HFU HF Underground
General Category => General Radio Discussion => Topic started by: ChrisSmolinski on February 01, 2009, 0200 UTC
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As President Obama's motorcade rolled down Pennsylvania Avenue on Inauguration Day, federal authorities deployed a closely held law enforcement tool: equipment that can jam cellphones and other wireless devices to foil remote-controlled bombs, sources said...
http://www.washingtonpost.com/wp-dyn/content/article/2009/01/31/AR2009013101548.html (http://www.washingtonpost.com/wp-dyn/content/article/2009/01/31/AR2009013101548.html)
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They've used those up here for political conferences for years. Guess what? They don't work against HAM or CB radio ;D
Peace!
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As President Obama's motorcade rolled down Pennsylvania Avenue on Inauguration Day, federal authorities deployed a closely held law enforcement tool: equipment that can jam cellphones and other wireless devices to foil remote-controlled bombs, sources said...
http://www.washingtonpost.com/wp-dyn/content/article/2009/01/31/AR2009013101548.html (http://www.washingtonpost.com/wp-dyn/content/article/2009/01/31/AR2009013101548.html)
It's not a difficult thing to "OOS" (Out Of Service) in Motorola terminology or 'Block' in Ericsson terminology an MTSO MSC (the or a mobile telephone 'switch') from 'carrying traffic': one little command issued from a terminal connected to the IOG (input/output group), something along the lines of: GSBLI:SPM=xxxxx to block and GSBLE:SPM=xxxx to unblock.
A single or a group of individual cell sites can also be blocked/deblocked for security purposes; this was done in Pakistan on a regular basis when Musharif would fly in/out of the capital ...
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Musharraf was/is a marked man...giving this power to the local fuzz in Amreeka would just be trouble, but Fibbies having it is sorta-maybe OK.