How do I discern Maidenhead Locator from GPS lat long info.

[richard]

ndays VAR BYTE [13] 'create an array with 12 byte location for months values
nday[0] = 0
nday[1] = 31
ndays[2] = 28
ndays[3] = 31
......
ndays[11] = 30
ndays[12] = 31

ps its easier to arraywrite ndays,[0,31,28....]


reason , when you get the month from the nmea sentence you will store the month as a number from 1 to 12
for the sake of one byte why add the complication of needing to calculate an offset into the lookup table ?

num_days_this_mth = ndays[month] where month = 1 to 12

January VAR ndays[0]
February VAR ndays[1]
March VAR ndays[2]
April VAR ndays[3]
May VAR ndays[4]
June VAR ndays[5]
July VAR ndays[6]
August VAR ndays[7]
September VAR ndays[8]
October VAR ndays[9]
November VAR ndays[10]
December VAR ndays[11]

all of these aliases are just a pointless typing exercise ,unless you have something else in mind for them