On a weather chart, what do you call the lines of pressure around a high or a low?
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Congratulations to Earnest Trummer of NJ who corrected identified the results of doubling the angle on the bow. “When taking a bearing on a fixed object,” he emailed, ” and a second bearing that doubles the degrees after sailing a measured distance, you will know that the fixed object is as far from you as the distance you sailed between bearings.”
