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Old 08-09-2013, 09:53 AM
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Default 70CM simplex? where to find band plan?

been wanting to mess with 70cm a little more when on the trail especially to check if RX/TX performs differently/better in the canyons of the desert.

Two questions:
1. Do we have a Rising Sun 70cm common simplex frequency?
2. Where do I find band plans, (if that's the right term), to determine proper 70cm simplex freq in different locations?
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Old 08-09-2013, 12:01 PM
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Our frequencies are coordinated in Colorado by the Colorado Council of Amateur Radio Clubs (CCARC).

The Colorado 70cm band plan:
http://www.ccarc.net/images/CCARC_FU...50MHz_revd.pdf

To my knowledge we have never discussed common Rising Sun 70cm frequencies. Nationally the simplex calling frequency is 446.000 MHz.

Finding other state's band plans, usually just Google but you can always hit up the ARRL and ask who's responsible for coordinating it. The group the ARRL recognizes as keeping tab on each state's responsible coordination body is the National Frequency Coordinators Council.

http://www.arrl.org/nfcc
http://www.nfcc.us/index.php/nfcc-coordinators

You have to scroll down, their jump to anchor tags are broken.
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Old 08-09-2013, 12:37 PM
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It would be good to figure out at least 1, if not 2, common frequency to declare as RS1 & RS2 for 70cm simplex. I needs to work within both Colorado and Utah's band plans, and not step on a repeater in either state.. that was essentially the effort behind the 4 RS frequencies on 2m. Beyond that I'm not sure what other concerns there would be?

Utah guys- do you have any default 70cm simplex channels you use?
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Old 08-09-2013, 12:51 PM
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There are only four common use 70cm simplex frequencies assigned in Utah.

446.000
446.500
447.800
447.825
447.850

And 447.850 is only used around Salt Lake City and reserved for other uses in the rest of the state. The Utah coordinators have dedicated much of the spectrum often available for simplex to repeater control, repeater linking and other stuff.

Point being there are no overlapping Colorado and Utah FM simplex frequencies in the band plans that I can see other than 446.000 MHz.
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Old 08-09-2013, 12:59 PM
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Colorado's regular 25KHz FM simplex frequencies.

445.7000
445.7250
445.7500
445.7750
445.8000
445.8250
445.8500
445.8750
445.9000
445.9250
445.9500
445.9750
446.0000
446.0250
446.0500
446.0750
446.1000
446.1250
446.1500
446.1750
446.2000
446.2250
446.2500
446.2750

Where Utah has located their simplex are aux outputs (likely repeater linking) or FM repeater outputs for us.
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Old 08-09-2013, 02:58 PM
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Default This is s great discussion .

I agree a couple 70cm common freq's for RS would be a good addition. Thanks Dave for pulling up that freq list. I'm going to start to monitor them for traffic from my shack, and mobile when I get a chance.

Anyone here regularly hang out on 70cm?
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Old 08-09-2013, 02:59 PM
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Figures it wouldn't be that easy, thanks Dave.

Ok I'll monitor 446.000 between 4:30 and 5:30 today, Shawn if you're in the truck give us a shout!
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Old 08-09-2013, 03:02 PM
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I usually ragchew on the RMRL repeater at 449.450.
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Old 08-09-2013, 06:50 PM
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Default Shoot! missed the post

Quote:
Originally Posted by nakman View Post
Figures it wouldn't be that easy, thanks Dave.

Ok I'll monitor 446.000 between 4:30 and 5:30 today, Shawn if you're in the truck give us a shout!
dang. I missed this post. I'll regularly start monitoring that on the way home.

Hey Nak, after the kids all go to bed wanna see if we hit eachother on 2M and 70cm? I think from Lafayette I'll have a better signal than from our place in L'ville. 9ish or later? I need to re-install in the J-pole anyway.
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Old 08-09-2013, 07:08 PM
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I'll try to monitor 446.000 and 146.520 at 2100 tonight. I doubt I'll hear anything simplex but you never know.
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