(string, 3 characters, alphabetic): The CRS code (see above) of
the location for which the request is being made.
filterCrs
(string, 3 characters, alphabetic): The CRS code of either
an origin or destination location to filter in. Optional.
filterType
(string, either "from" or "to"): The type of filter to
apply. Filters services to include only those originating or terminating
at the filterCrs location. Defaults to "to".
numRows
(integer, between 0 and 150 exclusive): The number of
services to return in the resulting station board.
timeOffset
(integer, between -120 and 120 exclusive): An offset in
minutes against the current time to provide the station board for.
Defaults to 0.
timeWindow
(integer, between -120 and 120 exclusive): How far into
the future in minutes, relative to timeOffset, to return services
for. Defaults to 120.