|
Examples of TAF Queries:
| Constraint Type |
Parameter(s) |
Allowed value(s) |
Example(s) |
Description |
| Station String |
stationString |
- icaoId using the four-letter specification
- delimited by white spaces and/or commas (,)
|
stationString=KDEN KSEA, PHNL
|
obtain all available TAFs for KDEN, KSEA and PHNL |
| Station String |
stationString |
using partial icaoId name
|
stationString=KSEA KDE
|
obtain TAFs for KSEA and all icaoIds beginning with KDE (i.e. KDEN, KDEH, KDEW, ...etc.) |
| Station String |
stationString |
using partial icaoId name and wildcard (*) |
stationString=KSEA KDE*
|
equivalent to above, obtain TAFs for KSEA and all icaoIds beginning with KDE |
NOTE:The ADDS database retains only three days worth of data.
| Constraint Type |
Parameter(s) |
Allowed Value(s) |
Example(s) |
Description |
| Most Recent |
mostRecent |
- true - get the single most recent TAF, only one result is returned
- the mostRecent constraint MUST be accompanied by a time range in the form of an hoursBeforeNow or startTime/endTime and timeType
- false - don't get the most recent TAF, equivalent
to omitting mostRecent parameter
- query is based on the most recent TAF issueTime within the time range defined by hoursBeforeNow or startTime/endTime
|
hoursBeforeNow=3&
timeType=issue&
mostRecent=true&
stationString=PHNL KSEA
|
Request the most recent of the two icaoId's KSEA and PHNL from three hours ago, based on issue time. Only one TAF is returned, the most
recent of the two from three hours ago.
|
NOTE: The mostRecent constraint is applied after all other constraints have been applied to yield only one TAF.
This single TAF corresponds to the most recent in the result set defined by the other constraints. Only one TAF is returned. This may not be used together with the mostRecentForEachStation constraint. This MUST be accompanied by a time range in the form of an hoursBeforeNow or startTime/endTime.
| Constraint Type |
Parameter(s) |
Allowed Values |
Example(s) |
Description |
MostRecentFor
EachStation |
mostRecentForEachStation |
See the 1.3 Release Notes for details on the different types
- constraint
- request the most recent for each TAF station in the fastest fashion. Not appropriate for historical data retrieval
- postfilter
- post filter results after applying all other constraints
- true
- same as 'postfilter'
employ the postfilter method described above
- false
- don't get the most recent for each TAF station, equivalent to omitting this parameter
|
mostRecentForEachStation
=constraint
&hoursBeforeNow=2
&stationString=KDE |
obtain the most recent TAF for each station that was reported in the past two hours from stations starting with KDE. The 'constraint' type should not be used for historical data retrieval |
MostRecentFor
EachStation |
mostRecentForEachStation |
|
stationString=KORD, PHKO, KSEA, KSFO&
hoursBeforeNow=3&
mostRecentForEachStation
=constraint |
obtain the most recent TAF reported for KORD, PHKO, KSEA and KSFO from the past three hours. The 'constraint' type should not be used for historical data retrieval. Should return four results unless one of these stations has not reported in the last 3 hours |
MostRecentFor
EachStation |
mostRecentForEachStation |
|
startTime=1376340544&
endTime=1376362144 &stationString=KORD, PHKO, KSEA, KSFO&
mostRecentForEachStation
=postfilter |
Use the postfilter method to obtain the TAFS for KORD, PHKO, KSEA and KSFO from the indicated
start and end times. From those results, return only the most recent
for each of these stations. Four results should be returned with each
result corresponding to the most recent for KORD, PHKO, KSEA and KSFO
within the specified time range. |
MostRecentFor
EachStation |
mostRecentForEachStation |
|
startTime=1376340544&
endTime=1376362144 &stationString=KORD, PHKO, KSEA, KSFO&
mostRecentForEachStation
=true |
Same as above, defaulting to the postfilter method. Obtain the TAFS for
KORD, PHKO, KSEA and KSFO from the indicated start and end times.
From those results, return only the most recent for each of these
stations. Four results should be returned, each corresponding to
the most recent for KORD, PHKO, KSEA and KSFO within the specified
time range. |
NOTE:
See the 1.3 Release Notes for additional details on the different types.
