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GPS SOS routing and delay


 

This isn't strictly JMT-related, but hopefully acceptable anyway.
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I was reading an article about a Death Valley employee who went for a hike,
had some route confusion, ran out of water and had to SOS on his Garmin.
Excerpt below.? My question is, what is the routing of an SOS to explain
why it was 1:40 between pushing the button and the cognizant NPS et al
receiving the message???
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I read another article about the hiking group that found the remains of
Julian Sands on Mt. Baldy.? They hit the SOS button and had a response?
in 8 mins. (which I thought was pretty amazing).
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The DV excerpt:
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"By 4:30 p.m., his water bottle was empty, and “heat and dehydration caught up with
him,” officials said in the news release. That’s when he fainted and fell.
“After an unknown period of time, he woke up bruised and realized it was time to
call for a rescue,” the news release read, noting he used the SOS function on his
Garmin tracking device at around 6 p.m. to get help.
NPS rangers and the Inyo County Sheriff’s Office received the call at 7:40 p.m."

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