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Oakland Finds Interference with P25 Network (8/14/12)
After investigating problems that occurred with its Project 25 (P25) radio system during a presidential visit last month, the city of Oakland, Calif., officials said interference was the culprit. The FCC last week began an enforcement investigation into the issue, the city said in a memorandum.
“The city staff has concluded that numerous instances of officers reporting trouble with their radios were correlated to RF interference received by the P25 radio system,” said the memorandum. “We have conducted an extensive RF investigation that included collecting data from around the city at all times of day.”
The staff is reviewing all the submitted design documents for the P25 system and conducting a detailed single point of failure analysis to ensure all potential causes for failure that exist are immediately addressed.
In addition the city is continuing to fix problems as the problem sources are identified, completing the installation of a backup power generator at a second radio site and reviewing coverage maps to develop additional solutions to enhance coverage. Officials are also presenting a detailed plan to address the recommendations of RCC Consultants’ independent radio system performance evaluation report and will continue to brief the city administrator until all problems are resolved.
The city deployed the P25 system in 2011 with $7.5 million in grant funding and $10.5 million in 800 MHz rebanding funding from Sprint Nextel. President Barack Obama visited Oakland July 23, and several media reports said that many police officers were unable to communicate via their radios with each other or dispatchers during the event.
The memorandum from Oakland Public Safety Systems Advisor David Cruise is available here.
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