GPS FILE STRUCTURES AND REQUIREMENTS

The DNR GPS program looks for specific fields when loading GPS data from a file. Below are lists of fields associated with each GPS data type. The required fields are in bold. If these fields are not found, you may be prompted to supply the proper field for these values.

Waypoints

Name	Description	Type	Length	Precision
type	WAYPOINT	string	10	0
ident	Identifier	string	24	0
lat	Latitude	number	18	8
long	Longitude	number	18	8
y_proj	Projected Y Coordinate	number	18	8
x_proj	Projected X Coordinate	number	18	8
comment	User Comment	string	254	0
display	Display Options	string	10	0
symbol	Waypoint Symbol	string	10	0
dist	Proximity Distance	number	12	2
proximity	Proximity Index	string	10	0
color	Color	string	10	0
altitude	Altitude	number	12	2
depth	Depth	number	12	2
temp	Temperature	number	12	2
time	Time/Date	string	20	0
wpt_class	Waypoint Class	string	10	0
sub_class	Subclass	string	10	0
attrib	Attributes	string	10	0
link	Link to Additional Info	string	254	0
state	State	string	15	0
country	Country Code	string	15	0
city	City Name	string	15	0
address	Address Number	string	15	0
zip	Zip Code	string	15	0
facility	Facility Code	string	15	0
crossroad	Intersecting Road Label	string	15	0
ete	Estimate Time Enroute	string	10	0
dtype		string	10	0
model	GPS Model	string	20	0
filename	Hotlink Filename	string	254	0
ltime	Local Time	string	20	0
magvar	Magnetic Variation	number	10	2
geoidheight	Height Above WGS84	number	10	2
desc	Text Description	string	254	0
fix	Type of GPX Fix	string	5	0
sat	Number of Satellites	number	5	0
hdop	Horizontal DOP	number	5	2
vdop	Vertical DOP	number	5	2
pdop	Dilution of Precision	number	5	2
ageofdgpsdata	Age (in seconds)	number	10	0
dgpsid	ID of DGPS Station	number	4	0

Tracks

Name	Description	Type	Length	Precision
type	TRACK	string	10	0
ident	Identifier	string	24	0
lat	Latitude	number	18	8
long	Longitude	number	18	8
y_proj	Projected Y Coordinate	number	18	8
x_proj	Projected X Coordinate	number	18	8
comment	User Comment	string	254	0
new_trk	New Track	string	10	0
new_seg	New Track Segment	string	10	0
display	Display on Map?	string	10	0
color	Color	string	10	0
altitude	Altitude	number	12	2
depth	Depth	number	12	2
temp	Temperature	number	12	2
time	UTC Date-Time	string	20	0
model	GPS Model	string	20	0
filename	Hotlink Filename	string	254	0
ltime	Local Time	string	20	0
desc	Text Description	string	254	0
link	Link to Additional Info	string	254	0

Routes

Name	Description	Type	Length	Precision
type	ROUTE	string	10	0
ident	Identifier	string	24	0
lat	Latitude	number	18	8
long	Longitude	number	18	8
y_proj	Projected Y Coordinate	number	18	8
x_proj	Projected X Coordinate	number	18	8
new_seg	New Route Segment	string	10	0
rnumber	Route Number	string	12	0
rident	Route Identifier	string	10	0
rcmnt	Route Comment	string	10	0
rdesc	Route Descrtipion	string	10	0
rlink	Route Link	string	10	0
rtype		string	12	0
comment	User Comment	string	254	0
display	Display Options	string	10	0
symbol	Waypoint Symbol	string	10	0
dist	Proximity Distance	number	12	2
proximity	Proximity Index	string	10	0
color	Color	string	10	0
altitude	Altitude	number	12	2
depth	Depth	number	12	2
temp	Temperature	number	12	2
time	Time/Date	string	20	0
wpt_class	Waypoint Class	string	10	0
sub_class	Subclass	string	10	0
attrib	Attributes	string	10	0
state	State	string	15	0
country	Country Code	string	15	0
city	City Name	string	15	0
address	Address Number	string	15	0
zip	Zip Code	string	15	0
facility	Facility Code	string	15	0
crossroad	Intersecting Road Label	string	15	0
ete	Estimate Time Enroute	string	10	0
dtype		string	10	0
filename	Hotlink Filename	string	254	0
ltime	Local Time	string	20	0
magvar	Magnetic Variation	number	10	2
geoidheight	Height Above WGS84	number	10	2
desc	Text Description	string	254	0
model	GPS Model	string	20	0
fix	Type of GPX Fix	string	5	0
sat	Number of Satellites	number	5	0
hdop	Horizontal DOP	number	5	2
vdop	Vertical DOP	number	5	2
pdop	Dilution of Precision	number	5	2
ageofdgpsdata	Age (in seconds)	number	10	0
dgpsid	ID of DGPS Station	number	4	0

Real Time

Name	Description	Type	Length	Precision
type	ROUTE	string	10	0
ident	Identifier	string	24	0
lat	Latitude	number	18	8
long	Longitude	number	18	8
y_proj	Projected Y Coordinate	number	18	8
x_proj	Projected X Coordinate	number	18	8
comment		string	254	0
altitude	Altitude	number	12	2
epe	Estimated Position Error - 2 sigma	number	10	2
eph	EPE, but horizontal only	number	10	2
epv	EPE, but vertical only	number	10	2
hdop	Horizontal DOP	number	5	2
vdop	Vertical DOP	number	5	2
pdop	Dilution of Precision	number	5	2
speed	Speed Over Ground (knots)	number	10	2
course	Course Over Ground (degrees)	number	10	2
mvar	Magnetic Variation (degrees)	number	10	2
mdir	Magnetic Variation (E/W)	number	10	2
datum	Datum of coordinates	string	20	0
pfix	Type of position fix 0 = Unusable 1 = Invalid 2 = 2D 3 = 3D 4 = 2D_diff 5 = 3D_diff	number	10	0
east	Velocity East	string	10	0
north	Velocity North	string	10	0
up	Velocity Up	number	10	2
depth	Depth Below Transducer	number	12	2
temp	Temperature (Celcius)	number	12	2
time	UTC Time	string	20	0
filename	Hotlink filename	string	255	0
ltime	Local Time	string	20	0