This constraint may not be used with the mostRecent
constraint.
| Constraint Type |
Parameter(s) |
Allowed Values |
Example(s) |
Description |
| LonLatRect |
minLat, minLon, maxLat, maxLon |
- longitude and latititude in decimal degrees
- -180<= lon <=180
- -90<= lat <=90
- Please refer to :
latitude and longitude for a refresher on these ranges.
- parameters can be listed in any order
|
minLat=25&minLon=-130&
maxLat=65&maxLon=-40&
hoursBeforeNow=3
|
obtain TAFs collected within the last 3 hours for a rectangular region
(bounding box) defined by the min and max lon and lat |
NOTE:
- The LonLatRect constraint can accomodate situations where the bounding box crosses the
International Date Line
- The LonLatRect constraint does not support bounding boxes that cross the poles.
| Constraint Type |
Parameter(s) |
Allowed Values |
Example(s) |
Description |
| Radial Distance |
radialDistance |
- a radius (statute miles) around a point (longitude and latitude in decimal degrees)
- -180<= lon <=180
- -90<= lat <=90
- 0< radius <=500
- Radius and origin are separated by a semicolon(;)
- Described area may not cross the international dateline or either pole
- Please refer to :
latitude and longitude for a refresher on these ranges.
|
radialDistance=20;-104.65,39.83&
hoursBeforeNow=3
|
obtain TAFs valid within the last 3 hours for all the stations within 20 statute miles of -104.65,39.83 (KDEN) |
| Constraint Type |
Parameter(s) |
Allowed Values |
Example(s) |
Description |
| Flight Path |
flightPath |
- maximum distance in statute miles
- two or more way points
- Way points are indicated by (lon,lat), station names or a combination
of (lon,lat) and station name
- lon, lat are delimited by a comma (,)
- maximum distance MUST precede the way points
- maximium distance and way points are delimited by a semicolon( ;)
- the ordering of way points is significant: always start with origin, end with destination
- time range:
- use start, end times
- use hoursBeforeNow
- default (hoursBeforeNow=1)
|
flightPath=57.5;
-104.65,39.83;
-94.75,39.3
&hoursBeforeNow=3
|
obtain all TAFS collected in the past 3 hours
for the flight path from Denver, CO to Kansas City, MO using
a 57.5 statute mile maximum distance
|
| Flight Path |
flightPath |
|
flightPath=57.5;
KDEN;
-94.75,39.3
&hoursBeforeNow=3
|
obtain all TAFS collected in the past 3 hours
for the flight path from Denver, CO to Kansas City, MO using
a 57.5 statute mile maximum distance and the station name for Denver,
rather than the (lon,lat).
|
| Flight Path |
flightPath |
|
flightPath=57.5;
-104.65,39.83;
-94.75,39.3
|
same as above, except using the default time range of hoursBeforeNow=1 |
| Flight Path |
flightPath |
|
flightPath=57.5;
-104.65,39.83;
-97.5,27.77;
-81.33,28.42
|
A flight path from Denver,Co to Corpus Cristi, Tx to Orlando, Fl using the default
time range and a 57.5 statute mile maximum distance.
|
NOTE:
Flight path results are sorted by distance along the flight path, from origin to destination.
The flight path constraint cannot accomodate the following situations:
- flight paths that cross the poles
- flight paths that cross the International Date Line.
| Constraint Type |
Parameter(s) |
Allowed Values |
Example(s) |
Description |
| Density |
minDegreeDistance |
0 < any value <=90
The degree distance is the distance (based on longitude and latitude)
between stations. The larger the
value of minDegreeDistance, the less dense the results.
Duplicate stations are filtered and the most recent of duplicate
stations is reported. |
flightPath=57.5;
KDEN;
KMCO&
minDegreeDistance=90
|
obtain all TAFs collected in the past 3 hours
for the flight path from Denver, CO to Orlando, FL using
a 57.5 statute mile maximum distance and requesting the lowest
density of results.
|
| Density |
minDegreeDistance |
0 < any value <=90
The degree distance is the distance (based on longitude and latitude)
between stations. The larger the
value of minDegreeDistance, the less dense the results.
Duplicate stations are filtered and the most recent of duplicate
stations is reported. |
flightPath=57.5;
KDEN;
KMCO&
minDegreeDistance=1
|
obtain all TAFs collected in the past 3 hours
for the flight path from Denver, CO to Orlando, FL using
a 57.5 statute mile maximum distance and requesting a high density
of results.
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