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New GMRS Band Plan

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russbrill

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You don't have to go narrowband or add channels for that to happen. The FCC could go to work tomorrow (well...Monday) and make both of those changes without making ANY other changes. So again, what benefits come from your plan? So far I've heard none.

What??? You'd better think about that a little longer...….
 

bill4long

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Look at the chart, more power and external antennas for GMRS users on channels 1 thru 14...

Meh, GMRS users already have several channels where they can run 50w and external attennas. Your proposal actually steps on FRS users. Would it matter? I don't know, but the current allocation seems to be working just fine, except I would like to see digital. (I suspect Motorola et al have something to do with why the FCC hasn't gone in that direction for GMRS.)
 

russbrill

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I better think about what? You need to narrowband to increase the allowed power and add external antennas to radios?

Uh, yeah, unless you want to listen to all the simplex traffic triggering your repeater off and on... And 1 thru 7 would get bleed over from the Repeater outputs without Narrow Banding...
 

russbrill

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Meh, GMRS users already have several channels where they can run 50w and external attennas. Your proposal actually steps on FRS users. Would it matter? I don't know, but the current allocation seems to be working just fine, except I would like to see digital. (I suspect Motorola et al have something to do with why the FCC hasn't gone in that direction for GMRS.)

Bill I'll put you down for "No Change" :)
 

prcguy

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In the 80s and 90s I owned a multi mountain top UHF repeater business in So Cal and I specialized in low deviation 12.5KHz splinter channels before anyone had ever heard of narrowbanding. My repeaters all had narrow IF filters and I ran reduced deviation to avoid conflicts with the mainline channel users. My 2 watt splinter radios rarely caused a problem 12.5KHz away but over the years I did have to work with a couple of repeater owners either side of me to mitigate interference. In other words, I have a lot of experience with 12.5KHz splinter channels and what works and what doesn't.

Your proposal to run 25 watts on splinter channels is not a good idea as it will more than likely interfere with the mainline repeater inputs. The splinter channels need to stay at low power to avoid interference problems. GMRS users are not known to use top of the line equipment that can actually survive in a narrow band environment without problems. If this silly proposal actually went somewhere, do you want to be known as the guy who F'd up GMRS? Do you really want repeater owners looking for the SOB that helped enact rules that jacked up their repeater inputs?

Uh, uhhhhh, someone please pass the popcorn.


Look at the chart, more power and external antennas for GMRS users on channels 1 thru 14...
 

russbrill

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In the 80s I owned a multi mountain top UHF repeater business in So Cal and I specialized in low deviation 12.5KHz splinter channels before anyone had ever heard of narrowbanding. My repeaters all had narrow IF filters and I ran reduced deviation to avoid conflicts with the mainline channel users. My 2 watt splinter radios rarely caused a problem 12.5KHz away but over the years I did have to work with a couple of repeater owners either side of me to mitigate interference. In other words, I have a lot of experience with 12.5KHz splinter channels and what works and what doesn't.

Your proposal to run 25 watts on splinter channels is not a good idea as it will more than likely interfere with the mainline repeater inputs. The splinter channels need to stay at low power to avoid interference problems. GMRS users are not known to use top of the line equipment that can actually survive in a narrow band environment without problems. If this silly proposal actually went somewhere, do you want to be known as the guy who F'd up GMRS?

Okay, now we're getting somewhere... That's the feedback I needed, so in your Professional Opinion and Experience could the splinter channels capable of more than 5 watts? Say maybe 10 watts?
 

prcguy

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Low power on fixed tiny antennas at 12.5KHz spacing from repeater inputs is not currently causing problems. Change anything to higher power or external antennas and things will start to get ugly. There was probably a lot of thought and effort put into the current regulations to avoid problems to repeater inputs. Where is your staff of engineers and communications attorneys helping you make these recommendations?

Okay, now we're getting somewhere... That's the feedback I needed, so in your Professional Opinion and Experience could the splinter channels capable of more than 5 watts? Say maybe 10 watts?
 

russbrill

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Okay, now we're getting somewhere... That's the feedback I needed, so in your Professional Opinion and Experience could the splinter channels capable of more than 5 watts? Say maybe 10 watts?

I did leave the ones next to the inputs at 5 watts, so are also talking about the splinters next to the outputs???
 

alcahuete

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Okay, now we're getting somewhere... That's the feedback I needed, so in your Professional Opinion and Experience could the splinter channels capable of more than 5 watts? Say maybe 10 watts?

You still haven't made a good argument for needing more channels or narrowbanding. Let's start there before you ask more questions.
 

russbrill

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Low power on fixed tiny antennas at 12.5KHz spacing from repeater inputs is not currently causing problems. Change anything to higher power or external antennas and things will start to get ugly. There was probably a lot of thought put into the current regulations to avoid problems to repeater inputs.

So you recommend 25 KHz input channel spacing at high power levels...
 
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