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Nuclear Submarine breaks ice for GPS handshake

by gps4us news 2011-07-18 11:23

CNN Nuclear Submarin breaks ice for GPS signal

GPS satellite signal cannot penetrate solid obstacles, for example GPS L1 L2 data stream cannot break ice crust and get underwater. What a pity for scuba divers, dolphin pet owners and even for nuclear submarines. They have to break three foot thick ice to get GPS satellite signal for latest adjustment of their GPS almanac. There is a short but impressive the CNN video which helped get educated on how this happens in real life. GPS projects history have started with nuclear submarines in need of overcoming their blindness, but decades later the giant steel wales of the seas have to get to the surface for the GPS conversation. During this time the satellite imagery technology became so accurate that they are easily exposed to the topographic maps, topo maps service providers who scan the earth maps real time non stop. For example Google Maps developed by Google (NasdaqGS: GOOG ), easily shows everything including my home building, Playa Del Rey beach, tankers and nuclear submarines which are visible along with the exact coordinates pinpointing their location.

GPS torpedo helps nuclear submarine talk to the GPS satellite constellation

Nuclear submarine can hide under the tanker but then how she can get her GPS coordinates updated? She can steal this information from the tanker, or she has to use one of these Lockheed Martin (NYSE: LMT) or Raytheon (NYSE: RTN ) GPS enabled torpedos programmed to go, this way or other, to the water surface and get reliable GPS constellation satellite handshake. From now on GPS torpedo becomes, for the short time just enough for the communication session, the, so to speak, GPS middle man. The GPS enabled torpedo knows how to communicate with the nuclear submarine over an encrypted ultrasonic sonar-like (or other undisclosed secret) channel of communication and relay the GPS along with other vital information between the Nuclear submarine and the GPS constellation satellites.

Once GPS torpedo is finished its GPS L1 L2 data streams and other communication information intermediate floating GPS torpedo hub services to the nuclear submarine, it gets called back to big steel nuc mama's to hide safely under her wing until the need for the next GPS rendezvous session arises. However, as shown in the aforementioned video, when the nuclear wale is under the more than three feet thick ice it has to break it to get to currently serving GPS constellation satellites. And by the way to be caught on journalist reporter's camera this time;) I would not be surprised if journalists and reporters, to double check and embed the GPS geo-data into their images may be soon using one of these wonderful 25-hour battery life higly reliable, water resistant Garmin (GRMN) eTrex 10, eTrex 20 and eTrex 30 family of GPS handheld navigators. These GPS navigators for outdoor usage are designed to serve in all weather conditions including low temperature areas of the Earth. Garmin top of the line eTrex 30 GPS navigator for outdoors usage

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