Tue Jan 17 04:33:04 GMT 2023 From /weblog/location

map

An example of showing map data from public source to browser - http://www.infoq.com[..]sualization-of-the-global-seismic-system

Opensource map - https://graphhopper.com/

Absolute location: how the equator, meridians, and our system of positioning work - https://www.zmescience.com[..]ians-and-our-system-of-positioning-work/

(google search) (amazon search)

Sun Aug 07 13:44:49 GMT 2022 From /weblog/location

flight

How flight tracking works - https://www.flightradar24.com/how-it-works https://www.infoq.cn/article/FFiLmLpXsVw81A5O8Pmz

(google search) (amazon search)

Tue Oct 12 05:05:40 GMT 2021 From /weblog/location

navigation

This small, cheap, and extremely accurate gyroscope could revolutionize navigating - https://www.zmescience.com[..]ience/small-accurate-gyroscope-08102021/

(google search) (amazon search)

Tue Aug 17 00:10:29 GMT 2021 From /weblog/location

gps

SpaceX launches new satellite that will make GPS three times more accurate (eventually) - https://www.zmescience.com[..]tellite-three-times-accurate-gps-045235/

How GPS works: the magic of satellites and precise watches - https://www.zmescience.com[..]her/feature-post/how-gps-works-27042021/

(google search) (amazon search)

Mon Jun 08 16:53:05 GMT 2009 From /weblog/location

postal

http://www.columbia.edu/kermit/postal.html

(google search) (amazon search)

Thu Oct 16 17:08:48 GMT 2008 From /weblog/location

online radio

China - http://www.iphone.org.hk[..]bin/ch/topic_show.cgi?id=9282&pg=1#44421
HK - http://www.iphone.org.hk[..]bin/ch/topic_show.cgi?id=9190&pg=1#44125

(google search) (amazon search)

Mon Sep 26 04:25:06 GMT 2005 From /weblog/location

mapbar

A very nice China web base map service

http://service.mapbar.com/localsearch/main.jsp

(google search) (amazon search)