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How about an amateur trunked network?
I am interested in converting the 440 repeater
band to trunking. It would allow more folks, not that we are seeing that much use as it is, on the bands plus allow us to have talk groups that would be either linked or local. In many cases, instead of a number of repeater sites in a county, it would be only one with multiple repeaters on a single tower. Unlike cell phones, there is little need for low power thus multiple tower sites. Having to maintain a single site in each county would reduce cost (if we can get hams to work together, sometimes hams are too "libertarian" thus it is even hard to organize them for pizza and beer). European police trunking radio is in the 400 to 500 Mhz region which is far better than the 800 Mhz trunking that is being down here in the US. |
On Sat, 26 Jul 2003 17:20:18 -0500, N9NWO wrote:
I am interested in converting the 440 repeater band to trunking. It would allow more folks, not that we are seeing that much use as it is, on the bands plus allow us to have talk groups that would be either linked or local. In many cases, instead of a number of repeater sites in a county, it would be only one with multiple repeaters on a single tower. Unlike cell phones, there is little need for low power thus multiple tower sites. Having to maintain a single site in each county would reduce cost (if we can get hams to work together, sometimes hams are too "libertarian" thus it is even hard to organize them for pizza and beer). European police trunking radio is in the 400 to 500 Mhz region which is far better than the 800 Mhz trunking that is being down here in the US. I'm familiar with amateur radio, repeaters, etcetera, but what is a "trunked network"? Heard the expression, just don't have the vaguest idea what it is. Bob k5qwg |
On Sat, 26 Jul 2003 17:20:18 -0500, N9NWO wrote:
I am interested in converting the 440 repeater band to trunking. It would allow more folks, not that we are seeing that much use as it is, on the bands plus allow us to have talk groups that would be either linked or local. In many cases, instead of a number of repeater sites in a county, it would be only one with multiple repeaters on a single tower. Unlike cell phones, there is little need for low power thus multiple tower sites. Having to maintain a single site in each county would reduce cost (if we can get hams to work together, sometimes hams are too "libertarian" thus it is even hard to organize them for pizza and beer). European police trunking radio is in the 400 to 500 Mhz region which is far better than the 800 Mhz trunking that is being down here in the US. I'm familiar with amateur radio, repeaters, etcetera, but what is a "trunked network"? Heard the expression, just don't have the vaguest idea what it is. Bob k5qwg |
Get a CB license, Dickweed... On Sat, 26 Jul 2003 17:20:18 -0500, N9NWO wrote: I am interested in converting the 440 repeater band to trunking. It would allow more folks, not that we are seeing that much use as it is, on the bands plus allow us to have talk groups that would be either linked or local. In many cases, instead of a number of repeater sites in a county, it would be only one with multiple repeaters on a single tower. Unlike cell phones, there is little need for low power thus multiple tower sites. Having to maintain a single site in each county would reduce cost (if we can get hams to work together, sometimes hams are too "libertarian" thus it is even hard to organize them for pizza and beer). European police trunking radio is in the 400 to 500 Mhz region which is far better than the 800 Mhz trunking that is being down here in the US. |
Get a CB license, Dickweed... On Sat, 26 Jul 2003 17:20:18 -0500, N9NWO wrote: I am interested in converting the 440 repeater band to trunking. It would allow more folks, not that we are seeing that much use as it is, on the bands plus allow us to have talk groups that would be either linked or local. In many cases, instead of a number of repeater sites in a county, it would be only one with multiple repeaters on a single tower. Unlike cell phones, there is little need for low power thus multiple tower sites. Having to maintain a single site in each county would reduce cost (if we can get hams to work together, sometimes hams are too "libertarian" thus it is even hard to organize them for pizza and beer). European police trunking radio is in the 400 to 500 Mhz region which is far better than the 800 Mhz trunking that is being down here in the US. |
On Sun, 27 Jul 2003 03:44:10 GMT, R. David Steele
wrote: On Sun, 27 Jul 2003 09:55:17 -0500, Bob Miller wrote: |On Sat, 26 Jul 2003 17:20:18 -0500, N9NWO wrote: | |I am interested in converting the 440 repeater |band to trunking. It would allow more folks, |not that we are seeing that much use as it is, |on the bands plus allow us to have talk groups |that would be either linked or local. In many |cases, instead of a number of repeater sites in |a county, it would be only one with multiple |repeaters on a single tower. Unlike cell phones, |there is little need for low power thus multiple |tower sites. Having to maintain a single site |in each county would reduce cost (if we can get |hams to work together, sometimes hams are too |"libertarian" thus it is even hard to organize |them for pizza and beer). | |European police trunking radio is in the 400 to |500 Mhz region which is far better than the 800 |Mhz trunking that is being down here in the US. | |I'm familiar with amateur radio, repeaters, etcetera, but what is a |"trunked network"? Heard the expression, just don't have the vaguest |idea what it is. | |Bob |k5qwg This is a good start http://www.trunkedradio.net/ Basically a trunked network has at each tower site, several repeaters (about 5 but up to 12). Using a digital code, a user group (ie talk group) be assigned a repeater for each push of a mike. Thus the repeaters are constantly shifting but to the users it sounds like they have a private channel. Some trunk systems have over a thousand talk groups (Seattle). It is also possible to like tower sites into a state wide system. For any user, it would sound like he was on his home system. Normally there is only one tower site in a county. I use a Motora Maxxtrak in my business, and we talk on two private channels -- I've been using trunking all this time, and didn't even know it :-) Bob k5qwg |
On Sun, 27 Jul 2003 03:44:10 GMT, R. David Steele
wrote: On Sun, 27 Jul 2003 09:55:17 -0500, Bob Miller wrote: |On Sat, 26 Jul 2003 17:20:18 -0500, N9NWO wrote: | |I am interested in converting the 440 repeater |band to trunking. It would allow more folks, |not that we are seeing that much use as it is, |on the bands plus allow us to have talk groups |that would be either linked or local. In many |cases, instead of a number of repeater sites in |a county, it would be only one with multiple |repeaters on a single tower. Unlike cell phones, |there is little need for low power thus multiple |tower sites. Having to maintain a single site |in each county would reduce cost (if we can get |hams to work together, sometimes hams are too |"libertarian" thus it is even hard to organize |them for pizza and beer). | |European police trunking radio is in the 400 to |500 Mhz region which is far better than the 800 |Mhz trunking that is being down here in the US. | |I'm familiar with amateur radio, repeaters, etcetera, but what is a |"trunked network"? Heard the expression, just don't have the vaguest |idea what it is. | |Bob |k5qwg This is a good start http://www.trunkedradio.net/ Basically a trunked network has at each tower site, several repeaters (about 5 but up to 12). Using a digital code, a user group (ie talk group) be assigned a repeater for each push of a mike. Thus the repeaters are constantly shifting but to the users it sounds like they have a private channel. Some trunk systems have over a thousand talk groups (Seattle). It is also possible to like tower sites into a state wide system. For any user, it would sound like he was on his home system. Normally there is only one tower site in a county. I use a Motora Maxxtrak in my business, and we talk on two private channels -- I've been using trunking all this time, and didn't even know it :-) Bob k5qwg |
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On Sat, 26 Jul 2003 17:20:18 -0500, N9NWO wrote:
I am interested in converting the 440 repeater band to trunking. Well the most economical way today would be LTR trunking. The cost of a motorola or EDACS trunked system for hams as a group and for individuals would be cost prohibitive. Maybe in a few years as cities and states change over to digital systems cheaper second hand trunking equipment will be on the market. -- The Radio Page Ham, Police Scanner, Shortwave and more. http://www.kilowatt-radio.org/ |
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