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  #21 (permalink)  
Old 05-05-2014, 10:08 PM
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Default Confused with calculating repeater offsets

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Originally Posted by wtp View Post
to read is the arrl repeater directory. i used to carry the pocket edition all the time but now i would like the desktop version.

Why? It is compiled from coordination groups once a year. Really the info is outdated before it is even published.


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  #22 (permalink)  
Old 05-05-2014, 10:32 PM
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Originally Posted by kayn1n32008 View Post
What IS valid is what the local coordinating group gives you for pairs.
Or what you decide to use without a coordination group. While coordination offers benefits, it is not required. Nor are standard offsets required. Your input and output doesn't even have to be in the same band. (I'm speaking of Amateur Radio here.)
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Old 05-06-2014, 5:34 AM
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Many of the Regional Amateur Coordination groups post/share live on-line for FREE

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Originally Posted by kayn1n32008 View Post
Why? It is compiled from coordination groups once a year. Really the info is outdated before it is even published.


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  #24 (permalink)  
Old 05-06-2014, 1:05 PM
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If you have an android phone, there is a great free app called RepeaterBook that you can find here:
https://play.google.com/store/apps/d...aterbook&hl=en
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Old 05-06-2014, 1:39 PM
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Default he said

that he was confused and this is the book i learned about offsets.
i also used to drive a truck and had no internet so books were the source.
i could go between states and at least get an idea as to who was who.
yes books are dated to the printing time but, how much really changes?
i just checked a book from 2002 and it would still be good for my county, just need to reband .
even if 10 percent changes a year it is still 90 percent useful.
it can also tell him where in the band to scan for repeater outputs and not waste time scanning eme,packet,ssb.
offset by band
29Mz 100khz
52Mhz 1mhz
144 Mhz .6mhz
222mhz 1.6 mhz
440mhz 5 mhz
902mhz 12mhz
1240mhz 12mhz

i sure if i am wrong someone will correct me but that list is from the 1993-1994 edition.
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Old 05-06-2014, 1:52 PM
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There are different offsets in the 50-54 and 902-928 MHz bands in some areas.
Amateur Radio - The RadioReference Wiki
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Old 05-06-2014, 9:52 PM
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Default yep

it is time for a new book that old one was the first i could find but it still explains offsets. and if i remember it has the non standard ones listed as well...even if it was a different band.
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Old 05-07-2014, 12:21 AM
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Quote:
Originally Posted by bill4long View Post
Or what you decide to use without a coordination group. While coordination offers benefits, it is not required. Nor are standard offsets required. Your input and output doesn't even have to be in the same band. (I'm speaking of Amateur Radio here.)
Here we go again.

Technically, true. But should there be a dispute between you, your uncoordinated non-standard repeater, and a coordinated repeater, you'll lose the fight in front of the FCC.

Please stop advocating anarchy on the ham bands. We need more new hams to understand the coordination process and voluntary band plans, not less.
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Old 05-07-2014, 12:27 AM
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Quote:
Originally Posted by ramal121 View Post
...For the northern California listings from NARCC, of 663 listed UHF repeaters only two have a minus offset (both from Bakersfield, mmmmm).
Since Southern California operates low in - high out on UHF, radios coordinated near the boundary between coordination groups must be oriented to fit with the other repeaters on the band. Bakersfield area repeaters must get coordination approval from both the Southern California group (SCRRBA) and the Northern California coordinator (NARCC). The end result is that you'll find UHF repeaters shifted both ways in part of the central valley. And they've been coordinated that way for a reason.
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Old 05-07-2014, 8:04 AM
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Quote:
Originally Posted by zz0468 View Post
Technically, true. But should there be a dispute between you, your uncoordinated non-standard repeater, and a coordinated repeater, you'll lose the fight in front of the FCC.
Correct. That's the only official function recognized coordination bodies have. And I do not advocate ignoring them. They do serve a useful purpose.

Quote:
Please stop advocating anarchy on the ham bands. We need more new hams to understand the coordination process and voluntary band plans, not less.
Some repeater coordination bodies have become too big for their britches. They sometimes forget that they are servants not masters. I think it's a good thing that people know the actual regulations and keep the coordinators in their place.
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