A Defence of Purposeful Wandering
Johnnie Walker a long while back made a throwaway comment when he was commenting on his own Search Analogy; I know of Police Services who ban purposeful wandering by their search volunteers. Yes, you read that right. Not insist on it. Ban it! [Read it here if you don't believe he wrote it...] I have [...]
January 13, 2010
· 
Robert Bradley · 
One Comment
Tags: ALSAR, Johnnie Walker, POD, Police, PolSA, Probability of Detection, Purposeful Wandering, Search Controllers Course, Search Techniques, Search Theory, Search Volunteers, UKLSI · Posted in: Search Thoughts
SAR Dictionary
I have decided to start an online SAR dictionary that I will add to every week. Hopefully it will help those looking for more information and/or definitions of various SAR terms. So far I have added; Probability of Area (POA) Probability of Detection (POD) and Probability of Success (POS) More will be added week on week.
January 8, 2010
· Robert Bradley · No Comments
Tags: POA, POD, POS, Probability of Area, Probability of Detection, Probability of Success, SAR Dictionary, SAR Terminology, SAR Terms · Posted in: SAR Dictionary, Search Thoughts
Probability of Detection (POD)
Probability of Detection refers to the likelihood of a search resource finding the object they are searching for if it was in the area they were searching. Thanks to Koester, Cooper, Frost and Robe’s 2004 study we can now safely say that it is impossible to subjectively estimate POD. No more should we hear supposed Search Managers [...]
January 8, 2010
· Robert Bradley · No Comments
Tags: Bob Koester, D Cooper, Jack Frost, Koopman's Exponential Detection Function, POD, Probability of Detection, R Robe, Sweep Width · Posted in: SAR Dictionary
The Use of Mountain Bikes for Search and Rescue
On Friday I posted a news item on the First National Search and Rescue Mountain Bike Instructor Scheme being run by Black Badge. This sparked a debate; on whether it actually was the first but also on the use of mountain bikes for lowland search and rescue. A number of ALSAR Units now run mountain bike [...]
November 15, 2009
· Robert Bradley · 12 Comments
Tags: ALSAR, Bike Search Team, Charnes-Cooper Algorithm, Lowland Search and Rescue, Mountain Bikes, Mounted SAR, National Search and Rescue Mountain Bike Instructor Scheme, POA, POD, POS, Probabililty of Success, Probability of Area, Probability of Detection, Probable Success Rate, PSR, Robert Koester, Route and Path Search, Search Effort, Search Theory, Sweep Width, Sweep Width Experiments, Track Length, Wilsar · Posted in: Search Research, Search Thoughts
