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You are on North and West lat/longs. So add the N and W.
That never changes. 30/90 is centered on a junk yard off the ICW in NOLA East, so based off that you can know where a particular set of lat/longs are located just going off the numbers.
Something obvious like 91 degrees is obviously way further west (V-Bay). Something like 28/88 is way further southeast (Venice offshore).
