Mixed-Mode Operation on Voice Repeaters
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On Wed, 12 Jan 2005 02:30:22 GMT, Charles Brabham wrote:
http://www.uspacket.org/mixmode.htm Interesting article. Very near the front is a patent inaccuracy: "Probably the most well-known mixed-mode operation occurs in police vehicles, where data is squirted across to the patrol car on voice channels. The data is usually information about a person, a vehicle, or a location and is displayed in a small screen in the cruiser." Please don't tell that to my public safety communications clients who all use separate dedicated channels for voice and data, albeit in the same general frequency range. It will only confuse them.... ggg -- 73 de K2ASP - Phil Kane |
"Phil Kane" wrote in message ganews.com... On Wed, 12 Jan 2005 02:30:22 GMT, Charles Brabham wrote: http://www.uspacket.org/mixmode.htm Interesting article. Very near the front is a patent inaccuracy: "Probably the most well-known mixed-mode operation occurs in police vehicles, where data is squirted across to the patrol car on voice channels. The data is usually information about a person, a vehicle, or a location and is displayed in a small screen in the cruiser." Please don't tell that to my public safety communications clients who all use separate dedicated channels for voice and data, albeit in the same general frequency range. It will only confuse them.... ggg The level of police tech varies quite a bit from place to place. Many places do use the mixed-mode system I described. I didn't characterize it as the latest development or anything like that, as I don't keep up with the latest police tech. So - it is "inaccurate" where you live, but things tend to vary... Most of it's not at all like the old home QTH. Charles, N5PVL |
On Wed, 12 Jan 2005 04:34:42 GMT, Charles Brabham wrote:
Please don't tell that to my public safety communications clients who all use separate dedicated channels for voice and data, albeit in the same general frequency range. It will only confuse them.... ggg The level of police tech varies quite a bit from place to place. Many places do use the mixed-mode system I described. I didn't characterize it as the latest development or anything like that, as I don't keep up with the latest police tech. So - it is "inaccurate" where you live, but things tend to vary... That's very true. Our clients are almost all major city and county law enforcement agencies across the US who barely have enough voice channels capacity for what they need to do, let alone share some of them for mixed-use. -- 73 de K2ASP - Phil Kane |
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