342.115)
309,-237618.075,-4216595.071,4763983.107,4.0 TANGENT TARGET (Elev = 343.743)
16,-234717.817,-4216014.242,4764641.605,5.89 MILE TARGET CENTER (Elev = 347.665)
405,-234718.218,-4216013.208,4764642.493,Target on Home Island 5.8825 mile (height 10.773 m)