perl -MJSON::XS -le '$_=`gpspipe -n 5 -w|grep TPV`;$_=decode_json$_;print"$_->{lon} $_->{lat} $_->{alt} $_->{time}"'

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perl -MJSON::XS -e '$_=`gpspipe -n 5 -w|grep TPV`;$_=decode_json$_;print`timezonefinder $_->{lon} $_->{lat}`'

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sudo apt install libopenblas-dev
pip3 install timezonefinder
export PATH=/home/user/.local/bin:$PATH

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perl -MJSON::XS -e 'RE:while(){$_=`gpspipe -n 5 -w|grep TPV`;last if$_;sleep 1}eval{$_=decode_json$_};if($@){sleep 1;goto RE};print`timezonefinder $_->{lon} $_->{lat}`'