Asian Surveying & Mapping
Breaking News
Israel Aerospace Industries Successfully Doubles Venµs Satellite’s Expected Service Life
Venµs changed altitude in space and will carry out...
South Korea launches KASS satellite to augment GPS
South Korea has successfully launched a precision aviation satellite...
China launches new batch of remote sensing satellites
XICHANG, June 23 (Xinhua) -- China successfully launched three...
Kenya launches nationwide airborne geophysical survey
Kenyan President Uhuru Kenyatta Tuesday launched the final report...
South Korea successfully launches home-grown Nuri space rocket
South Korea’s domestically built Nuri rocket successfully placed a...
Isro PSLV-C53 launch announced for June 30
The mission faced multiple initial delays, but was eventually...
Strong progress being made on the UK’s Geospatial Strategy
Annual plan published shows the Geospatial Commission’s progress on...
Israel Deploys Medicine Data-Map Skills to Avert Food Crisis
Even before the first wave of Covid-19 swept through...
Bricsys’ local partner, ACA Pacific, selected by Singapore government as Productivity Solutions Grant (PSG) vendor
The partnership will enable Singaporean companies to access the...
MapmyIndia joins hands with ISRO to boost 3D mapping
Homegrown navigation firm MapmyIndia on Friday said it has...

March 8th, 2011
GPS Chaos: How a $30 Box Can Jam Your Life

GPS works thanks to radio signals from satellites. The dominant provider is still the US military’s NavStar network, with at least 24 satellites operating at any given time, positioned so that you can always see four of them from anywhere on the planet’s surface. The problem is that the GPS signal is very weak. You can’t boost the signal any further because of the limited power supply on a satellite. Read More