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Finding LCN order

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Saint

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I am trying to find the LCN order of a LTR System and I am using Home Patrol scanner to do this, I have 9 frequencies and I found all of them in the FCC files, I am finding 7 of the 9 LCN slots but I can't seem to find the the LCN for two of the frequencies. Is there a reason why I can not get any hits off two of the frequencies in the system, can they shut off these two frequencies or disable them or is there another reason why I can not get these last two LCN'S
Steve
 

captclint

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I am trying to find the LCN order of a LTR System and I am using Home Patrol scanner to do this, I have 9 frequencies and I found all of them in the FCC files, I am finding 7 of the 9 LCN slots but I can't seem to find the the LCN for two of the frequencies.
Very often, some of the frequencies on the license will either be devoted to conventional, or held in reserve and inactive as the system grows. The other possibility is that the other 2 are strictly "goto" frequencies when the normal home channel is busy. When a particular channel is busy, the LTR controller will send traffic to the active home channels you have already found, and very rarely to the "missing" frequencies. In this case, you need to be monitoring during the day, which are business hours, and keep checking. If they are being used, you will have to be patient waiting for them to show up. I have one system where the same home channel is used as "goto" 90% of the time. This is not typical of the 7 other systems run by the same outfit, so there are so many exceptions you will go nuts,

IF you find conversations cut off, you may have a bigger problem. Often, system operators will use frequencies from another license at another location, or maybe the same location. Check the FCC database for different locations by the same FRN number.

The HP-1 needs to be added to this, but some of the principles will be the same.Mapping an LTR System BTW, do you have the extreme upgrade?
 
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Saint

Member
Premium Subscriber
Joined
Dec 19, 2002
Messages
2,425
Location
Fort Erie Ontario Canada
LCN Order

Very often, some of the frequencies on the license will either be devoted to conventional, or held in reserve and inactive as the system grows. The other possibility is that the other 2 are strictly "goto" frequencies when the normal home channel is busy. When a particular channel is busy, the LTR controller will send traffic to the active home channels you have already found, and very rarely to the "missing" frequencies. In this case, you need to be monitoring during the day, which are business hours, and keep checking. If they are being used, you will have to be patient waiting for them to show up. I have one system where the same home channel is used as "goto" 90% of the time. This is not typical of the 7 other systems run by the same outfit, so there are so many exceptions you will go nuts,

IF you find conversations cut off, you may have a bigger problem. Often, system operators will use frequencies from another license at another location, or maybe the same location. Check the FCC database for different locations by the same FRN number.

The HP-1 needs to be added to this, but some of the principles will be the same.Mapping an LTR System BTW, do you have the extreme upgrade?
Thanks for all the information on the LTR Systems, I will keep this in mind from now on, I just found all the LCN'S in the system the last two frequencies took about another 45 minutes to come up, I will from now on have a little patients when doing this in the future.
Steve
 
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