| LAUNCH DEMO PROGRAM |
| Various Equations that we use. |
| Miles |
| Statute miles |
|
76 |
|
= |
|
| Nautical miles |
|
66 |
|
| DMS into Degrees |
(((S/60)+M)/60)+D |
| Degrees into DMS |
int(deg) = Hours
int(deg)-deg * 60 = Minutes
int(M) * 60 = Sec
|
| Radians into Degrees |
Rad(180/pi) |
| Degrees into Radians |
Deg(pi/180) |
| Radians into BAMs |
Rad * (0H80000000/pi) |
| BAMs into Radians |
Rad * (pi/0H80000000) |
| Distance with Great Circle |
Distance = acos(cos(Lat1-Lat2) - (1-cos(Lon1-Lon2)) * cos(Lat1)*cos(Lat2)) |
| Direction with Great Circle |
Lon1 = -Lon1
Lon2 = -Lon2
if((L1 == L2)&&(Lon1 == Lon2)){
return(0)}
temp = (cos(L1)*cos(L2)*cos(Lon1 - Lon2))+(sin(L1)*sin(L2))
if (temp == 1){
temp = 0}
elsif (temp == -1){
temp = pi/2}
else {
temp = 0 - atan(temp / sqrt(1 - (temp * temp))) + pi / 2}
temp = ((sin(L2) - sin(L1) * cos(temp)) / (sin(temp) * cos(L1)))
if (1 - temp < .00000001){
return(360)}
elsif (1 + temp < .000000001){
return(180)}
else {
temp = rad2d(-atan(temp / sqrt(1 - (temp * temp))) + pi / 2)
if (sin(Lon2 - Lon1) > 0){
temp = 360 - temp}
return(temp)} |
| Notes |
L1 = Original Lat
L2 = Destination Lat
Lon1 = Original Lon
Lon2 = Destination Lon
D = Distance in Nautical Miles
|
