Function reference • availability

All functions
`availability`	availability
`calc_distbearing()`	Distance and Bearing
`etopoMask()`	Land Mask
`gshhsMask()` `landmask_init()`	A land mask based on the GSHHS data set
`ptt_data`	Example PTT tracking data
`randomize_track()`	Randomized track
`surrogateAR()`	VAR bridge sampler
`surrogateARModel()` `surrogate_arfit()`	VAR(1) track model
`surrogateCrawl()`	Regressive bridge sampler
`surrogateCrawlModel()`	Crawl Movement Model
`surrogate_arsimulate()` `surrogate_arsimulate0()`	Simulated VAR(1) tracks

Reference